Problems Analysis and Solution of Bridge Pier Displacement in Ning-Tai-Weng Highway with Soft Clay Ground

Xiang Qian Hu; Hong Gang Huang; Xue Tun Zhao; Jun Ting Long

doi:10.4028/www.scientific.net/AMR.575.137

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Problems Analysis and Solution of Bridge Pier Displacement in Ning-Tai-Weng Highway with Soft Clay Ground

Abstract:

Bridge pier moving is not a popular problem in soft clay ground section of highway but this problem is found in parts of bridge piers in Leqing section of NING-TAI-WEN expressway, which is used plastic drain bar to deal with the soft clay ground. By monitoring the bridge pier displacement and the data getting from observation of subgrade settlement this paper establishes the relation curve of subgrade settlement and bridge pier displacement and, by analyzing the characters of soft clay ground and the force acting on pile foundation, gets the reasons and presents suggestions to solve the problem.