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New ASTM International standard will help in construction with GCLs
August 2nd, 2018
A newly released ASTM International standard will help those who construct and install geosynthetic clay liners (GCLs), which are used to help with containment for: landfills coal combustion residual storage cells mining operations remediation and environmental protection projects The new standard (D8204) focuses on evaluating both best practices as well as possible negative impacts of […]
Geocomposite lamination strength ASTM test method: Time for an update
August 1st, 2018
Recent project experience that included continuous peel testing across the roll width of geocomposite materials has shed light on the issue of peel strength between geotextiles and geonets that are heat-bonded together. The variability of peel strength across a roll width is found to be much greater than expected, with the typical standard deviation often […]
WisDOT publishes study on geotextile puncture test methods
June 1st, 2018
The Wisconsin Department of Transportation (WisDOT) and the Federal Highway Administration (FHWA) funded research into puncture test methods for geotextiles, and the report from this study is now available online. Various tests are conducted to assess and classify a geotextile’s suitability for different applications. One of these tests is the puncture strength test. This test […]
TenCate supports GMA
April 11th, 2018
Since the mid-1980s, TenCate Geosynthetics has been an active member of the Geosynthetic Materials Association (GMA), a division of the Industrial Fabrics Association International (IFAI), the parent company of Geosynthetics magazine. GMA provides engineering support, business development opportunities, educational programming, government relations expertise and industry recognition to its member companies. TenCate said that of particular […]
HUESKER’s Olsta to be honored by ASTM
April 5th, 2018
Based in Chicago, HUESKER Inc.’s business area manager for Tektoseal Jim Olsta will be honored with the American Society of Testing and Material (ASTM) International’s Richard S. Ladd Standards Development Award on June 25, 2018, at the main meeting of the ASTM Committee D18 on Soil and Rock in San Diego, California. “When Jim Olsta […]
ASTM releases new geosynthetic cementitious composite mat standard
March 27th, 2018
The American Society for Testing and Materials (ASTM) released a standard March 26, 2018, for geosynthetic cementitious composite mats (GCCM), a new family of materials that can help control erosion, protect slopes and berms, and line ditches and culverts. The new standard (D8173) identifies proper layout, installation and hydration procedures for GCCM. It also describes […]
TRB offers webinar on geofoam applications for slope stability
July 18th, 2017
The Transportation Research Board (TRB) will conduct a webinar on July 27, 2017, from 2:00 to 3:30 p.m. EDT, that discusses ways to use geofoam to address slope-stability problems. Moderated by Mohammed Mulla of the North Carolina Department of Transportation, the webinar panel includes David Arellano of the University of Memphis, Steven Bartlett of the […]