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  • Users: didoT
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  1. didoT

    Modulus of Elasticity of Concrete.

    I performed some MOE tests on 4"X8" cylinders of high strength concrete (12,000 psi). When i calculate MOE theoretically i get approx. 6,000,000 psi, but the actual test value is approx. 12,000,000 psi. Could this be correct?? I'm following ASTM C469 step by step.
  2. didoT

    Cylinders from mixes with silica fume

    I have read in the silica fume's mfg. data sheet that Silica fumes react with free lime to form calcium silicate hydrates, which is responsible for the strength of concrete. Could this be an explanation to why i'm getting higher compressive strength reults on cylinders cured in tanks (which...

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