United States Department of Transportation
i
Route 22 Over Liberty Avenue and Conrail Hillside Township, Union County, Monitoring of Tensar MSE Walls
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2011-12-01
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[PDF-4.34 MB]
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Edition:Final report; 10/01/2010-11/30/2011.
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Abstract:This report discusses the application of Tensar geogrids as the reinforcement elements in the
construction of mechanically stabilized earth (MSE) walls on the Route 22 over Conrail and Liberty
Avenue bridge replacement project in Hillside, NJ. As this is a relatively new product to the New Jersey
Department of Transportation, the geogrids were instrumented with strain gages and tiltmeters to allow
performance monitoring of the MSE walls during and after construction. This report documents the
results and findings of the monitoring data at the end of construction and after six months, as well as an
optical surveying of the MSE wall faces to determine post-construction wall movement. The monitoring
effort is in collaboration with the Federal Highway Administration’s Long Term Bridge Performance
Program.
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