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Application of soil-cement deep mixing columns with different cross-section parts to the treatment of soft soil
Author(s): 
Pages: 22-26
Year: Issue:  3
Journal: Geotechnical Investigation & Surveying

Keyword:   different cross-section; bi-directional mixing; column strength; bearing capacity; economic efficiency ;
Abstract: The application of the bi-directional soil-cement deep mixing columns with different cross-section used in expressway engineering is briefly described,and the corresponding construction equipments and techniques are explained in detail. The column quality,bearing capacity and economic efficiency of the columns are compared with those of the common soil-cement deep mixing columns adopted in different construction sections along the expressway through the field tests and theoretical analysis.The results indicate that the said columns are of the superior engineering characteristics and the good economic efficiency for the treatment of soft soil.
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