Model Tests on Discontinuities in Subsurface Barrier Installed by the Vibrating Beam Method
Publication: Journal of Geotechnical and Geoenvironmental Engineering
Volume 134, Issue 4
Abstract
In the present note, the susceptibility to necking of a subsurface barrier installed by the vibrating beam method in fine-grained soils is investigated by physical model tests. Two soils are investigated, a clayey soil and a silty soil. The model soil is prepared by moist tamping. The recipe of slurry in the model tests is widely used in the foundation engineering industry. The dynamic loading exerted by the vibration of the adjacent panel is simulated by a shake table. The test results show that soil plasticity and water content are the major influence factors on the susceptibility to necking. The plasticity index can be used as an indicator for the susceptibility to necking of subsurface barrier installed by the vibrating beam method in fine-grained soils. Other influence factors on necking are also investigated and their implications for practice are discussed.
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Acknowledgments
This paper is based on two MSc theses in our institute. We wish to thank our students Dipl.-Ing. Andreas Lutschounig and Dipl.-Ing. Thomas Wieczorek.
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Information & Authors
Information
Published In
Journal of Geotechnical and Geoenvironmental Engineering
Volume 134 • Issue 4 • April 2008
Pages: 541 - 546
Copyright
© 2008 ASCE.
History
Received: Jan 19, 2007
Accepted: Aug 16, 2007
Published online: Apr 1, 2008
Published in print: Apr 2008
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