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Concrete Cube Compressive Test

What is the formula for concrete cube compressive test by Accelerated Curring Tank (ACT) method?
Asked by: appanagoud Patil | Member Since Jun-2010 | Asked on: Jul 29th, 2010

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ven civil

Answered On : Mar 22nd, 2012

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m20-for 7 days it should be 67% and for 28 days it should be 100%...formula for cube testing:
ex: m20
size of cube surface area is 15*15 =225/10=22.5

for m20 7 days 20 * 22.5 * 67% = 301.5 kn.
28 days 20 * 22.5 = 450 kn.

  
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