With the finite element software, the influence on the structure is calculated of metro excavation under large span obliquely intersected framed underpass bridge constructed with jacking method.
借助大型有限元分析软件，对大跨度斜交顶进框架式地道桥底板下开挖地铁对地道桥结构的影响进行较深入的探讨。
Abstract: construction technology of underpass railway jacking frame bridge is complex, different design and construction technology will have a greater impact on the project cost.
摘要：下穿铁路顶进框架桥的施工技术复杂，选用不同的设计方案和施工技术会对工程造价产生较大影响。
The mechanical performance of the underpass bridge based on the all kinds of load combinations happened in the jacking construction process was studied.
根据地道桥在顶进施工过程中遇到的各种荷载组合，探讨其力学特性。
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