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Geotechnical materials testing lab opens in Georgia
February 24th, 2022
The geotechnical materials testing lab for Golder Associates Inc. in Norcross, Ga., will test geosynthetic, geotechnical, aggregate and concrete materials. The Golder Associates Inc. construction materials testing lab in Norcross, Ga., opened on Feb. 21, 2022. Photograph courtesy of Golder Associates Inc. A Golder Associates Inc. construction materials testing services laboratory destroyed by arson in […]
Five geosynthetics performance tests to ensure suitability for your application
November 8th, 2021
An employee of e2 Technical Textiles tests geosynthetics in the lab. Photograph courtesy of e2 Technical Textiles. Technical textiles are versatile with widespread applications. For a product to perform optimally in its application, the manufacturer must carefully consider the technical factors required of the coated fabric in the research and development phase. Performance testing helps […]
GSI to host webinar on testing of geosynthetics
May 3rd, 2021
The Geosynthetic Institute (GSI) will sponsor a webinar, “Testing of Geosynthetics,” on May 12, from 11:30 a.m. to 1 p.m. EDT. Geosynthetic Materials Association (GMA) member companies and their employees receive discounted rates on all GSI webinar and short course registrations. There are more than 250 different geosynthetic-specific test methods covered by consensus in ASTM […]
Comparative analysis of the flow and filtration capabilities of sediment retention devices—Part 2
April 1st, 2021
By James E. Sprague and C. Joel Sprague Sediment retention devices (SRDs) include silt fences, wattles, filter logs, compost socks and various types of stormwater inlet protectors. They are a widely used best management practice (BMP) to provide sediment filtration from stormwater runoff while allowing water passage. However, SRD performance varies greatly in flow rate […]
Comparative analysis of the flow and filtration capabilities of sediment retention devices—Part 1
February 1st, 2021
By James E. Sprague and C. Joel Sprague Sediment retention devices (SRDs) include silt fences, wattles, filter logs, compost socks and various types of stormwater inlet protectors and are a widely used best management practice (BMP) to provide sediment filtration from stormwater runoff while allowing water passage. However, SRD performance varies greatly in flow rate […]
Geocomp introduces bi-directional shear testing machine
August 24th, 2018
Geocomp announced in August it has released an addition to the company’s series of fully-automated laboratory soil testing systems: a Bi-Directional Cyclic Direct Simple Shear (BDCDSS) machine. This table-top unit allows simple shear testing to be performed in two orthogonal horizontal directions rather than the standard single horizontal direction. This system can mimic the stresses […]
QA/QC for geosynthetics in waste containment is focus of GSI course
June 26th, 2018
The Geosynthetic Institute (GSI) will host an online course entitled “Course 1: Quality Assurance/Quality Control of Geosynthetics in Waste Containment Facilities,” Oct. 16–18, 2018, from 11 a.m. to 12:30 p.m. and from 2 p.m. to 3:30 p.m. EDT each day. Robert M. Koerner and George Koerner will teach the course. This is the first GSI […]
Geocomp hires Epstein as Southeast regional manager
May 3rd, 2018
Geocomp, a geostructural consulting, design, instrumentation and testing company, hired Aaron C. Epstein, P.E., to lead the consulting division in the company’s Atlanta, Georgia, offices in the position of Southeast regional manager, the company said. Epstein will develop Geocomp’s southeastern U.S. geostructural engineering services, expand opportunities for structural health monitoring and geotechnical instrumentation/monitoring, and support […]
Reviving the Palos Verdes Reservoir—Part 2
April 1st, 2018
The October/November 2016 issue of Geosynthetics published Part 1 of this series on revitalizing the Palos Verdes Reservoir in Los Angeles County, California. That article described the approach to revitalizing the site, as well as the five-month-long geosynthetic manufacturing and fabrication phase. In Part 2, we continue to explore more of the inner workings for […]
GMA announces Waste Containment System Design technical seminar in Syracuse in April
March 8th, 2018
On March 7, 2018, the Geosynthetic Materials Association (GMA) announced the opening of registration for a technical seminar on “Waste Containment System Design” at the Crowne Plaza in Syracuse, New York, April 17–18, 2018. The technical seminar will identify how vertical expansions of landfills can raise a number of engineering concerns that must be evaluated […]