ASTM C09 eyes standard for fiber reinforced concrete tensile strength

Sources: ASTM International, West Conshohocken, Pa.; CP Staff ASTM Committee C09 on Concrete and Concrete Aggregates aims to provide data enabling the engineering community to evaluate fiber performance through WK60666 New Practice for Direct Tension Testing of Fiber Reinforced Concrete, a proposed standard presently in the working phase. 

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ASTM A01 recognizes new high-strength steel grades in PC strand standard

Sources: ASTM International, West Conshocken, Pa.; CP staff

ASTM Committee A01 on Steel, Stainless Steel and Related Alloys has approved the inclusion of grades 310, 325, 340 product in A416/A416M, Specification for Low-Relaxation, Seven-Wire Steel Strand for Prestressed Concrete, representing a 15- to 25-percent increase in minimum tensile strength from existing grades. A new annex in the standard will reference the three grades.

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