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the table below.
GLOSSARY OF ALL GEOTECHNICAL TERMS A more or less rounded block or fragment of rock and of average dimension 300 mm or greater. Usually boulders are rounded by being carried or rolled along by water or ice; sometimes also by weathering in place in which case they ae known as boulders of weathering, disintegration or exploration. DETERMINATION OF TOTAL CALCIUM OXIDE IN LIME (IS: 1514 Test to Check Total Calcium Oxide in Lime Purpose The lime should have a purity of at least 70% by weight of CaO when tested as follows: Procedure Take one gram of powdered lime, accurately weighed, in a platinum crucible. Place it in an oven maintained at 15 FACTORS CONTROLLING SELECTION OF ROAD Factors controlling selection of road alignment. The factors which control alignment of roads in plain areas as under: 1. Class & Purpose. The alignment of the road may be decided keeping in mind the class and purpose of the road. National and state highways between two stations should be aligned as straight as possible whereas in the caseof
HYDROMETER ANALYSIS OF SOIL DETERMINATION OF FIELD DENSITY OF SOIL BY SAND …SEE MORE ONCIVILBLOG.ORG
HOW TO STORE COMMON CONSTRUCTION MATERIALS ON SITE Storing of Cement on Site – Guidelines. Store cement in a building which is dry, leak proof and as moisture proof as possible. There should be minimum number of windows in the storage building. Stack the cement bags off the floor on wooden planks in such a way, so that it is about 150 mm to 200 mm above the floor. HOW TO CALCULATE CBR VALUE USING DCPT RESULT ON SITE DCPT (Dynamic Cone Penetration Test) Dynamic cone penetration test or DCPT is a quick, simple and low cost test which is extensively used by many agencies around the globe to measure the strength of compacted material of unbound granular and sub grade layers with reasonable accuracy. Now a days DCPT is commonly used during construction 7 MUST HAVE PROPERTIES OF ASPHALT CONCRETE WHAT IS THE IMPORTANCE OF AGGREGATE GRADATION IN … Importance in terms of Workability. A workable concrete can be achieved by adding more water, but as we know the more water present in concrete the poor strength it gives. The most efficient way to achieve workable of concrete is by adopting a good gradation of aggregate. Also aggregate comprises 85% of the volume of concrete. WHAT ARE THE VALUES OF MODULUS OF ELASTICITY & … Poisson’s Ratio of Rock. Poisson’s ratio measures the ratio of lateral strain to axial strain at linearly elastic region. For most rocks, the value of Poisson’s ratio ranges in between 0.15 to 0.40. Typical values of modulus of elasticity of some common are given inthe table below.
GLOSSARY OF ALL GEOTECHNICAL TERMS A more or less rounded block or fragment of rock and of average dimension 300 mm or greater. Usually boulders are rounded by being carried or rolled along by water or ice; sometimes also by weathering in place in which case they ae known as boulders of weathering, disintegration or exploration. DETERMINATION OF TOTAL CALCIUM OXIDE IN LIME (IS: 1514 Test to Check Total Calcium Oxide in Lime Purpose The lime should have a purity of at least 70% by weight of CaO when tested as follows: Procedure Take one gram of powdered lime, accurately weighed, in a platinum crucible. Place it in an oven maintained at 15 FACTORS CONTROLLING SELECTION OF ROAD Factors controlling selection of road alignment. The factors which control alignment of roads in plain areas as under: 1. Class & Purpose. The alignment of the road may be decided keeping in mind the class and purpose of the road. National and state highways between two stations should be aligned as straight as possible whereas in the caseof
HYDROMETER ANALYSIS OF SOIL DETERMINATION OF FIELD DENSITY OF SOIL BY SAND …SEE MORE ONCIVILBLOG.ORG
HOW TO STORE COMMON CONSTRUCTION MATERIALS ON … Storing of Cement on Site – Guidelines. Store cement in a building which is dry, leak proof and as moisture proof as possible. There should be minimum number of windows in the storage building. Stack the cement bags off the floor on wooden planks in such a way, so that it is about 150 mm to 200 mm above the floor. 2 TEST METHODS TO MEASURE DENSITY OF SOIL ON SITE Method-1 Fig-1 Core cutter test of soil. This is a simple and direct method for determining the field density. The apparatus consists of a cutter, dolly and rammer ( Fig-1 ). The cutter weight and dimensions must be noted prior to the test. The cutter with the collar fitted on top is driven down by a weight falling on a WHAT ARE THE FUNCTIONS OF FOUNDATION? What is Foundation? Foundation is the lower portion of the building usually located below ground level, which transmits the loads of the super structure to the supporting soil. A foundation is therefore that part of the structure which is in direct contact with the ground to which loads are transmitted. Functions of Foundation 1. Reduction MOISTURE CONTENT & DRY DENSITY RELATIONSHIP OF SOIL Moisture content – Dry Density Relationship. At a given input of compaction energy there exists a relationship between moisture content or water content and dry density, which is of the form shown in Fig-1.. On the dry side, the added water creates a coating of a thin film of water on the surface of the particles imparting a lubricating effect on them which enables them to move closer to DETERMINATION OF FIELD DENSITY OF SOIL BY SAND … Aim To determine the field density of soil at a given location by sand replacement method Reference IS-2720-Part-28-Determination of dry density of soils in place, by the sand replacement method Apparatus Sand pouring cylinder Calibrating can Metal tray with a central hole Dry sand (passing through 600 micron sieve) Balance Moisture contentbins Glass plate
DETERMINATION OF RODDED UNIT WEIGHT OF COARSE AGGREGATE Rodded Unit Weight of Coarse Aggregate Purpose Determination of the unit weight of coarse aggregates in a compacted condition. This test method is applicable to aggregates not exceeding 15 cm (6 inches) in nominal size. The unit weight so determined is necessary for the design of a concrete mixture by the absolute value method. Equipment WHAT CONDITIONS REQUIRE USE OF PILE Piles are structural members that are made of steel, concrete, or timber. They are used to build pile foundations, which are deep and which cost more than shallow foundations. Despite the cost, the use of piles often is necessary to ensure structural safety. The following list identifies some of the conditions that require pile foundations: 6 SPECIAL MATERIALS USED IN CONCRETE Special Materials in Concrete Industry 1. Ferrocement. Ferrocement is a type of reinforced concrete composed of concrete with small aggregate (or coarse cement mortar), 12 to 30 mm thick, reinforced with a minimum of two layers of small diameter, orthogonally woven wire mesh separated by 3 to 6 mm diameter galvanized spacer wires orweld mesh.
