Combining with the factual engineering examples, the paper adopts the finite element modeling to analyze the influence of the foundation pit excavation of subway station on surrounding flyover＇ s piles, and concludes the deformation law of the bridge piles, so as to provide the direction for the struetural design of the station.%结合实际工程实例，采用有限元法建模分析了地铁车站基坑开挖对临近跨线桥桥桩的影响，进而得到桥桩的变形规律，为车站结构设计提供了理论指导。
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