Significance of Specific Gravity of Cement
Civil Allied Gyan - No. 1 Civil Engineering Blog
by Civil Allied Gyan
3y ago
 What is Specific Gravity of Cement? Specific gravity of a material is defined as the ratio between weight of a given volume of material and weight of an equal volume of water. Therefore, specific gravity of cement is the ratio of weight of a given volume of cement with weight of an equal volume of water at a specified temperature. Why is Specific Gravity Test of Cement Important? Specific gravity is an important property of cement being related to its density and viscosity. It is one of the factor to determine density of cement. If the specific gravity of cement is more t ..read more
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Significance of Flakiness Index and Elongation Index Test of Aggregate
Civil Allied Gyan - No. 1 Civil Engineering Blog
by Civil Allied Gyan
3y ago
Hi friends, you are welcomed in the world of Civil Allied Gyan. “Read here all the significances of flakiness and elongation index of aggregate.” The Significance of Flakiness Index and Elongation Index Test of Aggregate The test Flakiness index of aggregate is used to determine the particle shape of the aggregate specimen and each particle shape being preferred under specific condition. The Significances of Flakiness and Elongation Index of Aggregate are Following:- The degree of packing of the aggregate particles of one size depends upon their shape. Due to high surface area to vol ..read more
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Determine Necessary Adjustment for Bulking of Fine Aggregate by Field Method
Civil Allied Gyan - No. 1 Civil Engineering Blog
by Civil Allied Gyan
3y ago
What is bulk density? The bulk density is the weight of material in a given volume. It is measured in kilograms per miter cube but for the purpose of this standard it is measured in kilograms per litre. Who affects bulk density of sand? The bulk density of sand is affected by several factors, including the amount of moisture present and the amount of effort introduced in filling the measures. What is bulking of sand? The increase in volume of sand (or aggregate) due to presence of moisture is known as bulking of sand. What is bulking factor? The bulking factor is defined as the ratio of the ..read more
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Bulk Density and Voids in Aggregate, IS: 2386 (Part III)-1963
Civil Allied Gyan - No. 1 Civil Engineering Blog
by Er. Diwakar Kumar
3y ago
What is bulk density? The bulk density is the weight of material in a given volume. It is measured in kilograms per miter cube but for the purpose of this standard it is measured in kilograms per litre. Who affects bulk density of aggregate? The bulk density of an aggregate is affected by several factors, including the amount of moisture present and the amount of effort introduced in filling the measures. What is bulking of sand? The increase in volume of sand (or aggregate) due to presence of moisture is known as bulking of sand. What is the reason behind bulking of sand? The bulking of sa ..read more
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California Bearing Ratio Test Procedure, CBR Test of Soil
Civil Allied Gyan - No. 1 Civil Engineering Blog
by Civil Allied Gyan
3y ago
What is California Bearing Ratio (CBR) of Soil? California Bearing Ratio (CBR) of soil is the ratio expressed in percentage of force per unit area required to penetrate a soil mass with a standard circular plunger of 50 mm diameter at the rate of 1.25 mm/min to that required for corresponding penetration in a standard material. The ratio is usually determined for penetration of 2.5 mm and 5 mm. When the ratio at 5 mm is consistently higher than that at 2.5 mm, the ratio at 5 mm is used.   The following table gives the standard loads adopted for different penetrations for the standard mate ..read more
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Determination of Lightweight Pieces (Coal and Lignite) in Aggregate
Civil Allied Gyan - No. 1 Civil Engineering Blog
by Civil Allied Gyan
3y ago
What is lightweight pieces test in aggregate? The lightweight pieces test in aggregate covers the procedure for determination of approximate percentage of light-weight pieces in aggregate by means of sink-float separation in a heavy liquid of suitable specific gravity. Determination of Lightweight Pieces (Coal and Lignite) in Aggregate Hi friends, you are welcomed in the world of Civil Allied Gyan. Here I have explained about determination of lightweight pieces (coal and lignite) in aggregate. “Read definition, apparatus, IS code, procedure, formula, result, lab report about determin ..read more
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Determination of Clay Lumps in Aggregate, IS 2386 (Part 2)1963
Civil Allied Gyan - No. 1 Civil Engineering Blog
by Civil Allied Gyan
3y ago
Theory:- There are several tests are performed to determine the physical characteristics of the aggregate to ensure its performance as intended for highway construction. One of these tests is the Determination of Clay Lumps in Aggregate. Why the Determination of Clay Lumps in Aggregate is Important? Excessive presence clay lumps in a processed aggregate intended for use in a Portland Cement or Hot Mix Asphalt may interfere with the bonding between the aggregate and cementitious material. This will affect in spalling, raveling, or stripping and create weak points and pop-outs if the material i ..read more
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Estimation of Organic Impurities and Deleterious Materials in Aggregates
Civil Allied Gyan - No. 1 Civil Engineering Blog
by Civil Allied Gyan
3y ago
Hi friends, you are welcomed to our website Civil Allied Gyan. Here we have explained about estimation of organic impurities and deleterious materials in aggregates. Read here about estimation of organic impurities and deleterious materials in aggregates and the important tests done for the estimations. Estimation of Organic Impurities and Deleterious Materials in Aggregates This method of test covers an approximate method of estimating the organic impurities and deleterious materials, whether organic compounds are present in natural sand in sufficient quantities to be harmf ..read more
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Significance or Importance of Fineness Test of Cement
Civil Allied Gyan - No. 1 Civil Engineering Blog
by Civil Allied Gyan
3y ago
What is the degree of fineness of cement? The degree of fineness of cement is a measure of the average (mean) size of the grains. The finer cement has quicker action with water and gains early strength without change within the ultimate strength. Finer cement is susceptible to shrinkage and cracking. Hi friends, you are welcomed in the world of Civil Allied Gyan. Read about significance or importance of fineness test of cement and effect of fineness test of cement. Image by mbpol.com  Significance or Importance of Fineness Test of Cement or Effect of Finen ..read more
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Significance or Importance of Compressive Strength of Cement Mortar
Civil Allied Gyan - No. 1 Civil Engineering Blog
by Unknown
3y ago
What is Compressive Strength of Cement Mortar Cubes? The compressive strength of cement mortar cubes or concrete is one of the most important and useful property. The compressive strength test is done on cement, when it is used as cement mortar and concrete. Compressive strength of cement is determined by compressive strength test on cement mortar cubes compacted by means of a standard vibration machine. Standard sand (as per IS: 650) is used for the preparation of cement mortar cubes. Hydraulic cement Significance or Importance of Compress ..read more
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