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Reliable Concrete test

Reliable Concrete test

Reliable Concrete test

(OP)
The ACI Code uses cylinder test while the British standars specifies the cube test to determine the compressive strength of concrete. Which method is more reliable?

RE: Reliable Concrete test

Not sure I would say one is more "reliable" - research now uses (almsot) exclusively cylinders.  It is that you need to remember that cube strength is not equivalent to cylinder strength.  Typically it is that "cube strength" times 0.8 is taken as "equivalent cylinder strength" although this is not the case always.  The relationship, actually, has a lot to do with the strength of the concrete to be used, etc.  There have been a number of posts on this subject in the past and you should search for them.  Someone gave the current "British acceptance" of the strength relationship; I gave some data from M.S. Shetty's book.

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