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The excessive longitudinal horizontal displacement of pier top has become one of the common defects of high-pier bridge, which seriously affects the safety of the bridge structure. In order to determine the influencing factors of the horizontal displacement of the pier top of high-pile and high-pier bridges, this paper establishes the finite element model of the whole bridge based on the high-pile and high-pier bridge of the Qianhuang Expressway, and considers the influence of dead load, vehicle load, vehicle braking force, temperature load, bearing friction coefficient, and bearing under eccentric compression on the horizontal displacement of the pier top. By comparing and analyzing the law of various factors influence on the horizontal displacement of the pier top, the main causes of the horizontal displacement of the pier top of high-pile and high-pier bridges are summarized, which can provide reference for the analysis of pier top deviation of similar high-pile and high-pier bridges.

Analysis of Factors Affecting Horizontal Displacement of Pier Top of High-Pile and High-Pier Bridge