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Heavy Structures Supported by Soil-Cement Columns
Deep soil mixing and jet grouting have been widely used to construct soil-cement columns for the support of heavy structures such as tanks, cement silos, and storage buildings. Although the installation methods may vary with deep soil mixing or jet grouting, the end product of soil-cement columns will behave similarly under the heavy structure loads. In many cases, the soil-cement mass treatment option offers the owner substantial savings over driven/drilled pile programs, and will allow some projects to become financially feasible, that may have otherwise been disregarded due to the excessive costs encountered with conventional foundation systems This paper covers design methodology, production work, and quality control and testing, with supporting figures for three recent ground improvement projects. The design considerations include the static settlement, and column group bearing capacity under the structure static and seismic loads. Extensive field and laboratory tests were performed to investigate the soil-cement strength and modulus. The ground. improvement programs on these three projects were proven successful under real operational loads.
Heavy Structures Supported by Soil-Cement Columns
Deep soil mixing and jet grouting have been widely used to construct soil-cement columns for the support of heavy structures such as tanks, cement silos, and storage buildings. Although the installation methods may vary with deep soil mixing or jet grouting, the end product of soil-cement columns will behave similarly under the heavy structure loads. In many cases, the soil-cement mass treatment option offers the owner substantial savings over driven/drilled pile programs, and will allow some projects to become financially feasible, that may have otherwise been disregarded due to the excessive costs encountered with conventional foundation systems This paper covers design methodology, production work, and quality control and testing, with supporting figures for three recent ground improvement projects. The design considerations include the static settlement, and column group bearing capacity under the structure static and seismic loads. Extensive field and laboratory tests were performed to investigate the soil-cement strength and modulus. The ground. improvement programs on these three projects were proven successful under real operational loads.
Heavy Structures Supported by Soil-Cement Columns
Shao, Lisheng (author) / Ivanetich, Ken (author)
GeoShanghai International Conference 2010 ; 2010 ; Shanghai, China
Ground Improvement and Geosynthetics ; 125-130
2010-05-14
Conference paper
Electronic Resource
English
Columns , Mixing , Grouting , Soils , Expansive soils , Cement , Soil stabilization , Soft soils , Geosynthetics , Soil pollution
Heavy Structures Supported by Soil-Cement Columns
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