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Materials for civil engineering please

  1. Mar 15, 2013 #1
    I have a question I really would be thankful if I had some help

    For the mix design in the fresh concrete.. I've got the compressive strength 6525 psi, I didn't find it in any table to find the w/c (water-cement ratio), what should I do and if there is a formula for it what it is?
     
    Last edited: Mar 15, 2013
  2. jcsd
  3. Mar 16, 2013 #2

    etudiant

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    Gold Member

    Not my field , but is the water/cement ratio really relevant here?
    Surely the compressive strength of cement depends on its constituent materials and their quality, not the exact water/cement ratio.
     
  4. Mar 16, 2013 #3

    Astronuc

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    Staff: Mentor

    I would expect that American Concrete Institute would have some reports on w/c and compressive strength.

    See also - http://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=2880&context=etd - Figures 3 and 4.

    Mindess, S., Young, J. F., and Darwin, D. (2003). Concrete. 2nd Ed., Prentice-Hall Inc.,
    Englewood Cliffs, New Jersey.

    Kosmatka, S., Kerkhoff, B., and Panarese, W.C. (2002). Design and control of concrete
    mixtures, 14th Ed., Portland Cement Association, Skokie, IL, USA.

    See also - http://www.cement.org/tech/cct_cement_characteristics.asp
     
    Last edited: Mar 17, 2013
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