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Direct shear machine testing
July 1st, 2024
Q: We just bought a direct shear machine and want to start ASTM D5321 testing. The pneumatic piston applying the vertical loads for normal pressure has a range from a low of 1,124 pounds to a high of 20,000 pounds. Can we use this direct shear box for landfill cover testing? A: Unfortunately, your low […]
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 […]