基于土体位移的桥台桩侧向反应分析

Analysis on Lateral Effects of the Piled Bridge Abutments Based on Soil Displacement

当高速公路与桥梁的连接段存在较大厚度的软土层时,路基软土将在上覆路堤荷载作用下,发生侧向变形,此时的桥台桩将承受来自于土体水平移动引起的侧向荷载。土的侧向荷载对桥台桩基的水平位移和弯曲变形具有重大影响,往往导致桥台桩身发生挠曲甚至破坏。因此有必要对桥台桩的变形机制,不同模式下桩侧压力的产生机理及桩的几种破坏模式进行分析,从而为进一步研究提供理论依据。

When there is thick soft subgrade will have lateral displacement loading due to horizontal displacement horizontal displacement and deflections Therefore, it is necessary to study the soil layer of at sections connecting highway with bridge, soft soil under the lateral load, and the piles will also bear the lateral of soil. The lateral load will have a significant influence on in the piles, which leads to deflections and even damages. deflection mechanism of bridge piles, formulation mechanism of lateral pressure under different patterns and several for further study. damage patterns, which can provide theoretical basis