Text from TRB: TRB’s National Cooperative Highway Research Program (NCHRP) Web-Only Document 187: Seismic Design of Geosynthetic-Reinforced Soil Bridge Abutments with Modular Block Facing explores design methods and construction guidelines for using geosynthetic-reinforced soil (GRS) systems in bridge abutments in seismically active regions. [Source: TRB. Image: TRB]
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ASTM Updates September 2009
This post contains a summary of geotechnical, materials testing, geosynthetic and related testing standards that were updated by ASTM during the month of September. This month there were not as many updates as the last couple, but a few that caught my eye are a new standard for measuring geosynthetic-soil resilient interface shear stiffness, a revision to the standard practice for laboratories testing concrete and concrete aggregates for use in construction and criteria for laboratory evaluation and a revision to the standard for measuring slump flow of self-consolidating concrete.
New Company Syntec acquires portion of Tenax
Tenax is a well known name in the geosynthetics industry. Recently a new company, Syntec, acquired portions of Tenax. From GeosyntheticsMagazine.com: According to a press release distributed Oct. 13, Syntec acquired the assets related to […]
Possible Seepage at Newly Constructed New Orleans Levee
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