ANALYSIS OF HIGHWAY SUBGRADE SLIP PROBLEM AND COMPREHENSIVE TREATMENT SCHEME
By means of engineering geological survey and theoretical calculation,this paper analyzes the causes of sliding and subsidence of a subgrade of an expressway in Fujian,and points out that the foot of the lower slope of the filling embankment is removed by large area and large depth,resulting in the deformation of the expressway to the airport surface.Through the simplified calculation of simulated excavation construction conditions,a comprehensive solution is proposed.Including anchor cable anti-skid pile,drainage measures and subgrade steel flower pipe grouting,etc.,aiming to provide reference for the design and construction of similar road-related engineering.
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