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New Fiber-Reinforced Concrete Standard Will Facilitate Flexural Post-Crack Performance Measurement
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 March 2006 Tech News

New Fiber-Reinforced Concrete Standard Will Facilitate Flexural Post-Crack Performance Measurement

ASTM International Committee C09 on Concrete and Concrete Aggregates has recently approved a new standard that will facilitate post-crack performance measurement for fiber-reinforced concrete intended for slabs- on-grade, pavements, precast elements and shotcrete. The standard, C 1609/C1609M, Test Method for Flexural Performance of Fiber-Reinforced Concrete (Using Beam With Third-Point Loading), is under the jurisdiction of Subcommittee C09.42 on Fiber-Reinforced Concrete.

“C 1609/C1609M will be prescribed by design engineers and used by test laboratories to test fiber-reinforced concrete on contract to construction contractors,” says Stefan Bernard, C09 member and director, Technologies in Structural Engineering Pyt Ltd. in Sydney, Australia. Bernard says other users will include fiber manufacturers working to improve their product and research labs investigating fiber-reinforced concrete.

Currently, post-crack parameters listed in C 1018, Test Method for Flexural Toughness and First-Crack Strength of Fiber-Reinforced Concrete (Using Beam with Third-Point Loading), are routinely specified as performance requirements for fiber-reinforced shotcrete tunnel lining projects. However, C 1609/C1609M will now be considered the preferred test method to measure post-cracking performance requirements. //

Technical Information: Stefan Bernard, Technologies in Structural Engineering Pyt Ltd, Sydney, Australia
Phone: +61-418-407-892

ASTM staff: James Olshefsky
Phone: 610/832-9714

Upcoming Meeting: June 11-14, June Committee Week
Toronto, Ontario, Canada

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