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 June 2007
Tech News

New Pervious Concrete Subcommittee and Task Groups to Meet at June Committee Week

Two recently formed task groups on preparing pervious concrete specimens and research will be participating in the first meeting of the new Subcommittee C09.49 on Pervious Concrete from 8:00 to 10:00 a.m. on June 25 during the June Committee Week in Norfolk, Va. C09.49 is part of ASTM International Committee C09 on Concrete and Concrete Aggregates.

Heather Brown of Middle Tennessee State University, Murfreesboro, Tenn. (phone: 615/904-8060) is leading Task Group C09.49.01 on Research. This task group will evaluate test methods currently being considered for pervious concrete by agencies and researchers (including internationally) in an attempt to reach a consensus on which test methods seem best suited for standardization. Standards will be developed within the areas of design and quality assurance tests for pervious concrete.

Michael Davy, Rinker Materials, Orlando, Fla. (phone: 407/243-5362), is leading Task Group C09.49.02 on Preparing Pervious Concrete Specimens. This task group will develop consolidation techniques for making pervious concrete test specimens. Possible techniques include rodding, vibration, jigging, Marshall drop hammer and those discussed in ASTM C 1176, Practice for Making Roller-Compacted Concrete in Cylinder Molds Using a Vibrating Table, and ASTM C 1435/C 1435M, Practice for Molding Roller-Compacted Concrete in Cylinder Molds Using a Vibrating Hammer.

In an article in the October 2006 issue of Standardization News, Karthik Obla, chair of Subcommittee C09.49, noted that there has been a resurgence in interest in pervious concrete due to the U.S. Environmental Protection Agency’s recent recognition of its use as a best-management practice for storm water management. An increasing focus on sustainability and the green movement has also contributed to the importance of pervious concrete as a building material. “Many concrete industry experts consider pervious concrete to be the next big thing in the marketplace,” stated Obla.

More information on Subcommittee C09.49 can be found by viewing this video found at that is hosted by James Olshefsky, ASTM International staff manager of Committee C09. //

CONTACT

Technical Information: Karthik Obla, National Ready Mixed Concrete Association, Silver Spring, Md.
Phone: 210/485-1163

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

Upcoming Meeting:
June 24-27
June Committee Week
Norfolk, Va.