为验证等效梁法的可靠性，运用有限元法对框架式地道桥的动力特性进行了分析。
To test and verify the reliability of equivalent beam method, finite element method is applied to the analysis on dynamic characteristic of frame style subway bridge.
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。
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.
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