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GMA Techline
August 1st, 2017
Liner repair? Pullout tests? Sewn seams? Shear strength of sludges? Geomembrane liner repair Q: I have a facility that has submitted liner repair documentation for the repair of a high-density polyethylene (HDPE) liner for a leachate/stormwater pond at an industrial landfill site. The repairs were performed using either a patch or, for indentations and small […]
Using geosynthetics for macroencapsulation for CCR on-site clean closure
August 1st, 2017
Coal combustion residuals (CCR) have been used for many years in the construction of berms and engineered structural fill applications, including embankments for highways, dikes, and levees. However, large, unencapsulated structural fill projects have become a focus of environmental concerns due to potential leaching of metals and structural failures. Cap-in-place of CCR surface impoundments is […]
Erie County DPW awarded 2015 Transportation Project of the Year
February 22nd, 2016
The American Public Works Association honored the Erie County Department of Public Works with the 2015 Transportation Project of the Year award for the Lake Avenue Reconstruction Project. The project included a full reconstruction of two miles of Lake Ave. between Abbott Rd. and Southwestern Blvd. in Orchard Park, N.Y.. Last reconstructed in the early […]
Naue updates MSE design software for FHWA, BS 8006, EuroCode 7
January 5th, 2016
Germany-based Naue GmbH & Co. KG announced in a Jan. 4 press release that it has updated and released its SecuSlope design software for mechanically stabilized earth (MSE) applications. The press release described SecuSlope 3.0 as an interactive, design-orientated program for creating geogrid-reinforced slopes, walls, and abutments. Based on a user’s project-specific inputs, the English-language […]
Marine mattress installation continues on Elliott Bay seawall project
November 30th, 2015
At the ongoing construction of the new Elliott Bay seawall in Seattle, marine mattresses are installed in front of the new face panels to create a shallow water corridor for migrating fish. Marine mattresses are rock-filled containers generally constructed with UV-stabilized co-polymer geogrid materials. Geogrid panels are laced together to form mattress-shaped baskets that are […]