POINT LOAD STRENGTH INDEX TEST OF ROCK (IS-8764 Calculation. Point load strength index ( Is) = (P*1000)/D2 Mpa. Where P is breaking load in kN. D is the distance between platens in mm. Corresponding point load strength index for the standard core size of 50 mm ( Is50) diameter is given by the following equation. Is50 = (P*1000)/ (D1.5√50) MPa. Uniaxial compressive strength of rock maybe
LIQUID LIMIT OF SOIL Liquid limit of soil is a very important property of fine grained soil (or cohesive soil) Value of liquid limit is used to classify fine grained soil. It gives us information regarding the state of consistency of soil on site. Liquid limit of soil can be used to predict the consolidation properties of soil while calculatingallowable bearing
HOW TO STORE COMMON CONSTRUCTION MATERIALS ON SITE Storing of Cement on Site – Guidelines. Store cement in a building which is dry, leak proof and as moisture proof as possible. There should be minimum number of windows in the storage building. Stack the cement bags off the floor on wooden planks in such a way, so that it is about 150 mm to 200 mm above the floor. HOW TO CALCULATE CBR VALUE USING DCPT RESULT ON SITE DCPT (Dynamic Cone Penetration Test) Dynamic cone penetration test or DCPT is a quick, simple and low cost test which is extensively used by many agencies around the globe to measure the strength of compacted material of unbound granular and sub grade layers with reasonable accuracy. Now a days DCPT is commonly used during construction 7 MUST HAVE PROPERTIES OF ASPHALT CONCRETE WHAT IS THE IMPORTANCE OF AGGREGATE GRADATION IN … Importance in terms of Workability. A workable concrete can be achieved by adding more water, but as we know the more water present in concrete the poor strength it gives. The most efficient way to achieve workable of concrete is by adopting a good gradation of aggregate. Also aggregate comprises 85% of the volume of concrete. WHAT ARE THE VALUES OF MODULUS OF ELASTICITY & … Poisson’s Ratio of Rock. Poisson’s ratio measures the ratio of lateral strain to axial strain at linearly elastic region. For most rocks, the value of Poisson’s ratio ranges in between 0.15 to 0.40. Typical values of modulus of elasticity of some common are given inthe table below.
GLOSSARY OF ALL GEOTECHNICAL TERMS A more or less rounded block or fragment of rock and of average dimension 300 mm or greater. Usually boulders are rounded by being carried or rolled along by water or ice; sometimes also by weathering in place in which case they ae known as boulders of weathering, disintegration or exploration. DETERMINATION OF TOTAL CALCIUM OXIDE IN LIME (IS: 1514 Test to Check Total Calcium Oxide in Lime Purpose The lime should have a purity of at least 70% by weight of CaO when tested as follows: Procedure Take one gram of powdered lime, accurately weighed, in a platinum crucible. Place it in an oven maintained at 15 FACTORS CONTROLLING SELECTION OF ROAD Factors controlling selection of road alignment. The factors which control alignment of roads in plain areas as under: 1. Class & Purpose. The alignment of the road may be decided keeping in mind the class and purpose of the road. National and state highways between two stations should be aligned as straight as possible whereas in the caseof
HYDROMETER ANALYSIS OF SOIL DETERMINATION OF FIELD DENSITY OF SOIL BY SAND …SEE MORE ONCIVILBLOG.ORG
HOW TO STORE COMMON CONSTRUCTION MATERIALS ON SITE Storing of Cement on Site – Guidelines. Store cement in a building which is dry, leak proof and as moisture proof as possible. There should be minimum number of windows in the storage building. Stack the cement bags off the floor on wooden planks in such a way, so that it is about 150 mm to 200 mm above the floor. HOW TO CALCULATE CBR VALUE USING DCPT RESULT ON SITE DCPT (Dynamic Cone Penetration Test) Dynamic cone penetration test or DCPT is a quick, simple and low cost test which is extensively used by many agencies around the globe to measure the strength of compacted material of unbound granular and sub grade layers with reasonable accuracy. Now a days DCPT is commonly used during construction 7 MUST HAVE PROPERTIES OF ASPHALT CONCRETE WHAT IS THE IMPORTANCE OF AGGREGATE GRADATION IN … Importance in terms of Workability. A workable concrete can be achieved by adding more water, but as we know the more water present in concrete the poor strength it gives. The most efficient way to achieve workable of concrete is by adopting a good gradation of aggregate. Also aggregate comprises 85% of the volume of concrete. WHAT ARE THE VALUES OF MODULUS OF ELASTICITY & … Poisson’s Ratio of Rock. Poisson’s ratio measures the ratio of lateral strain to axial strain at linearly elastic region. For most rocks, the value of Poisson’s ratio ranges in between 0.15 to 0.40. Typical values of modulus of elasticity of some common are given inthe table below.
GLOSSARY OF ALL GEOTECHNICAL TERMS A more or less rounded block or fragment of rock and of average dimension 300 mm or greater. Usually boulders are rounded by being carried or rolled along by water or ice; sometimes also by weathering in place in which case they ae known as boulders of weathering, disintegration or exploration. DETERMINATION OF TOTAL CALCIUM OXIDE IN LIME (IS: 1514 Test to Check Total Calcium Oxide in Lime Purpose The lime should have a purity of at least 70% by weight of CaO when tested as follows: Procedure Take one gram of powdered lime, accurately weighed, in a platinum crucible. Place it in an oven maintained at 15 FACTORS CONTROLLING SELECTION OF ROAD Factors controlling selection of road alignment. The factors which control alignment of roads in plain areas as under: 1. Class & Purpose. The alignment of the road may be decided keeping in mind the class and purpose of the road. National and state highways between two stations should be aligned as straight as possible whereas in the caseof
HYDROMETER ANALYSIS OF SOIL DETERMINATION OF FIELD DENSITY OF SOIL BY SAND …SEE MORE ONCIVILBLOG.ORG
HOW TO STORE COMMON CONSTRUCTION MATERIALS ON … Storing of Cement on Site – Guidelines. Store cement in a building which is dry, leak proof and as moisture proof as possible. There should be minimum number of windows in the storage building. Stack the cement bags off the floor on wooden planks in such a way, so that it is about 150 mm to 200 mm above the floor. 2 TEST METHODS TO MEASURE DENSITY OF SOIL ON SITE Method-1 Fig-1 Core cutter test of soil. This is a simple and direct method for determining the field density. The apparatus consists of a cutter, dolly and rammer ( Fig-1 ). The cutter weight and dimensions must be noted prior to the test. The cutter with the collar fitted on top is driven down by a weight falling on a WHAT ARE THE FUNCTIONS OF FOUNDATION? What is Foundation? Foundation is the lower portion of the building usually located below ground level, which transmits the loads of the super structure to the supporting soil. A foundation is therefore that part of the structure which is in direct contact with the ground to which loads are transmitted. Functions of Foundation 1. Reduction MOISTURE CONTENT & DRY DENSITY RELATIONSHIP OF SOIL Moisture content – Dry Density Relationship. At a given input of compaction energy there exists a relationship between moisture content or water content and dry density, which is of the form shown in Fig-1.. On the dry side, the added water creates a coating of a thin film of water on the surface of the particles imparting a lubricating effect on them which enables them to move closer to DETERMINATION OF FIELD DENSITY OF SOIL BY SAND … Aim To determine the field density of soil at a given location by sand replacement method Reference IS-2720-Part-28-Determination of dry density of soils in place, by the sand replacement method Apparatus Sand pouring cylinder Calibrating can Metal tray with a central hole Dry sand (passing through 600 micron sieve) Balance Moisture contentbins Glass plate
DETERMINATION OF RODDED UNIT WEIGHT OF COARSE AGGREGATE Rodded Unit Weight of Coarse Aggregate Purpose Determination of the unit weight of coarse aggregates in a compacted condition. This test method is applicable to aggregates not exceeding 15 cm (6 inches) in nominal size. The unit weight so determined is necessary for the design of a concrete mixture by the absolute value method. Equipment WHAT CONDITIONS REQUIRE USE OF PILE Piles are structural members that are made of steel, concrete, or timber. They are used to build pile foundations, which are deep and which cost more than shallow foundations. Despite the cost, the use of piles often is necessary to ensure structural safety. The following list identifies some of the conditions that require pile foundations: 6 SPECIAL MATERIALS USED IN CONCRETE Special Materials in Concrete Industry 1. Ferrocement. Ferrocement is a type of reinforced concrete composed of concrete with small aggregate (or coarse cement mortar), 12 to 30 mm thick, reinforced with a minimum of two layers of small diameter, orthogonally woven wire mesh separated by 3 to 6 mm diameter galvanized spacer wires orweld mesh.
