钢管混凝土格构式桥塔塔台结合部受力分析

Force analysis on Junction of Concrete-filled Steel Tube Lattice Bridge Pylon

摘要:

为得到钢管混凝土格构式桥塔塔台结合部真实受力情况，考虑相对滑移、承压接触和连接件作用，建立了结合部实体有限元模型，分析了结合部混凝土、钢结构、连接键的受力情况，同时对结合部关键构造进行了参数化分析。结果表明：桥塔塔台结合部各部件受力良好，其构造形式和构造长度对结构力学行为影响明显。

Abstract:

In order to obtain the true force situation at the junction of concrete-filled steel tube lattice bridge pylon, and considering the relative slip, pressure bearing contact and the action of connectors, a solid finite element model of the junction is established to analyze the force situation of the junction concrete, steel structure and connection keys. And the parameterized analysis is carried out on the key structures of the junction. The results show that the force of each component at the junction of bridge pylon is good. Its structural form and length have a significant impact on the mechanical behavior of the structures.