Load Distribution on Geosynthetic Reinforcement in Column-Supported Embankments
No Thumbnail Available
Authors
Filz, George M.
Sloan, Joel
Issue Date
2013-02
Type
Other
Language
en_US
Keywords
Alternative Title
Abstract
Column-supported embankments (CSEs) are used to reduce settlements, improve stability, and prevent damage to adjacent facilities when embankments are constructed on ground that would otherwise be too weak or compressible to support the new load. Geosynthetic reinforcement is often used to help transfer the embankment loads to the columns in CSEs. This paper briefly summarizes analysis and design approaches recommended by the authors for three important and related design issues for CSEs: (1) determining the critical height above which differential settlements at the base of the embankment do not produce measurable differential settlements at the embankment surface, (2) calculating the net vertical load that acts on the geosynthetic reinforcement in the load transfer platform at the base of the embankment, and (3) calculating the tension that develops in the geosynthetic reinforcement. Regarding the last issue, three different distributions of pressure acting on the geosynthetic reinforcement have recently been discussed in the published literature: triangular, uniform, and inverse triangular. Based on the current state of knowledge, a uniform pressure distribution is recommended when using simple cable-type analyses to calculate tension in the geosynthetic reinforcement.
Description
Citation
Filz, George & Sloan, Joel. (2013). Load Distribution on Geosynthetic Reinforcement in Column-Supported Embankments. Geotechnical Special Publication. 1822-1830. 10.1061/9780784412787.183.
Publisher
ASCE