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针对城市中心地铁建设下穿高架桥区域,车站施工会对高架桥变形和位移产生影响,以合肥地铁2号线某车站为例,从车站与高架桥相互关系、车站开挖地层特点、车站基坑围护结构设计、基坑开挖对高架桥变形位移进行数值计算等方面进行分析,并提出相应的设计与施工经验。
In the metro construction of the city center, under the viaduct area, the construction of the station will have an impact on the deformation and displacement of the viaduct. Taking a station of Hefei Metro Line 2 as an example, from the relationship between the station and viaduct, the stratum characteristics of station excavation, Structural design, excavation of foundation pit for numerical calculation of deformation and displacement of viaduct, etc., and put forward corresponding design and construction experience.