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ASTM International’s concrete and concrete aggregates committee ( C09 ) is developing a proposed standard ( WK73384 ) that will evaluate the tensile performance of fiber-reinforced concrete using cylindrical specimens with double-punch loading. The proposed standard contains “pre- and post-peak tensile properties (that) hold great significance in fiber-reinforced concrete (FRC) and ultra-high-…, Media Inquiries:, Gavin O’Reilly, tel +1.610.832.9618; goreilly@astm.org, Committee Contact:, Scott Orthey, tel +1.610.832.9730; sorthey@astm.org Release #11676 ###
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ASTM International’s concrete and concrete aggregates committee ( C09 ) is developing a proposed standard specification for a broad range of supplementary cementitious materials (SCMs). According to ASTM International member Larry Sutter, this performance specification ( WK70466 ) will ease the adoption of new materials used for SCMs as established sources become less available. “For a variety of…, Media Inquiries:, Gavin O’Reilly, tel +1.610.832.9618; goreilly@astm.org, Committee Contact:, Scott Orthey, tel +1.610.832.9730; sorthey@astm.org Release #11659 ###
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ASTM International’s concrete and concrete aggregates committee ( C09 ) is developing a proposed standard that will be used to help measure the tensile strength of fiber reinforced concrete. According to ASTM International member Luke Pinkerton, the use of fiber reinforcement as an alternative to conventional reinforcement of various concrete structures has been limited in the construction…, Media Inquiries:, Dan Bergels, tel +1.610.832.9602; dbergels@astm.org, Committee Contact:, Scott Orthey, tel +1.610.832.9730; sorthey@astm.org Release #11599 ###
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ASTM International’s concrete and concrete aggregates committee ( C09 ) is developing a new standard for economical testing of concrete strength. The proposed standard, WK82351 , will provide a fast, simple, non-destructive method for testing concrete strength that can be performed almost anywhere. According to ASTM International member Neil Cox this method, which measures the dominant resonant…, Media Inquiries:, Dan Bergels, tel +1.610.832.9602; dbergels@astm.org, Committee Contact:, Scott Orthey, tel +1.610.832.9730; sorthey@astm.org Release #11488 ###
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A new standard practice developed by ASTM International’spedestrian/walkway safety and footwear committee ( F13 ) provides insight on the selection of walkway surfaces when considering pedestrian safety. This standard, soon to be available as F3132, outlines key elements for selecting new or planned walkway surfaces for reduced risk of slips and falls. “Current built environment design standards…, Media Inquiries:, Jaime Martorana, tel +1.610.832.9796; jmartorana@astm.org, Committee Contact:, Travis Murdock, tel +1.610.832.9826; tmurdock@astm.org Release #11109 ###
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A proposed ASTM International standard will be used to evaluate the tensile performance of fiber-reinforced concrete (FRC) using cylindrical specimens with double-punch loading. ASTM’s concrete and concrete aggregates committee (C09) is developing the proposed standard. According to ASTM International member Shih-ho Chao, Professor of civil engineering at the University of Texas at Arlington, a…, Media Inquiries:, Dan Bergels, tel +1.610.832.9602; dbergels@astm.org Committee Contact: Scott Orthey, tel +1.610.832.9730; sorthey@astm.org Release #11051 ###
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A proposed ASTM International standard aims to support use of new supplementary cementitious materials (SCMs) that are needed to continue supporting concrete sustainability. “SCMs are common industrial residuals used to bolster the sustainability of concrete by improving performance and durability while also reducing the environmental footprint of the material,” says Larry Sutter, assistant…, Media Inquiries:, Dan Bergels, tel +1.610.832.9602; dbergels@astm.org, Committee Contact:, W Scott Orthey, tel +1.610.832.9730; sorthey@astm.org Release #10937
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A proposed ASTM International specification will fill the need for a standard covering the use of colloidal silica, a versatile nanoparticle used in concrete that aids in durability. ASTM’s concrete and concrete aggregates committee ( C09 ) is developing the proposed release (WK60809). “Practical applications for colloidal silica in concrete include everything from walkway pavements to building…, Media Inquiries:, Dan Bergels, tel +1.610.832.9602; dbergels@astm.org, Committee Contact:, Scott Orthey, tel +1.610.832.9730; sorthey@astm.org Release #10922
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ASTM International’s concrete and concrete aggregates committee ( C09 ) has developed a test method aimed at improving and standardizing the way that resistance of concrete to electrical current flow helps assess its durability. According to ASTM International member R. Douglas Hooton, saturated specimens of hardened concrete are tested to see how well they resist electrical currents. Concrete’s…
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Recently-approved revisions to three footwear standards align them with each other, helping test laboratories and users have greater confidence that product conformance reports will include the most current corresponding data for both testing and performance. One of the revised standards covers test methods for foot protection ( F2412 ). The remaining two are specifications for performance…, Media Inquiries:, Dan Bergels, tel +1.610.832.9602; dbergels@astm.org, Committee Contact:, Molly Lynyak, tel +1.610.832.9743; mlynyak@astm.org Release #10670