水中钢栈桥结构设计及有限元分析研究——以螳螂川特大桥水中基础工程为例

Research on Structural Design and Finite Element Analysis of Underwater Steel Trestle——Taking Tanglangchuan Extra-large Bridge Underwater Foundation Project as an Example

螳螂川特大桥水中基础工程采用钢栈桥,作为施工材料及施工设备运输的专用通道。钢栈桥施工架设便捷简,且架设材料可以重复利用。文章以螳螂川特大桥水中钢栈桥工程为研究背景,对其结构设计进行阐述,并借助有限元软件Midas Civil对结构进行受力分析,对四种不同荷载工况下钢栈桥的应力、位移和结构稳定性进行分析。

The steel trestle is used as the special channel for the transportation of construction materials and construction equipment in the underwater foundation project of Tanglangchuan Extra-large Bridge. The construction and erection of steel trestle is convenient and simple, and the erection materials can be reused. Taking the underwater steel trestle project of Tanglangchuan Extra-large Bridge as the research background, this paper expounds its structural design, and analyzes the stress, displacement and structural stability of the steel trestle under four different load conditions by means of the finite element software Midas Civil.