Proposed Specification for Cast Stone
ACI Committee 704
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A proposed new standard intended by the Committee, if and when adopted by ACI, to supersede the specification tentatively adopted In 1929 (P3-A-29T). The new specification would increase the compressive strength requirement from 5000 to 6500 psi and reduce permissible absorption from 7 to 6 percent. Has since been adopted as ACI Standard 704-44.