Chapter
Apr 26, 2012
Grout Efficiency of Lifting Structure in Soft Clay
Publication: Soils and Rock Instrumentation, Behavior, and Modeling: Selected Papers from the 2009 GeoHunan International Conference
Abstract
An inclined eight-story reinforced concrete building on a thick soft clay deposit was leveled by compensation grouting with short gel time grout injected through sleeved pipes. The monitoring system is used to record the injected grout volume, the mat foundation's heaved volume after grouting, and the mat foundation's settled volume during pore pressure dissipation. The grouting efficiencies improved from negative value to less than 1, and the stress histories of clay soils changed from normally consolidated to over-consolidated. A final compensation efficiency of 9.78% was achieved and the building was successfully leveled.
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Information
Published In
Soils and Rock Instrumentation, Behavior, and Modeling: Selected Papers from the 2009 GeoHunan International Conference
Pages: 1 - 8
Copyright
© 2009 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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Associate Professor, Dep. of Civil Engineering, National Taipei University of Technology, 1, Sec. 3, Chung-hsiao E. Rd., Taipei, 10608, Taiwan. E-mail: [email protected]
Ph.D. Candidate, College of Engineering, National Taipei University of Technology, 1, Sec. 3, Chung-hsiao E. Rd., Taipei, 10608, Taiwan. E-mail: [email protected]
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