既有地铁站盾构机吊装结构加固分析  

Hoisting Structure Reinforcement Analysis of Shield Machine in Subway Station

作　　者：陈磊杰 刘旭鹏 席培胜 杜春雨[1] 李冰清 CHEN Leijie;LIU Xupeng;XI Peisheng;DU Chunyu;LI Bingqing(Anhui JianZhu University,Hefei 230601,China;China Railway Tunnel Group Road and Bridge Engineering Co Ltd,Tianjin 300300,China)

机构地区：[1]安徽建筑大学土木工程学院,安徽合肥230601 [2]安徽建筑大学安徽省城市建设和地下空间工程技术研究中心,安徽合肥230601 [3]中铁隧道局集团路桥工程有限公司,天津300300

出　　处：《洛阳理工学院学报（自然科学版）》2021年第2期11-17,共7页Journal of Luoyang Institute of Science and Technology：Natural Science Edition

基　　金：安徽省高等学校自然科学重点项目(KJ2019A0745,KJ2019A0739);安徽建筑大学博士启动基金项目(2019QDZ05).

摘　　要：针对合肥火车站站前广场地下结构无法满足轨道交通1号线三期工程瑶海公园站至合肥站区间盾构机接收吊装时的荷载和位移要求的难题,采用609钢管对站前广场既有地下结构进行临时加固,基于ABAQUS数值软件模拟分析了吊装过程中加固后结构受力区域的应力和位移。结果表明:加固后,结构承载力变大,变形在允许范围内,所采用的加固方案可以达到预期目标。In this paper,a reinforcement scheme is proposed to cope with the problems of load and displacement of underground structure when the shield machine hoisted in the rail transit line 1 between Yaohai Park and Hefei Railway Station.The 609 steel pipe is used to temporarily reinforce the existing underground structure in the station square.Meanwhile,by ABAQUS numerical software,the stress and displacement of the reinforced structure in the lifting process are simulated and analyzed.The results show that the bearing capacity of the structure has been improved and the deformation is in the allowable range.It can achieve the expected goal.

关 键 词：盾构机吊装 数值模拟 609钢管加固 

分 类 号：TU391[建筑科学—结构工程]