POINT LOAD STRENGTH INDEX TEST OF ROCK (IS-8764 Calculation. Point load strength index ( Is) = (P*1000)/D2 Mpa. Where P is breaking load in kN. D is the distance between platens in mm. Corresponding point load strength index for the standard core size of 50 mm ( Is50) diameter is given by the following equation. Is50 = (P*1000)/ (D1.5√50) MPa. Uniaxial compressive strength of rock maybe
LIQUID LIMIT OF SOIL Liquid limit of soil is a very important property of fine grained soil (or cohesive soil) Value of liquid limit is used to classify fine grained soil. It gives us information regarding the state of consistency of soil on site. Liquid limit of soil can be used to predict the consolidation properties of soil while calculatingallowable bearing
HOW TO STORE COMMON CONSTRUCTION MATERIALS ON SITE Storing of Cement on Site – Guidelines. Store cement in a building which is dry, leak proof and as moisture proof as possible. There should be minimum number of windows in the storage building. Stack the cement bags off the floor on wooden planks in such a way, so that it is about 150 mm to 200 mm above the floor. HOW TO CALCULATE CBR VALUE USING DCPT RESULT ON SITE DCPT (Dynamic Cone Penetration Test) Dynamic cone penetration test or DCPT is a quick, simple and low cost test which is extensively used by many agencies around the globe to measure the strength of compacted material of unbound granular and sub grade layers with reasonable accuracy. Now a days DCPT is commonly used during construction HOW TO STORE STEEL ON SITE? Steels should be stored in such a way, so as to avoid distortion and to prevent deterioration and corrosion. Steels of different classes should be stored separately. Follow the guidelines given below while storing steel on site. Storing of Steel Reinforcement Store bars of different classes, sizes and lengths separately to facilitate issuesin such
HOW TO PLACE CONCRETE ON SITE? This means, in practice, concrete should be placed in uniform layers ranging from 250 to 400 mm, depending on the vibrator used. To ensure each layer is properly melded together, the vibrator should penetrate about 150 mm into the lower layer ( Fig-3). The effective depth of compaction of vibrating beam screeds depends on the beam weight, the HOW TO CALCULATE STRESS DISTRIBUTION OF SOIL? 2:1 … The increase in vertical pressure Dsz in units of tsf at depth z for an applied load Q is given by. Dsz = Q / Where, B and L are the width and length of the foundation in feet, respectively. Dsz is the increase in the vertical pressure caused by the construction. Vertical stresses calculated by above equation agree HOW TO MIX CONCRETE MANUALLY ON SITE? Step-2 Spread out the measured quantity of sand uniformly on the mixing platform. Dump the cement on the sand and distribute it uniformly. Mix the sand and cement with the shovels, turning the mixture over and over again until it is uniform in colour.Step-3
EFFLORESCENCE ON PLASTER SURFACE What is Efflorescence on Plaster Surface? Efflorescence is one type of defect found on plaster surface. Efflorescence is the whitish crystalline substance which appears on the surface of walls due to presence of soluble salts, such as suphates of sodium, calcium and magnesium. Why Efflorescence Happens on Plaster Surface? Presence ofsalts in the lime,
33 MUST HAVE CHECKS FOR MAINTENANCE OF BATCHING … Maintenance of Ready-Mixed Concrete Batching Plant For an effective production & delivery of concrete, all plant & equipment should be maintained in a clean and efficient working condition. To achieve this, checklists are used by the batching plant personnel. These checklists include daily checks, weekly checks, monthly checks and quarterly checks. Checklists must be prepared WHAT IS THE IMPORTANCE OF AGGREGATE GRADATION IN … Importance in terms of Workability. A workable concrete can be achieved by adding more water, but as we know the more water present in concrete the poor strength it gives. The most efficient way to achieve workable of concrete is by adopting a good gradation of aggregate. Also aggregate comprises 85% of the volume of concrete. WHAT ARE THE VALUES OF MODULUS OF ELASTICITY & … Poisson’s Ratio of Rock. Poisson’s ratio measures the ratio of lateral strain to axial strain at linearly elastic region. For most rocks, the value of Poisson’s ratio ranges in between 0.15 to 0.40. Typical values of modulus of elasticity of some common are given inthe table below.
