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Indoor experimental study on soft ground improvement by surcharge preloading method
Pages: 36-39
Year: Issue:  9
Journal: Geotechnical Investigation & Surveying

Keyword:  surcharge preloading methodindoor testsoft soil groundground treatment;
Abstract: The changing rule of water content,void ratio,liquid limit index,compression modulus,UU(cu、u) of the soft soil and the compression modulus,dynamic penetration blows of the coarse gained soil underneath the soft soil before and after the preloading is discussed in the ground treatment project in Ningbo-Zhoushan Port.The mechanism of preloading treatment is analyzed.The test results show that all the physical mechanical property indices of the upper soft soil are improved obviously,but the improvement of the lower coarse grained soil indices are not obvious after the preloading.It is proved that the soft soil treated by surcharge preloading method is effective.
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