American Society of Civil Engineers

Application of Air Foam Stabilized Soil for Bridge-Embankment Transition Zone in Thailand

by Pichit Jamnongpipatkul, (Chief Engineer of Research and Development, Department of Highways, Bangkok Thailand), Montri Dechasakulsom, (Deputy Director, Bureau of Road Research and Development, Department of Highways, Bangkok, Thailand), and Jiraroth Sukolrat, (Engineer, Bureau of Road Research and Development, Department of Highways, Bangkok, Thailand)
Section: Embankment Stabilization and Tunnelling, pp. 181-193, (doi:

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Document type: Conference Proceeding Paper
Part of: Asphalt Material Characterization, Accelerated Testing, and Highway Management: Selected Papers from the 2009 GeoHunan International Conference
Abstract: Large settlement is a problem of most highway bridge approaches constructed in the lower Choa Phraya river basin of the Kingdom of Thailand. The presence of thick and highly compressible soft clay layer in these areas usually results in differential settlement between bridge superstructures and highway embankments. Moreover, it also affects driving comfort of the traveling public. There are many alternatives that can be used to prevent the vertical movement, and use of lightweight material is one of the alternatives. Recently, Thailand’s department of highways (DOH) has initiated a project for use of light weight soil to reduce settlement under bridge approaches. The test section was located on highway number 35, at the kilometer post of 72+712.5 to 72+775.0. Geotechnical instrumentation was also installed at the tested site for material behavior study.

ASCE Subject Headings:
Highway bridges
Soil stabilization