盾构下穿有轨电车桩基对上部结构的影响分析  

Analysis of the influence of shield tunneling under tram pile foundation on superstructure based on field measurement

作　　者：梅君 郭易东 卢姚 张长顺 李兴高[2] Mei Jun;Guo Yidong;Lu Yao;Zhang Changshun;Li Xinggao(Shanghai Tunnel Engineering Company,Shanghai 200232,China;School of Civil Engineering,Beijing Jiaotong University,Beijing 100044,China)

机构地区：[1]上海隧道工程有限公司,上海200232 [2]北京交通大学土木建筑工程学院,北京100044

出　　处：《山西建筑》2023年第13期156-159,193,共5页Shanxi Architecture

摘　　要：以南京地铁10号线王武庄站—石杨东站区间盾构下穿有轨电车为实际工程背景,采用现场实测的手段,分析了盾构下穿对有轨电车轨道及站台沉降的影响。研究结果表明:有轨电车左线轨道的最大沉降为6.065 mm,发生在测点10,最大隆起为4.713 mm,发生在测点9,有轨电车右线轨道的最大沉降为3.395 mm,发生在测点3,最大隆起为1.960 mm,发生在测点10,有轨电车轨道中线的最大沉降为2.637 mm,发生在测点2,最大隆起为1.693 mm,发生在测点6,均满足沉降要求。有轨电车站台左侧的最大沉降为1.735 mm,发生在测点1,最大隆起为1.403 mm,发生在测点3,有轨电车站台右侧的最大沉降为3.235 mm,发生在测点6,最大隆起为1.913 mm,发生在测点6,均满足沉降要求。Taking the Wangwuzhuang Station-Shiyang East Station section of Nanjing Metro Line 10 as the practical engineering background,the influence of shield underpass on the tram track and platform settlement is analyzed by means of field measurement.The research results show that the maximum settlement of tram left track is 6.065 mm,which occurs at measuring point 10,the maximum uplift is 4.713 mm,which occurs at measuring point 9,the maximum settlement of tram right track is 3.395 mm,which occurs at measuring point 3,the maximum uplift is 1.960 mm,which occurs at measuring point 10,and the maximum settlement of tram center line is 2.637 mm,which occurs.The maximum settlement on the left side of the tram platform is 1.735 mm,which occurs at measuring point 1,the maximum uplift is 1.403 mm,which occurs at measuring point 3,the maximum settlement on the right side of the tram platform is 3.235 mm,which occurs at measuring point 6 and the maximum uplift is 1.913 mm,which all meet the settlement requirements.

关 键 词：盾构下穿 有轨电车 结构沉降 现场实测 

分 类 号：TU433[建筑科学—岩土工程]