Journal of Jilin University(Earth Science Edition) ›› 2021, Vol. 51 ›› Issue (5): 1441-1451.doi: 10.13278/j.cnki.jjuese.20200246

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Study on Deformation Characteristics of Ventilation Shaft Section in Foundation Pit Excavation Adjacent to Railway

Li Liyun, Wang Ziying, Wang Xiaojing, Du Xiuli   

  1. Key Laboratory of Urban Security and Disaster Engineering of Ministry of Education, Beijing University of Technology, Beijing 100124, China
  • Received:2020-11-03 Online:2021-09-26 Published:2021-09-29
  • Supported by:
    Supported by the Science and Technology Planning Project of Beijing (Z181100009018001) and the Science and Technology Fund of Beijing University of Technology to Graduate (ykj-2018-00601)

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51

Abstract: In this paper, for a deep foundation pit of an underground station in Changchun, the instability crisis and its mechanism in the ventilation shaft section during the excavation of the foundation pit are studied in depth. Through the analysis of the horizontal displacement of the pile body, the horizontal displacement of the pile top, the support axial force of the bracing, and the settlement difference of the shoulders on both sides of the railway track, the major causes of the excessive deformation of the foundation pit in the ventilation shaft section are discussed. Then, the construction process of the foundation pit is simulated using ABAQUS finite element software, and the instability mechanism of the foundation pit in the ventilation shaft section is analyzed. The results demonstrate that the excessive deformation of the foundation pit in the ventilation shaft section is caused by the coupling of the excessive stress release of strata and the spatial effect of the foundation pit deformation. The spatial effect of the foundation pit deformation in the ventilation shaft section is remarkable due to the existence of positive corner in the ventilation shaft and the absence of diagonal bracing during construction, and the pit wall produces torsional deformation pointing to the inside of the ventilation shaft. The excessive excavation and unsuitable support installation lead to the excessive stress release in strata, which causes the excessive deformation of retaining piles and deteriorates the stability of the foundation pit.

Key words: foundation pit, deformation characteristics, construction process, numerical simulation

CLC Number: 

