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Discy Latest Articles

How to Test Reinforced Concrete Structures for Watertightness?

How to Test Reinforced Concrete Structures for Watertightness?

A watertightness test is conducted on water-containment structures to check whether undetected and incidental defects are leading to leakage of water. The types of linings used in a water-containment structure, their location (semiarid or arid area, covered or not), ...

Concrete Slump Variations at Site: How to Deal with it?

Concrete Slump Variations at Site: How to Deal with it?

Adjusting the slump of concrete is a part of the concreting process, which the contractors should manage properly and cautiously. The concrete slump variation from one transit mixer to another is generally due to aggregate moisture content, concrete temperature, ...

How to Test Hardness of Building Materials?

How to Test Hardness of Building Materials?

The hardness of a material is defined as the resistance of that material to an indentation or plastic deformation. Hardness is hence a measure of the resistance of the material towards abrasion, cutting, and scratching. Hardness test is commonly ...

Failed Concrete Slump Test? Here is What you Should do

Failed Concrete Slump Test? Here is What you Should do

Engineers should make a proper decision when an on-site slump test fails. The decision could be an outright rejection of the complete batch of concrete or the suspension of the work due to the contractor’s failure to follow project ...

How to Test the Temperature of Fresh Concrete as per ASTM?

How to Test the Temperature of Fresh Concrete as per ASTM?

The temperature of fresh concrete can be determined as per ASTM C1064 to ensure the concrete’s conformity with standard temperature specifications. The method employs a calibrated thermometer to test the concrete temperature. The temperature of the concrete affects the ...

What to Do if Concrete Cylinder Test Fails at 28 Days?

What to Do if Concrete Cylinder Test Fails at 28 Days?

The failure of the concrete cylinder test at 28 days occurs due to several factors like improper casing and curing of specimens and an incorrect mix of concrete used for construction. The cause of the failure should be identified ...

How to Evaluate Liquefaction Potential of Soils in the Field?

How to Evaluate Liquefaction Potential of Soils in the Field?

The evaluation of the liquefaction potential of soils in seismic-prone region is essential for site selection, planning, and construction of structures. One can assess liquefaction potential through standard blasting tests, ground response analysis, laboratory tests, and expertise. The use ...