HOW TO STORE COMMON CONSTRUCTION MATERIALS ON SITE Storing of Cement on Site – Guidelines. Store cement in a building which is dry, leak proof and as moisture proof as possible. There should be minimum number of windows in the storage building. Stack the cement bags off the floor on wooden planks in such a way, so that it is about 150 mm to 200 mm above the floor. HOW TO CALCULATE CBR VALUE USING DCPT RESULT ON SITE DCPT (Dynamic Cone Penetration Test) Dynamic cone penetration test or DCPT is a quick, simple and low cost test which is extensively used by many agencies around the globe to measure the strength of compacted material of unbound granular and sub grade layers with reasonable accuracy. Now a days DCPT is commonly used during construction HOW TO STORE STEEL ON SITE? Steels should be stored in such a way, so as to avoid distortion and to prevent deterioration and corrosion. Steels of different classes should be stored separately. Follow the guidelines given below while storing steel on site. Storing of Steel Reinforcement Store bars of different classes, sizes and lengths separately to facilitate issuesin such
HOW TO PLACE CONCRETE ON SITE? This means, in practice, concrete should be placed in uniform layers ranging from 250 to 400 mm, depending on the vibrator used. To ensure each layer is properly melded together, the vibrator should penetrate about 150 mm into the lower layer ( Fig-3). The effective depth of compaction of vibrating beam screeds depends on the beam weight, the HOW TO CALCULATE STRESS DISTRIBUTION OF SOIL? 2:1 … The increase in vertical pressure Dsz in units of tsf at depth z for an applied load Q is given by. Dsz = Q / Where, B and L are the width and length of the foundation in feet, respectively. Dsz is the increase in the vertical pressure caused by the construction. Vertical stresses calculated by above equation agree HOW TO MIX CONCRETE MANUALLY ON SITE? Step-2 Spread out the measured quantity of sand uniformly on the mixing platform. Dump the cement on the sand and distribute it uniformly. Mix the sand and cement with the shovels, turning the mixture over and over again until it is uniform in colour.Step-3
EFFLORESCENCE ON PLASTER SURFACE What is Efflorescence on Plaster Surface? Efflorescence is one type of defect found on plaster surface. Efflorescence is the whitish crystalline substance which appears on the surface of walls due to presence of soluble salts, such as suphates of sodium, calcium and magnesium. Why Efflorescence Happens on Plaster Surface? Presence ofsalts in the lime,
33 MUST HAVE CHECKS FOR MAINTENANCE OF BATCHING … Maintenance of Ready-Mixed Concrete Batching Plant For an effective production & delivery of concrete, all plant & equipment should be maintained in a clean and efficient working condition. To achieve this, checklists are used by the batching plant personnel. These checklists include daily checks, weekly checks, monthly checks and quarterly checks. Checklists must be prepared WHAT IS THE IMPORTANCE OF AGGREGATE GRADATION IN … Importance in terms of Workability. A workable concrete can be achieved by adding more water, but as we know the more water present in concrete the poor strength it gives. The most efficient way to achieve workable of concrete is by adopting a good gradation of aggregate. Also aggregate comprises 85% of the volume of concrete. WHAT ARE THE VALUES OF MODULUS OF ELASTICITY & … Poisson’s Ratio of Rock. Poisson’s ratio measures the ratio of lateral strain to axial strain at linearly elastic region. For most rocks, the value of Poisson’s ratio ranges in between 0.15 to 0.40. Typical values of modulus of elasticity of some common are given inthe table below.
HOW TO STORE COMMON CONSTRUCTION MATERIALS ON … Storing of Cement on Site – Guidelines. Store cement in a building which is dry, leak proof and as moisture proof as possible. There should be minimum number of windows in the storage building. Stack the cement bags off the floor on wooden planks in such a way, so that it is about 150 mm to 200 mm above the floor. 2 TEST METHODS TO MEASURE DENSITY OF SOIL ON SITE Method-1 Fig-1 Core cutter test of soil. This is a simple and direct method for determining the field density. The apparatus consists of a cutter, dolly and rammer ( Fig-1 ). The cutter weight and dimensions must be noted prior to the test. The cutter with the collar fitted on top is driven down by a weight falling on a HOW TO STORE STEEL ON SITE? Steels should be stored in such a way, so as to avoid distortion and to prevent deterioration and corrosion. Steels of different classes should be stored separately. Follow the guidelines given below while storing steel on site. Storing of Steel Reinforcement Store bars of different classes, sizes and lengths separately to facilitate issuesin such
HOW TO PLACE CONCRETE ON SITE? This means, in practice, concrete should be placed in uniform layers ranging from 250 to 400 mm, depending on the vibrator used. To ensure each layer is properly melded together, the vibrator should penetrate about 150 mm into the lower layer ( Fig-3). The effective depth of compaction of vibrating beam screeds depends on the beam weight, the 7 MUST HAVE PROPERTIES OF ASPHALT CONCRETE An asphalt concrete mixture must be designed, produced and placed in order to obtain the following desirable mix properties: 1. Stability. Stability of an asphalt pavement is its ability to resist shoving and rutting under loads (traffic). A stable pavement maintains its shape and smoothness under repeated loading; an unstable pavement develops WHAT ARE THE FUNCTIONS OF FOUNDATION? What is Foundation? Foundation is the lower portion of the building usually located below ground level, which transmits the loads of the super structure to the supporting soil. A foundation is therefore that part of the structure which is in direct contact with the ground to which loads are transmitted. Functions of Foundation 1. Reduction WHAT IS THE IMPORTANCE OF AGGREGATE GRADATION IN CONCRETE Importance in terms of Workability. A workable concrete can be achieved by adding more water, but as we know the more water present in concrete the poor strength it gives. The most efficient way to achieve workable of concrete is by adopting a good gradation of aggregate. Also aggregate comprises 85% of the volume of concrete. POINT LOAD STRENGTH INDEX TEST OF ROCK (IS-8764 Calculation. Point load strength index ( Is) = (P*1000)/D2 Mpa. Where P is breaking load in kN. D is the distance between platens in mm. Corresponding point load strength index for the standard core size of 50 mm ( Is50) diameter is given by the following equation. Is50 = (P*1000)/ (D1.5√50) MPa. Uniaxial compressive strength of rock maybe
WHAT ARE THE BASIC PROPERTIES OF HEAT INSULATING MATERIALS The following is an introduction of the basic properties of the heat-insulating material. 1. Thermal Conductivity. Thermal conductivity is the measurement of the heat transfer ability of the material itself. It is influenced by the material constitution, porosity, temperature of the surroundings, and the direction of theheat current.
WHAT IS CONSISTENCY OF MASONRY MORTAR? What is Consistency? The term consistency of masonry mortar means its property of mobility or fluidity. Consistency means the property of holding together all the ingredients without leading to segregation of mortar. It generally ranges from stiff to fluid. The working consistency of the mortar is usually judged by the worker during application. What are HOW TO STORE COMMON CONSTRUCTION MATERIALS ON SITE 5. STORING OF TIMBER ON SITE Storing of Timber on Site. Store the timbers in stacks upon well treated and even surfaced beams sleepersor brick
HOW TO CALCULATE CBR VALUE USING DCPT RESULT ON SITE DCPT (Dynamic Cone Penetration Test) Dynamic cone penetration test or DCPT is a quick, simple and low cost test which is extensively used by many agencies around the globe to measure the strength of compacted material of unbound granular and sub grade layers with reasonable accuracy. Now a days DCPT is commonly used during construction HOW TO STORE STEEL ON SITE? Steels should be stored in such a way, so as to avoid distortion and to prevent deterioration and corrosion. Steels of different classes should be stored separately. Follow the guidelines given below while storing steel on site. Storing of Steel Reinforcement Store bars of different classes, sizes and lengths separately to facilitate issuesin such
SELECTION OF PILE TYPE How to Select Proper Pile Type? The purpose of a pile foundation is to transfer and distribute load through a material or stratum with inadequate bearing, sliding or uplift capacity to a firmer stratum that is capable of supporting the load without detrimentaldisplacement.
