All of the industry documents shown in the slide contain guidance on the
volume of entrained air required for specific exposures conditions. All of
these documents also allow the one percent reduction in air content for
concrete with a compressive strength greater than 5,000 psi (35 MPa).
ACI 211.1, "Standard Practice for Selecting Proportions for Normal,
Heavyweight, and Mass Concrete."
ACI 318, "Building Code Requirements for Structural Concrete."
ASTM C 94, "Standard Specification for Ready-Mixed Concrete."
The Silica Fume Association
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Tel: 540.257.4224 Fax: 540.822.9456