The tensile strength of concrete is one of the basic and important properties which greatly affect the extent and size of cracking in structures. Moreover, the concrete is very weak in tension due to its brittle nature. Hence. it is not expected ...
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Tests on Hardened Concrete for Quality Check of Construction
Hardened concrete gains strength with time and testing these hardened concrete for quality check is important for structures. Different types of tests are available to check different properties of hardened concrete which are discussed. Properties of Hardened Concrete Early volume ...
Compaction Factor Test for Concrete Workability – Method and Procedure
Compaction factor apparatus’ trowels, hand scoop (15.2 cm long), a rod of steel or other suitable material (1.6 cm diameter, 61 cm long rounded at one end ) and a balance.
Compressive Strength of Mortar -Mix Ratio and Cube Test
Take 200gm of cement and 600gm of standard sand in the proportion 1:3 by weight) in a pan. (The standard sand shall be of quartz, of light, gray or whitish variety and shall be free from silt. The sand grains ...
Final Setting Time of Cement as per IS:4031-Part 5
Take 400 gm of cement in a pan. Prepare a neat cement paste by adding 0.85 times the water required to give a paste of standard consistency by the previous test. Start a stop watch at the instant when water ...
Initial Setting Time of Cement as per IS 4031, IS 269
Take 400 gm of cement in a pan. Prepare a neat cement paste by adding 0.85 times the water required to give a paste of standard consistency by the previous test. Start a stop watch at the instant when water ...
Determination of Standard Consistency of Cement
The standard consistency is that consistency, which will permit the vicat plunger to penetrate to a point 5 to 7mm from the bottom of the vicat mould when tested as described below.
Charpy Impact Test
The Charpy impact test is performed to evaluate the resistance of the metal to breakage by flexural shock or impact load according to standard test method ASTM D6110. This test determines the amount of energy absorbed by a material during ...