0-6716 : design parameters and methodology for mechanically stabilized earth (MSE) walls.
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2013-08-01
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Abstract:Since their appearance in the 1970s, mechanically
stabilized earth (MSE) walls have become a majority
among all types of retaining walls due to their economics
and satisfactory performance. The Texas Department of
Transportation (TxDOT) has primarily adopted the
guidelines published by the Federal Highway
Administration and the American Association of State
Highway and Transportation (AASHTO) for design of MSE
walls. However, TxDOT engineers have expressed
concerns about both design assumptions and
methodology, including soil parameter selection, to meet
the required stability limits and possible failure
modes. Validation of the assumptions and design methods
is needed now since these uncertainties may lead to
serviceability issues.
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