GSI hosts webinar on MSE wall back drainage design

May 9, 2018

The Geosynthetic Institute (GSI) will sponsor a webinar entitled “MSE Wall Back Drainage Design,” on May 23, 2018, from 11:30 a.m. to 1 p.m. EDT. Within GSI’s database of 301 failed mechanically stabilized earth (MSE) walls reinforced with geogrids or geotextiles, 64% have failed due to water. Furthermore, 73% have been constructed with fine-grained silt …

HUESKER releases video on SoilTain geotextile tubes for dewatering

April 26, 2018

HUESKER Group made public a YouTube video on the company’s SoilTain geotextile tubes for high-flow dewatering of waterlogged sediments and residues from mines, industrial plants, construction sites and sewage works, applications, the company said, that are often expensive and labor intensive if dewatering is not undertaken. The SoilTain dewatering tube is a technical textile containment …

GSI hosts webinar on MSE structure inspection

April 25, 2018

The Geosynthetic Institute (GSI) will sponsor a webinar entitled “Mechanically Stabilized Earth (MSE) Wall, Berm and Slope Construction Inspection,” on May 9, 2018, from 11:30 a.m. to 1 p.m. EDT. The inspection and monitoring of MSE wall, berm and slope construction using geosynthetic reinforcement is essential for providing a safe, durable system. Such inspection includes …

ASTM releases new geosynthetic cementitious composite mat standard

March 27, 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 …

Geogrid study initiative wins Center for Transportation Research Award

March 15, 2018

The University of Minnesota Center for Transportation Studies (CTS) selected Tensar International and its partners the winners of the 2018 CTS Research Partnership Award for their work on geogrid usage in paved road infrastructure, Tensar International said in a press release. The award recognizes a new pavement design and analysis tool, which enables geogrid benefits …

Geomembranes

January 1, 2018

Geomembrane products are engineered to help provide cost-effective solutions and to meet specific design requirements in fluid barrier, containment and other geotechnical applications. Geomembranes have been used since the 1950s and their use has steadily increased as a result of water resource concerns. It is now common to find local and state regulations calling for …

Specification change: ASTM D6364 for drainage materials

May 9, 2016

The specification ASTM D1621 will change in the next issue of the Geosynthetics Specifier’s Guide (December 2016/January 2017). The change is from: Compressive Strength at yield per ASTM D1621 kPa (psi) To: Compressive Strength at yield per ASTM D6364 units kPa (psi) For a complete explanation, read this column from the Geosynthetic Institute.

Burke announces partners for CSPE geomembranes

September 8, 2015

San Jose, Calif.-based Burke Industries announced in a Sept. 8 press release that it has established exclusive strategic partnerships with Colorado Lining International Inc. (CLI) and Layfield Environmental Systems Corp. (Layfield) for the distribution and fabrication of all Burke chlorosulfonated polyethylene (CSPE) geomembrane products and systems. The two companies will manage Burke’s CSPE geomembranes in …

New ballast system cited in landfill case studies

August 1, 2015

Introduction Exposed geomembrane cover systems such as rain covers and temporary caps are used on landfills throughout the world. While there are numerous benefits associated with exposed membranes, there are also potential hazards associated with insufficient ballasting or anchoring of the cover materials. For years owners and engineers have used various methods for ballasting exposed …

Underground gardens

Efficient landscape engineering and effective geosynthetic materials built Maple Garden Park In Taichung City, Taiwan, city dwellers wandering through Maple Garden Park are actually meandering below ground level. In November 2012, landscape engineers working with the aid of geosynthetic products converted a large hole in the heart of the city into an urban park oasis. …