AASHTO M80-1987 Standard Specification for Coarse Aggregate for Portland Cement Concrete Twentieth Edition R(1999) was changed to AASHTO M 80-2008 Standard Specification for Coarse Aggregate for Hydraulic Cement Concrete.
AASHTO M80-1987 Standard Specification for Coarse Aggregate for Portland Cement Concrete Twentieth Edition R(1999) was changed to AASHTO M 80-1987 Standard Specification for Coarse Aggregate for Portland Cement Concrete.
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