WHAT ARE THE VALUES OF MODULUS OF ELASTICITY & … Modulus of Elasticity of Rock Modulus of elasticity of rocks depend upon several factors, such as, Type of rock Porosity Grain size Water content Value of modulus of elasticity can be determined by static or dynamic methods. Higher value of modulus of elasticity indicates good quality rock having sound composition. Typical values of modulus of HOW TO MIX CONCRETE MANUALLY ON SITE? This post describes step-by-step, the proper way to mix concrete manually (by hand) on site, which results in producing good qualityconcrete.
33 MUST HAVE CHECKS FOR MAINTENANCE OF BATCHING … Maintenance of Ready-Mixed Concrete Batching Plant For an effective production & delivery of concrete, all plant & equipment should be maintained in a clean and efficient working condition. To achieve this, checklists are used by the batching plant personnel. These checklists include daily checks, weekly checks, monthly checks and quarterly checks. Checklists must be prepared EFFLORESCENCE ON PLASTER SURFACE What is Efflorescence on Plaster Surface? Efflorescence is one type of defect found on plaster surface. Efflorescence is the whitish crystalline substance which appears on the surface of walls due to presence of soluble salts, such as suphates of sodium, calcium and magnesium. Why Efflorescence Happens on Plaster Surface? Presence ofsalts in the lime,
10 MOST COMMON TYPES OF FLOORING USED IN INDIA Mud Flooring Mud has been the easiest form of material available for building construction. It has been adopted for various elements in the house in different forms. Floorings in mud have mostly been adopted in village housing as besides being economical, mud is readily available and the flooring is easy to construct and maintain. Brick HOW TO CALCULATE BEARING CAPACITY OF SHALLOW … Step-by-Step Procedure for Calculation of Bearing Capacity from Standard Penetration Test Values or N-values Step-1 Perform standard penetration test on the location for which you want to calculate bearing capacity. This is done as per standard procedure given in IS-2131. Standard penetration test must be done at every 75 cm in vertical direction. Step-2 Decide HOW TO STORE COMMON CONSTRUCTION MATERIALS ON SITE 5. STORING OF TIMBER ON SITE Storing of Timber on Site. Store the timbers in stacks upon well treated and even surfaced beams sleepersor brick
HOW TO CALCULATE CBR VALUE USING DCPT RESULT ON SITE DCPT (Dynamic Cone Penetration Test) Dynamic cone penetration test or DCPT is a quick, simple and low cost test which is extensively used by many agencies around the globe to measure the strength of compacted material of unbound granular and sub grade layers with reasonable accuracy. Now a days DCPT is commonly used during construction HOW TO STORE STEEL ON SITE? Steels should be stored in such a way, so as to avoid distortion and to prevent deterioration and corrosion. Steels of different classes should be stored separately. Follow the guidelines given below while storing steel on site. Storing of Steel Reinforcement Store bars of different classes, sizes and lengths separately to facilitate issuesin such
SELECTION OF PILE TYPE How to Select Proper Pile Type? The purpose of a pile foundation is to transfer and distribute load through a material or stratum with inadequate bearing, sliding or uplift capacity to a firmer stratum that is capable of supporting the load without detrimentaldisplacement.
WHAT ARE THE VALUES OF MODULUS OF ELASTICITY & … Modulus of Elasticity of Rock Modulus of elasticity of rocks depend upon several factors, such as, Type of rock Porosity Grain size Water content Value of modulus of elasticity can be determined by static or dynamic methods. Higher value of modulus of elasticity indicates good quality rock having sound composition. Typical values of modulus of HOW TO MIX CONCRETE MANUALLY ON SITE? This post describes step-by-step, the proper way to mix concrete manually (by hand) on site, which results in producing good qualityconcrete.
33 MUST HAVE CHECKS FOR MAINTENANCE OF BATCHING … Maintenance of Ready-Mixed Concrete Batching Plant For an effective production & delivery of concrete, all plant & equipment should be maintained in a clean and efficient working condition. To achieve this, checklists are used by the batching plant personnel. These checklists include daily checks, weekly checks, monthly checks and quarterly checks. Checklists must be prepared EFFLORESCENCE ON PLASTER SURFACE What is Efflorescence on Plaster Surface? Efflorescence is one type of defect found on plaster surface. Efflorescence is the whitish crystalline substance which appears on the surface of walls due to presence of soluble salts, such as suphates of sodium, calcium and magnesium. Why Efflorescence Happens on Plaster Surface? Presence ofsalts in the lime,
10 MOST COMMON TYPES OF FLOORING USED IN INDIA Mud Flooring Mud has been the easiest form of material available for building construction. It has been adopted for various elements in the house in different forms. Floorings in mud have mostly been adopted in village housing as besides being economical, mud is readily available and the flooring is easy to construct and maintain. Brick HOW TO CALCULATE BEARING CAPACITY OF SHALLOW … Step-by-Step Procedure for Calculation of Bearing Capacity from Standard Penetration Test Values or N-values Step-1 Perform standard penetration test on the location for which you want to calculate bearing capacity. This is done as per standard procedure given in IS-2131. Standard penetration test must be done at every 75 cm in vertical direction. Step-2 Decide HOW TO STORE COMMON CONSTRUCTION MATERIALS ON SITE 5. STORING OF TIMBER ON SITE Storing of Timber on Site. Store the timbers in stacks upon well treated and even surfaced beams sleepersor brick
2 TEST METHODS TO MEASURE DENSITY OF SOIL ON SITE Measurement of Soil Compaction in the Field It is necessary in many instances to know the wet/dry densities of the soil in the field, especially before planning activities such as compaction. The same becomes particularly important in instances such as the construction of earth dams, embankments etc. to control the field compaction, thatis, to
HOW TO STORE STEEL ON SITE? Steels should be stored in such a way, so as to avoid distortion and to prevent deterioration and corrosion. Steels of different classes should be stored separately. Follow the guidelines given below while storing steel on site. Storing of Steel Reinforcement Store bars of different classes, sizes and lengths separately to facilitate issuesin such
WHAT CONDITIONS REQUIRE USE OF PILE Piles are structural members that are made of steel, concrete, or timber. They are used to build pile foundations, which are deep and which cost more than shallow foundations. Despite the cost, the use of piles often is necessary to ensure structural safety. The following list identifies some of the conditions that require pile foundations: 7 MUST HAVE PROPERTIES OF ASPHALT CONCRETE Essential Properties of Asphalt Concrete. Mix design methods and design requirements form an essential part for all asphalt concrete mixtures. The agency or authority responsible for paving construction (Department of Transportation) usually establishes WHAT IS THE IMPORTANCE OF AGGREGATE GRADATION IN … Concrete is prepared by mixing aggregate, cement and water in such a proportion that it becomes workable in its plastic state and durable in its hardened state. Our aim is to satisfy both of these requirements i.e. workability and durability. Importance in terms of Workability A workable concrete can be achieved by adding more water, 10 DIFFERENT TYPES OF BRICK CUTS USED IN The below mentioned terminologies are used to express different forms of cut bricks used in brick masonry construction. 1. Closer It is the portion of the brick cut along the length in such a way as one long face remains intact. 