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RE: Concrete aggregate

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Title: RE: Concrete aggregate

Larger agg has less surface area for a given stone volume.  This requires less cement paste thus less water.  However there may be limitations on agg. size for clearances. Proffessor Ghaly at Union College in Schenectady, NY has a concrete mix design program on his home page it is useful. The address is

<<Home Page - Concrete Mix Design>>
Bruce C. Trobridge
Assistant Building Structural Engineer
NYS - Office of General Services

Attachment: Home Page - Concrete Mix Design.url
Description: Home Page - Concrete Mix Design