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Title: Evaluation of load-distributing capability of T17 membrane in road construction
Authors: Burns, Cecil D.
McCall, James L.
Keywords: Membranes
Soil bearing capacities
T17 membranes
Publisher: U.S. Army Engineer Waterways Experiment Station.
Engineer Research and Development Center (U.S.)
Description: Miscellaneous Paper
Abstract: This study was conducted to determine if T17 neoprene-coated nylon membrane is effective in increasing the load-carrying capability of a soil when used in road and airfield construction. A test section approximately 15 ft wide and 100 ft long was constructed as a two-layered system consisting of a uniform-strength base (CBR ≈ 10) and a uniform-strength subgrade (CBR ≈ 4). The test section was divided into four test items, each 25 ft long. One item involved no membrane, but T17 membrane was used in various manners on the other three items. A total of 100 coverages of traffic was applied on the test section with a test load cart equipped with a 25,000-lb single-wheel load assembly with the tire inflated to produce a contact pressure of 100 psi. Comparative performance of the various test items was observed. The results of the tests indicated that no significant load-distribution benefits were derived from the membrane.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Miscellaneous Paper

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