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Compressive Strength of Mortar -Mix Ratio and Cube Test

Compressive strength of mortar is determined by using 2 inch or 50mm cubes as per ASTM C109 / C109M - Standard Test Method for Compressive Strength of Hydraulic Cement Mortars.Mortar is a combination of cement, sand mixed with water. It ...

Initial Setting Time of Cement as per IS 4031, IS 269

Initial setting time of concrete is the time period between addition of water to cement till the time at 1 mm square section needle fails to penetrate the cement paste, placed in the Vicat’s mould 5mm to 7mm from the bottom ...

Determination of Standard Consistency of Cement

The standard consistency of cement is that consistency, which permit the vicat plunger to penetrate to a point 5 to 7mm from the bottom of the vicat mould when tested. Procedure to determine the quantity of water required to produce a ...

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.

Penetration Value of Bitumen -Determination for Road Construction

Penetration value test on bitumen is a measure of hardness or consistency of bituminous material. A 80/100 grade bitumen indicates that its penetration value lies between 80 & 100.Penetration value is the vertical distance traversed or penetrated by the point of ...

Flakiness Index and Elongation Index Test on Coarse Aggregates

Shape tests on coarse aggregates such as flakiness index and elongation Index, its importance in concrete construction, methods of determination is discussed. Shape Tests on Coarse Aggregates: Following tests are conducted on coarse aggregates under shape tests:The elongation index of the ...