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Analysis on the inspection of liquefaction soil treatment by gravel columns
Pages: 11-15
Year: Issue:  7
Journal: Geotechnical Investigation & Surveying

Keyword:  gravel columnsground treatmentliquefactioninspection;
Abstract: The liquefaction soil is treated by gravel columns and the effect is inspected after the treatment. The compaction and length of gravel columns is tested by the dynamic penetration test( DPT),and the columns shaft material and the clayey soil content between columns is determined by laboratory tests. The standard penetration test( SPT) is performed in the soil between columns to investigate the improvement effect and determine whether liquefaction is eliminated,and static plate load test( PLT) is carried out to determine the bearing capacity of composite ground. It is proved that the gravel column could treat the liquefaction ground after comprehensive analysis. The paper could provide a reference for the similar design,construction and inspection works.
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