2. Queen Closer When a brick is cut along its length, making it two POINT LOAD STRENGTH INDEX TEST OF ROCK (IS-8764 Aim To determine point load strength index of rock as per IS-8764 Equipments Point load strength test machine A 100 mm scale attached with the loading frame Pressure gauge (Capacity 25 kN or 50 kN) Depending upon the size and shape of test specimen, the point load strength index can be conducted by four different HOW TO CALCULATE BEARING CAPACITY OF SHALLOW … Step-by-Step Procedure for Calculation of Bearing Capacity from Standard Penetration Test Values or N-values Step-1 Perform standard penetration test on the location for which you want to calculate bearing capacity. This is done as per standard procedure given in IS-2131. Standard penetration test must be done at every 75 cm in vertical direction. Step-2 Decide HOW TO COLLECT AGGREGATE SAMPLE FROM Sampling is of equal importance to testing and a man collecting samples should use every precaution to obtain samples that will show the true nature and condition of the materials which they represent. Aggregate Sampling from Stockpile Using a front end-loader, dig into the stockpile and set aside small pile of 10 to 15 ton HOW TO STORE COMMON CONSTRUCTION MATERIALS ON SITE Storing of Cement on Site – Guidelines. Store cement in a building which is dry, leak proof and as moisture proof as possible. There should be minimum number of windows in the storage building. Stack the cement bags off the floor on wooden planks in such a way, so that it is about 150 mm to 200 mm above the floor. HOW TO IDENTIFY & CLASSIFY SOIL ON SITE? [STEP-BY-STEPSEE MORE ONCIVILBLOG.ORG
HOW TO COMPUTE VOLUME OF EXCAVATION WORK ON SITESEE MORE ONCIVILBLOG.ORG
HOW TO CALCULATE CBR VALUE USING DCPT RESULT ON SITE DCPT (Dynamic Cone Penetration Test) Dynamic cone penetration test or DCPT is a quick, simple and low cost test which is extensively used by many agencies around the globe to measure the strength of compacted material of unbound granular and sub grade layers with reasonable accuracy. Now a days DCPT is commonly used during construction HOW TO STORE STEEL ON SITE? Steels should be stored in such a way, so as to avoid distortion and to prevent deterioration and corrosion. Steels of different classes should be stored separately. Follow the guidelines given below while storing steel on site. Storing of Steel Reinforcement Store bars of different classes, sizes and lengths separately to facilitate issuesin such
SELECTION OF PILE TYPE Cast-in-place concrete piles are shafts of concrete cast in thin shell pipes, top driven in the soil, and usually closed end. Such piles can provide up to a 200-kip capacity. The chief advantage over precast piles is the ease of changing lengths by cutting or splicing the shell. The material cost of cast-in-place piles is relatively low. 7 MUST HAVE PROPERTIES OF ASPHALT CONCRETE WHAT ARE THE BASIC PROPERTIES OF HEAT INSULATING …SEE MORE ONCIVILBLOG.ORG
HOW TO CALCULATE BEARING CAPACITY OF SHALLOW … Step-by-Step Procedure for Calculation of Bearing Capacity from Standard Penetration Test Values or N-values Step-1 Perform standard penetration test on the location for which you want to calculate bearing capacity. This is done as per standard procedure given in IS-2131. Standard penetration test must be done at every 75 cm in vertical direction. Step-2 Decide HYDROMETER ANALYSIS OF SOIL HOW TO STORE COMMON CONSTRUCTION MATERIALS ON SITE Storing of Cement on Site – Guidelines. Store cement in a building which is dry, leak proof and as moisture proof as possible. There should be minimum number of windows in the storage building. Stack the cement bags off the floor on wooden planks in such a way, so that it is about 150 mm to 200 mm above the floor. HOW TO IDENTIFY & CLASSIFY SOIL ON SITE? [STEP-BY-STEPSEE MORE ONCIVILBLOG.ORG
HOW TO COMPUTE VOLUME OF EXCAVATION WORK ON SITESEE MORE ONCIVILBLOG.ORG
HOW TO CALCULATE CBR VALUE USING DCPT RESULT ON SITE DCPT (Dynamic Cone Penetration Test) Dynamic cone penetration test or DCPT is a quick, simple and low cost test which is extensively used by many agencies around the globe to measure the strength of compacted material of unbound granular and sub grade layers with reasonable accuracy. Now a days DCPT is commonly used during construction HOW TO STORE STEEL ON SITE? Steels should be stored in such a way, so as to avoid distortion and to prevent deterioration and corrosion. Steels of different classes should be stored separately. Follow the guidelines given below while storing steel on site. Storing of Steel Reinforcement Store bars of different classes, sizes and lengths separately to facilitate issuesin such
SELECTION OF PILE TYPE Cast-in-place concrete piles are shafts of concrete cast in thin shell pipes, top driven in the soil, and usually closed end. Such piles can provide up to a 200-kip capacity. The chief advantage over precast piles is the ease of changing lengths by cutting or splicing the shell. The material cost of cast-in-place piles is relatively low. 7 MUST HAVE PROPERTIES OF ASPHALT CONCRETE WHAT ARE THE BASIC PROPERTIES OF HEAT INSULATING …SEE MORE ONCIVILBLOG.ORG
HOW TO CALCULATE BEARING CAPACITY OF SHALLOW … Step-by-Step Procedure for Calculation of Bearing Capacity from Standard Penetration Test Values or N-values Step-1 Perform standard penetration test on the location for which you want to calculate bearing capacity. This is done as per standard procedure given in IS-2131. Standard penetration test must be done at every 75 cm in vertical direction. Step-2 Decide HYDROMETER ANALYSIS OF SOIL HOW TO IDENTIFY & CLASSIFY SOIL ON SITE? [STEP-BY-STEP On-Site Identification & Classification of Soil The principle terms used by civil engineers to describe soils are Gravel (particle size larger than 4.75 mm) Sand (particle size within 4.75 mm to 0.075mm) Silt & Clay (particle size less than 0.075mm) Most natural soils consist of a mixture of two or more of these constituents and CIVIL ENGINEERING VIDEO LECTURES 1. Design of Reinforced Concrete Structure 2. Design of Steel Stricture 3. Surveying 4. Structural Analysis 1 5. Soil Mechanics 7. Introduction to Transportation Engineering 8. Concrete Technology 9. Foundation Engineering 10. Theory of Structures 11. Advanced Foundation Engineering 12. Mechanics of Solids 13. Civil Engineering Geology 14. Hydraulics 15. Transportation Engineering-II HOW TO COMPUTE VOLUME OF EXCAVATION WORK ON SITE The key to volume calculation is the determination of area. Most volume calculation formulas contain within them the formula for an area, which is simply multiplied by the height to determine the volume. For instance, the area of a circle is pi times the radius squared. The volume of a cylinder is the area of the circle times theheight of the
HOW TO STORE STEEL ON SITE? Steels should be stored in such a way, so as to avoid distortion and to prevent deterioration and corrosion. Steels of different classes should be stored separately. Follow the guidelines given below while storing steel on site. Storing of Steel Reinforcement Store bars of different classes, sizes and lengths separately to facilitate issuesin such
HOW TO MIX CONCRETE MANUALLY ON SITE? Step-2 Spread out the measured quantity of sand uniformly on the mixing platform. Dump the cement on the sand and distribute it uniformly. Mix the sand and cement with the shovels, turning the mixture over and over again until it is uniform in colour.Step-3
HOW TO CALCULATE STRESS DISTRIBUTION OF SOIL? 2:1 … The increase in vertical pressure Dsz in units of tsf at depth z for an applied load Q is given by. Dsz = Q / Where, B and L are the width and length of the foundation in feet, respectively. Dsz is the increase in the vertical pressure caused by the construction. Vertical stresses calculated by above equation agree WHAT ARE THE FUNCTIONS OF FOUNDATION? What is Foundation? Foundation is the lower portion of the building usually located below ground level, which transmits the loads of the super structure to the supporting soil. A foundation is therefore that part of the structure which is in direct contact with the ground to which loads are transmitted. Functions of Foundation 1. Reduction SAFE BEARING CAPACITY VALUES OF DIFFERENT SOILS & … The safe bearing capacity of soil should be determined on the basis of soil test data or by performing some field test such as Standard penetration test or Plate load test etc. However, in the absence of soil test data, the values of safe bearing capacity (S.B.C) as given in the following table may be used as a guide for preliminaryanalysis. Sl.
