The committee of ASTM International, a globally recognised leader in the development and delivery of voluntary consensus standards, is creating a standard to support the emergence of a geosynthetic material that is increasingly used in soil erosion protection and other construction projects.
All interested parties are invited to participate in the testing method WK49719, Test Method for Determining the Flexural Strength of a Geosynthetic Cementitious Composite Mat (GCCM) Using the Three-Point Bending Test.The committee of ASTM International, a globally recognised leader in the development and delivery of voluntary consensus standards, is creating a#
GCCMs are frequently used as a protection layer in channel or ditch lining applications, protecting soil from erosive forces. In addition, GCCMs can serve as temporary lining for corrugated metal culvert inverts.
Manufacturers can use the proposed standards. Laboratories that are asked to test materials submitted for use on a construction project could also use the standard for their work, according to a press release.
ASTM member John Paulson, a consultant with Dison Supply LLC said, “This material is complicated in that it has geosynthetic-like behaviour when dry and when wet, but becomes a fibre-reinforced cement composite material when hardened or cured. Existing standards do not directly address these multiple phases of the material, which is why this standard and possibly others are being proposed.” (GK)
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