Analysis of Deformation in Excavation of Pile Anchor Bracing for Loess Foundation Pit
Based on deep excavation engineering of pile anchor bracing on a collapsible loess site in Xi'an,ABAQUS finite element software was used to study the deformation characteristics of the retaining structure in different depth of excavation and the surrounding soil.The result shows that,the deformation of the retaining structure and the surrounding soil increase with the increase of the excavation depth;there exists significant spacial effect in rectangular foundation pit;both the horizontal and vertical displacement of diaphragm wall,and the soil deformation behind the wall on the long sides,are larger than those on the short sides.
deep foundation pitretaining structuredeformation analysissoil settlementspacial effectdeep excavation
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