### Determine the batch weights needed for all materials for

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##### Reference no: EM13544574

Determine the batch weights needed for all materials for a 1yd^3 batch yielding an f'c= 2500 psi given the following information.

•slump = 5 inch max

•w/c = .55

•cementitious content = 675 lbs

•fly ash content= 30% by weight

•fly ash specific gravity= 2.8

•CA (limestone) specific gravity (SSD) = 2.578

• FA (sand) specific gravity (SSD) = 2.654

• cement( type 1) specific gravity = 3.14

•air content = 4% ( air entrained)

•coarse aggregate absorption = 2.4%

•coarse aggregate moisture content = 1.6%

•fine aggregate absorption= .8%

•fine aggregate moisture content = 2.8%

•58 % coarse aggregate

•42% fine aggregate

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