Fabric reinforcement of low embankments on soft foundations Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/pc289n741

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  • Nonlinear large deflection finite element analyses of a fabric reinforced embankment on muskeg were performed to predict fabric tension and the effect of fabric stiffness on embankment deflections. The predicted fabric tensions were compared with the results of a sliding block analysis, and show this simple analysis requires further correlation to develop its applicability. Predicted fabric tensions increase directly with embankment deflection and fabric stiffness. Construction live loads produce the greatest embankment deflections and fabric tensions. Time and temperature effects were not considered. For the fabric stiffnesses studied, the presence of fabric does not significantly affect embankment deflections predicted by the finite element model. The beneficial effects of fabric reinforcement noted in field installations may result from the fabric providing continuity to the real embankment that is assumed in all the finite element analyses.
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