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作 者:王国喜 WANG Guoxi(Guangzhou Metro Design&Research Institute Co.,Ltd.,Guangzhou 510030)
机构地区:[1]广州地铁设计研究院股份有限公司,广东广州510030
出 处:《福建建筑》2025年第2期109-113,共5页Fujian Architecture & Construction
摘 要:邻近地铁车站的道路工程施工对既有地铁车站的结构影响较大,分析不同施工工况对车站和隧道的影响程度,可以避免车站因周边施工产生的不利影响。在分析项目基本情况、地铁车站现状的基础上,建立三维有限元分析模型。通过规范要求,确定地铁安全控制指标,对联络通道和U型便道施工过程下隧道和车站的水平位移和变形最小曲率半径进行模拟和计算。通过研究表明,拟建项目的施工,对地铁车站和隧道区间的各方向变形影响均在安全范围内,施工引起的地铁车站及区间结构变形满足规范要求。The construction of road projects adjacent to subway stations has a significant impact on the structure of existing subway stations.Analyzing the degree of impact of different construction conditions on stations and tunnels can avoid adverse effects caused by surrounding construction.On the basis of analyzing the basic situation of the project and the current situation of the subway station,a three-dimensional finite element analysis model was established.Determine subway safety control indicators through regulatory requirements,simulate and calculate the minimum curvature radius of horizontal displacement and deformation of tunnels and stations during the construction process of connecting passages and U-shaped access roads.Research has shown that the construction of the proposed project has a safe impact on the deformation of subway stations and tunnel sections in all directions,and the structural deformation of subway stations and sections caused by construction meets the requirements of the regulations.
分 类 号:U41[交通运输工程—道路与铁道工程]
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