Stabilization of Embankment Slope with Geofoam

A case history is presented describing the use of expanded polystyrene (EPS) geofoam blocks to treat an unstable roadway embankment slope involving clayey soils. The selection of the geofoam treatment was based upon its ability to be constructed and have the least impact on both the environment and...

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Published in:Transportation research record 2000, Vol.1736 (1), p.94-102
Main Authors: Jutkofsky, Walter S., Teh Sung, J., Negussey, Dawit
Format: Article
Language:English
Subjects:
Applied sciences
Buildings. Public works
Exact sciences and technology
Geotechnics
Materials
Miscellaneous
Plastics
Road construction. Pavements. Maintenance
Stabilization. Consolidation
Transportation infrastructure
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Teh Sung, J.
Negussey, Dawit
description A case history is presented describing the use of expanded polystyrene (EPS) geofoam blocks to treat an unstable roadway embankment slope involving clayey soils. The selection of the geofoam treatment was based upon its ability to be constructed and have the least impact on both the environment and adjacent homeowners. The site subsurface conditions, engineering properties of EPS, design analysis, and construction phases are reviewed. Potential traffic safety problems associated with differential icing of roadways caused by the presence of geofoam blocks beneath the pavements were minimized by using a thicker subbase layer in the geofoam-treated area. Data from an instrumentation program consisting of an inclinometer, extensometers, and thermistors are presented. Pavement temperature readings collected from areas with and without geofoam treatment are compared to investigate potential differential icing on the roadway.
doi_str_mv 10.3141/1736-12
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source Sage Journals Online
subjects Applied sciences
Buildings. Public works
Exact sciences and technology
Geotechnics
Materials
Miscellaneous
Plastics
Road construction. Pavements. Maintenance
Stabilization. Consolidation
Transportation infrastructure
title Stabilization of Embankment Slope with Geofoam
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