COMPRESSIVE STRENGTH OF CONCRETE
OBJECTIVE
TO DETERMINE THE COPRESSIVE STRENGTH OF THE CONCRETE BY CUBE TEST
APPARATUS REQUIRED
- COMPRESSION TESTING MACHINE
- cube mould(150*150*150mm)
-
mixing tray,tamping rod,trowel and measuring cylinder.
-
balance
-
curing tank
-
others
MATERIALS REQUIRED
- cement
- sand
- aggregate
- water
THEORY
compressive strength or the resistance of the concrete to compression under gradually applied load is evaluated by the compression test .the test can be performed by:
- cube test
- cylindrical test and
- beam test
the cube strength og the concrete is defined as the strength of concrete in kg/cm2 on 15 cm concrete cube and cured in water at 27±2℃ for 28 days.curing water should be renewed
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