EFFLORESCENCE ON PLASTER SURFACE What is Efflorescence on Plaster Surface? Efflorescence is one type of defect found on plaster surface.Efflorescence is the whitish crystalline substance which appears on the surface of walls due to presence of soluble salts, such as suphates of sodium, calcium andmagnesium.
WHAT FACTORS INFLUENCE CORROSION OF REINFORCEMENT IN The following factors are responsible for corrosion of steel reinforcement in concrete structure. 1. Quality of Concrete. Concrete consists of coarse aggregate, fine aggregate, cement and water. The right quality of materials with proper w/c ratio, correct mixing, adequate compaction by tamping or vibration and proper curing resultsin good
HOW TO STORE COMMON CONSTRUCTION MATERIALS ON SITE Storing of Cement on Site – Guidelines. Store cement in a building which is dry, leak proof and as moisture proof as possible. There should be minimum number of windows in the storage building. Stack the cement bags off the floor on wooden planks in such a way, so that it is about 150 mm to 200 mm above the floor. HOW TO IDENTIFY & CLASSIFY SOIL ON SITE? [STEP-BY-STEPSEE MORE ONCIVILBLOG.ORG
HOW TO COMPUTE VOLUME OF EXCAVATION WORK ON SITESEE MORE ONCIVILBLOG.ORG
HOW TO CALCULATE CBR VALUE USING DCPT RESULT ON SITE DCPT (Dynamic Cone Penetration Test) Dynamic cone penetration test or DCPT is a quick, simple and low cost test which is extensively used by many agencies around the globe to measure the strength of compacted material of unbound granular and sub grade layers with reasonable accuracy. Now a days DCPT is commonly used during construction HOW TO STORE STEEL ON SITE? Steels should be stored in such a way, so as to avoid distortion and to prevent deterioration and corrosion. Steels of different classes should be stored separately. Follow the guidelines given below while storing steel on site. Storing of Steel Reinforcement Store bars of different classes, sizes and lengths separately to facilitate issuesin such
SELECTION OF PILE TYPE Cast-in-place concrete piles are shafts of concrete cast in thin shell pipes, top driven in the soil, and usually closed end. Such piles can provide up to a 200-kip capacity. The chief advantage over precast piles is the ease of changing lengths by cutting or splicing the shell. The material cost of cast-in-place piles is relatively low. 7 MUST HAVE PROPERTIES OF ASPHALT CONCRETE WHAT ARE THE BASIC PROPERTIES OF HEAT INSULATING …SEE MORE ONCIVILBLOG.ORG
HOW TO CALCULATE BEARING CAPACITY OF SHALLOW … Step-by-Step Procedure for Calculation of Bearing Capacity from Standard Penetration Test Values or N-values Step-1 Perform standard penetration test on the location for which you want to calculate bearing capacity. This is done as per standard procedure given in IS-2131. Standard penetration test must be done at every 75 cm in vertical direction. Step-2 Decide HYDROMETER ANALYSIS OF SOIL HOW TO STORE COMMON CONSTRUCTION MATERIALS ON SITE Storing of Cement on Site – Guidelines. Store cement in a building which is dry, leak proof and as moisture proof as possible. There should be minimum number of windows in the storage building. Stack the cement bags off the floor on wooden planks in such a way, so that it is about 150 mm to 200 mm above the floor. HOW TO IDENTIFY & CLASSIFY SOIL ON SITE? [STEP-BY-STEPSEE MORE ONCIVILBLOG.ORG
HOW TO COMPUTE VOLUME OF EXCAVATION WORK ON SITESEE MORE ONCIVILBLOG.ORG
HOW TO CALCULATE CBR VALUE USING DCPT RESULT ON SITE DCPT (Dynamic Cone Penetration Test) Dynamic cone penetration test or DCPT is a quick, simple and low cost test which is extensively used by many agencies around the globe to measure the strength of compacted material of unbound granular and sub grade layers with reasonable accuracy. Now a days DCPT is commonly used during construction HOW TO STORE STEEL ON SITE? Steels should be stored in such a way, so as to avoid distortion and to prevent deterioration and corrosion. Steels of different classes should be stored separately. Follow the guidelines given below while storing steel on site. Storing of Steel Reinforcement Store bars of different classes, sizes and lengths separately to facilitate issuesin such
SELECTION OF PILE TYPE Cast-in-place concrete piles are shafts of concrete cast in thin shell pipes, top driven in the soil, and usually closed end. Such piles can provide up to a 200-kip capacity. The chief advantage over precast piles is the ease of changing lengths by cutting or splicing the shell. The material cost of cast-in-place piles is relatively low. 7 MUST HAVE PROPERTIES OF ASPHALT CONCRETE WHAT ARE THE BASIC PROPERTIES OF HEAT INSULATING …SEE MORE ONCIVILBLOG.ORG
HOW TO CALCULATE BEARING CAPACITY OF SHALLOW … Step-by-Step Procedure for Calculation of Bearing Capacity from Standard Penetration Test Values or N-values Step-1 Perform standard penetration test on the location for which you want to calculate bearing capacity. This is done as per standard procedure given in IS-2131. Standard penetration test must be done at every 75 cm in vertical direction. Step-2 Decide HYDROMETER ANALYSIS OF SOIL HOW TO IDENTIFY & CLASSIFY SOIL ON SITE? [STEP-BY-STEP On-Site Identification & Classification of Soil The principle terms used by civil engineers to describe soils are Gravel (particle size larger than 4.75 mm) Sand (particle size within 4.75 mm to 0.075mm) Silt & Clay (particle size less than 0.075mm) Most natural soils consist of a mixture of two or more of these constituents and CIVIL ENGINEERING VIDEO LECTURES 1. Design of Reinforced Concrete Structure 2. Design of Steel Stricture 3. Surveying 4. Structural Analysis 1 5. Soil Mechanics 7. Introduction to Transportation Engineering 8. Concrete Technology 9. Foundation Engineering 10. Theory of Structures 11. Advanced Foundation Engineering 12. Mechanics of Solids 13. Civil Engineering Geology 14. Hydraulics 15. Transportation Engineering-II HOW TO COMPUTE VOLUME OF EXCAVATION WORK ON SITE The key to volume calculation is the determination of area. Most volume calculation formulas contain within them the formula for an area, which is simply multiplied by the height to determine the volume. For instance, the area of a circle is pi times the radius squared. The volume of a cylinder is the area of the circle times theheight of the
