why compressive strength of concrete cube is more than that of cylinder?

January 1, 2011

Reasons for concrete cube to have greater compressive strength as compared to cylinder is

  • contact area of a standard cube mould with the upper platen in the testing machine is more which results in more confinement .
  • more confinement resist against specimen expansion resulting in more compressive strength

The ratio between cube strength and cylinder strength is commonly assumed to be 1.25 , but it is not constant.

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One Response to “why compressive strength of concrete cube is more than that of cylinder?”

  1. civil09 said

    suggestions and improvements are welcomed

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