ANSI standards list

ASTM C858-19 pdf download.Standard Specification for Underground Precast Concrete Utility Structures. 5.2 Aggregates—Aggregate shall conform to Specification C33 and light-weight aggregate shall conform to Specification C330, except that the requirements for grading shall not apply. 5.3 Admixtures—Admixtures may be used...

ASTM C857-19 pdf download.Standard Practice for Minimum Structural Design Loading for Underground Precast Concrete Utility Structures. 1.1 This practice describes the minimum live loads and dead loads to be applied when designing monolithic or sectional precast concrete utility structures. Concrete...