Geofoam Applications in the Design and Construction of Highway Embankments (2004) / Chapter Skim
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Pages 12-16
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From page 12... ...
ix GUIDELINES FOR GEOFOAM APPLICATIONS IN EMBANKMENT PROECTS SUMMARY Construction of roadway embankments on soft foundation soils, such as peats or soft clays, has long been problematic. The two main approaches for coping with the problem is to improve the engineering properties, e.g., shear strength and compressibility, of the foundation soils or reduce the weight of the embankment and thus the load applied to the problematic foundation soils.
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From page 13... ...
x low density of EPS-block geofoam, alleviates the need to acquire additional right-of-way to construct flatter slopes because of the low density of EPS-block and/or the use of a vertical embankment, applies less lateral stress to bridge approach abutments, can be used over existing utilities which reduces or eliminates utility relocation, and exhibits excellent durability. EPSblock geofoam has been used as lightweight fill worldwide since at least 1972, which corresponds to a road project in Norway.
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From page 14... ...
xi Organization of Report The report is divided into two parts. The first part of the report, which consists of thirteen chapters, is concerned with the design of EPS-block geofoam roadway embankments.
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From page 15... ...
xii summary of several case histories that have successfully incorporated EPS-block geofoam into roadway embankments and slope stabilization applications. Chapter 12 provides cost information to allow a cost estimate for the geofoam embankment to be prepared during the design phase so that an optimal geofoam design can be selected.
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From page 16... ...
xiii P units. The one exception to the dual SI and I-P unit usage involves the quantities of density and unit weight.
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