Answer / souagata bangal

In 150x150x150mm cube the dimension 150mm is match with the pressure plate dimension.If it is less than 150mm the total pressure distribution is not as per spesification and it will show more than the cube value.If the dimension is grater than 150 mm ,the pressure distribution will not to the whole surface of the cube.

Answer / sjtbehera

Because as per IS standard the compressive strength is
taken as per these specimen

Answer / sanjay tewatia

the test on this dimension is done because it is specified in is coding system, and also because the varieing pressure of concert will not rises in less then the 100mm area and it will not give the actual positioning of the spreading area and to varies the whole strength of each substance mixed in it to give its full volume

Answer / deepak baviskar

Basically, the force supplied by a
concrete compression machine is a
definite value. For normal concrete
strength application, say below 50MPa,
the stress produced by a
150mmx150mmx150mm cube is
sufficient for the machine to crush the
concrete sample.

Answer / h.k.chanchal

In RCC like M15,M20 suffix is result of compressive
strength of 150x150x150 mm cube sample.

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