HOW TO STORE STEEL ON SITE? Steels should be stored in such a way, so as to avoid distortion and to prevent deterioration and corrosion. Steels of different classes should be stored separately. Follow the guidelines given below while storing steel on site. Storing of Steel Reinforcement Store bars of different classes, sizes and lengths separately to facilitate issuesin such
HOW TO MIX CONCRETE MANUALLY ON SITE? Step-2 Spread out the measured quantity of sand uniformly on the mixing platform. Dump the cement on the sand and distribute it uniformly. Mix the sand and cement with the shovels, turning the mixture over and over again until it is uniform in colour.Step-3
HOW TO CALCULATE STRESS DISTRIBUTION OF SOIL? 2:1 … The increase in vertical pressure Dsz in units of tsf at depth z for an applied load Q is given by. Dsz = Q / Where, B and L are the width and length of the foundation in feet, respectively. Dsz is the increase in the vertical pressure caused by the construction. Vertical stresses calculated by above equation agree WHAT ARE THE FUNCTIONS OF FOUNDATION? What is Foundation? Foundation is the lower portion of the building usually located below ground level, which transmits the loads of the super structure to the supporting soil. A foundation is therefore that part of the structure which is in direct contact with the ground to which loads are transmitted. Functions of Foundation 1. Reduction SAFE BEARING CAPACITY VALUES OF DIFFERENT SOILS & … The safe bearing capacity of soil should be determined on the basis of soil test data or by performing some field test such as Standard penetration test or Plate load test etc. However, in the absence of soil test data, the values of safe bearing capacity (S.B.C) as given in the following table may be used as a guide for preliminaryanalysis. Sl.
EFFLORESCENCE ON PLASTER SURFACE What is Efflorescence on Plaster Surface? Efflorescence is one type of defect found on plaster surface.Efflorescence is the whitish crystalline substance which appears on the surface of walls due to presence of soluble salts, such as suphates of sodium, calcium andmagnesium.
WHAT FACTORS INFLUENCE CORROSION OF REINFORCEMENT IN The following factors are responsible for corrosion of steel reinforcement in concrete structure. 1. Quality of Concrete. Concrete consists of coarse aggregate, fine aggregate, cement and water. The right quality of materials with proper w/c ratio, correct mixing, adequate compaction by tamping or vibration and proper curing resultsin good
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* Building Construction __ * Video Lectures 7 FACTORS INFLUENCING REBOUND HAMMER TEST OF CONCRETE Rebound Hammer Test The Schmidt rebound hammer is principally 6 FOCAL PROPERTIES OF CONCRETE IN FRESH AND HARDENED STATE HOW AGGREGATE PROPERTIES AFFECTS CONCRETE PROPERTIES? AN INTRODUCTION TO CEMENT CONCRETE FOR BEGINNERSLatest
Building Construction 7 FACTORS INFLUENCING REBOUND HAMMER TEST OF CONCRETE Suryakanta | November22, 2019
Rebound Hammer Test The Schmidt rebound hammer is principally a surface hardness tester with little apparent theoretical relationship between the strength of concrete and the rebound number of Read MoreConcrete Technology
6 FOCAL PROPERTIES OF CONCRETE IN FRESH AND HARDENED STATE Suryakanta | February21, 2019
Properties of Hardened Concrete 1. Strength: Concrete is strong in compression but relatively weak in tension and bending. It takes a great deal of force to crush Read MoreConcrete Technology
HOW AGGREGATE PROPERTIES AFFECTS CONCRETE PROPERTIES? Suryakanta | February15, 2019
INFLUENCE OF AGGREGATE PROPERTIES ON CONCRETE Aggregates influence the properties of concrete/mortar such as water requirement, cohesiveness and workability of the concrete in plastic stage, while they influence Read MoreConcrete Technology
AN INTRODUCTION TO CEMENT CONCRETE FOR BEGINNERS Suryakanta | February12, 2019
CEMENT AND CONCRETE – ARE THEY THE SAME? Many people think that cement and concrete are the same product – they are not. Cement is a dry powdered Read MoreConstruction
5 TYPES OF ERRORS IN CHAINING AND WAYS TO MITIGATE IT Suryakanta | February9, 2019
Errors in Chain Surveying Every measurement made with a mechanical device is subject to any error that could possibly be caused by the condition of the device or Read MoreConcrete Technology
3 MAJOR COMPONENTS OF QUALITY CONTROL OF READY MIX CONCRETE Suryakanta | November3, 2018
QUALITY CONTROL OF READY MIX CONCRETE Quality control of ready-mixed concrete may be divided into three components, 1. Forward control, 2. Immediate control and 3. Retrospective control. FORWARD Read More Building Construction HOW TO INCREASE REPETITION VALUE OF PLYWOOD? Suryakanta | February7, 2018
TIPS ON INCREASING REPETITION VALUE TO PLYWOOD There are many reasons to use plywood as a concrete shuttering materials. Out of those reasons one reason is it’s reuse Read More Building Construction EFFECT OF TREE ROOTS ON BUILDING Suryakanta | January30, 2018
What Is The Effect of Tree Roots on Building? Fast growing trees close to buildings can cause unequal settlement when active tree roots dry out the soil causing Read MoreConstruction
6 DIFFERENT TYPES OF WEATHERING OF ROCK MASS Suryakanta | January24, 2018
WEATHERING OF ROCK MASS ‘Weathering is the process of alteration and breakdown of rock and soil materials at and near the Earth’s surface by chemical decomposition and physical Read MoreConstruction
HOW TO DETERMINE WEIGHT VOLUME RELATIONSHIP OF SOIL? Suryakanta | January19, 2018
WEIGHT VOLUME RELATIONSHIP OF SOIL The physical properties of a soil give insight as to the identification of the soil and the determination of its characteristics and load Read MorePOSTS NAVIGATION
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