  • TU43
[1] 楼春晖, 夏唐代, 刘念武. 软土地区基坑对周边环境影响空间效应分析[J]. 岩土工程学报, 2019, 41(增刊1):249-252. Lou Chunhui, Xia Tangdai, Liu Nianwu. Spatial Effects of Deformation due to Excavation in Soft Clay[J]. Chinese Journal of Geotechnical Engineering, 2019, 41(Sup. 1):249-252.
[2] 张治国, 赵其华, 鲁明浩. 邻近深基坑开挖的历史保护建筑物沉降实测分析[J]. 土木工程学报, 2015, 48(增刊2):137-142. Zhang Zhiguo, Zhang Qihua, Lu Minghao. Analysis on Settlement Monitoring of Historical Protective Buildings Adjacent to Deep Foundation Pit Excavation[J]. China Civil Engineering Journal, 2015, 48(Sup. 2):137-142.
[3] 刘念武, 龚晓南, 俞峰, 等. 软土地区基坑开挖引起的浅基础建筑沉降分析[J]. 岩土工程学报, 2014, 36(增刊2):325-329. Liu Nianwu, Gong Xiaonan, Yu Feng, et al. Settlement of Buildings with Shallow Foundations Induced by Excavation in Soft Soils[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(Sup. 2):325-329.
[4] 黄钟晖, 杨磊. 广西大学地铁车站深基坑变形监测数据分析[J]. 工程地质学报, 2013, 21(3):459-463. Huang Zhonghui, Yang Lei. Analysis of Deformation Monitoring Data from Deep Excavation for Guangxi University Subway Station[J]. Journal of Engineering Geology, 2013, 21(3):459-463.
[5] 叶帅华, 李德鹏. 复杂环境下深大基坑开挖监测与数值模拟分析[J]. 土木工程学报, 2019, 52(增刊2):117-126. Ye Shuaihua, Li Depeng. Monitoring and Simulation Analysis of Deep and Large Foundation Pit Excavation in Complex Environment[J]. China Civil Engineering Journal, 2019, 52(Sup. 2):117-126.
[6] 张新东, 姚爱军. 某深基坑围护桩结构性态监测与数值模拟研究[J]. 地下空间与工程学报, 2011, 7(6):1138-1142. Zhang Xindong, Yao Aijun. Study on Behavior Monitoring and Numerical Simulation of Retaining Pile Structure in a Deep Foundation Pit[J]. Chinese Journal of Underground Space and Engineering, 2011, 7(6):1138-1142.
[7] 张新东. 邻近铁路深基坑支护结构及路基安全性控制研究[D]. 北京:北京工业大学, 2012. Zhang Xindong.Study on the Retaining Structure of Deep Foundation Pit and Safety Control of Subgrade Close to Railway[D]. Beijing:Beijing University of Technology, 2012.
[8] 张明聚, 何欢, 李春辉.明挖地铁车站围护结构受力变形监测与数值模拟分析[J]. 北京工业大学学报, 2013, 39(6):875-880. Zhang Mingju, He Huan, Li Chunhui. Deformation and Force Analysis on Retaining Structure of an Open-Excavated Subway Station by Monitoring and Numerical Simulation[J]. Journal of Beijing University of Technology, 2013, 39(6):875-880.
[9] 刘杰, 姚海林, 任建喜. 地铁车站基坑围护结构变形监测与数值模拟[J]. 岩土力学, 2010, 31(增刊2):456-461. Liu Jie, Yao Hailin, Ren Jianxi.Monitoring and Numerical Simulation of Deformation of Retaining Structure in Subway Station Foundation Pit[J]. Rock and Soil Mechanics, 2010, 31(Sup. 2):456-461.
[10] 胡德省, 刘彬. 基于数值模拟分析的基坑变形特征研究[J]. 土工基础, 2019, 33(3):339-342, 346. Hu Desheng, Liu Bin. Numerical Analysis on the Deformation Characteristics of a Deep Excavation[J]. Soil Engineering and Foundation, 2019, 33(3):339-342, 346.
[11] 王丽丽. 地铁深基坑开挖现场监测及有限元分析[D]. 兰州:兰州理工大学, 2018. Wang Lili. On-Site Monitoring and Finite Element Analysis of Deep Excavation of Subway[D]. Lanzhou:Lanzhou University of Technology, 2018.
[12] 王晓静, 李立云, 杜修力, 等. 削桩施作诱发基坑本体力学响应数值分析[J]. 防灾科技学院学报, 2020, 22(3):10-17. Wang Xiaojing, Li Liyun, Du Xiuli, et al. Numerical Analysis of Foundation Pit Mechanical Response Induced by Pile Cutting[J]. Journal of Institute of Disaster Prevention, 2020, 22(3):10-17.
[13] Faheem Hamdy, Cai Fei, Ugai Keizo, et al. Two-Dimensional Base Stability of Excavations in Soft Soils Using FEM[J]. Computers and Geotechnics, 2003, 30(2):141-163. doi:10.1016/S0266-352X(02)00061-7.
[14] 杨雪强, 刘祖德, 何世秀. 论深基坑支护的空间效应[J]. 岩土工程学报, 1998, 20(2):74-78. Yang Xueqiang, Liu Zude, He Shixiu. Research about Spatial Effect of Deep Pit Supporting[J]. Chinese Journal of Geotechnical Engineering, 1998, 20(2):74-78.
[15] 孙超, 许成杰. 基坑开挖对周边环境的影响[J]. 吉林大学学报(地球科学版), 2019, 49(6):1698-1705. doi:10.13278/j.cnki.jjuese.20190003. Sun Chao, Xu Chengjie. Influence of Excavation of a Deep Excavation on the Surrounding Environment[J]. Journal of Jilin University (Earth Science Edition), 2019, 49(6):1698-1705. doi:10.13278/j.cnki.jjuese.20190003.
[16] 杨丽春, 庞宇斌, 李慎刚. 超长基坑开挖的空间效应[J]. 吉林大学学报(地球科学版), 2015, 45(2):541-545. doi:10.13278/j.cnki.jjuese.201502202. Yang Lichun, Pang Yubin, Li Shengang. Research on Construction Spatial Effects in Long Foundation Pit[J]. Journal of Jilin University (Earth Science Edition), 2015, 45(2):541-545. doi:10.13278/j.cnki.jjuese.201502202.
[17] 俞建霖, 龚晓南. 深基坑工程的空间性状分析[J]. 岩土工程学报, 1999, 21(1):21-25. Yu Jianlin, Gong Xiaonan. Spatial Behavior Analysis of Deep Excavation[J]. Chinese Journal of Geotechnical Engineering, 1999, 21(1):21-25.
[18] 高峰. 深基坑开挖对相邻建筑结构内力影响的研究[D]. 北京:北京工业大学, 2007. Gao Feng. Study of the Effect on Inner Force of Adjacent Building Caused by Deep Excavation Engineering[D]. Beijing:Beijing University of Technology, 2007.
[19] 费康, 张建伟. ABAQUS在岩土工程中的应用[M]. 北京:中国水利水电出版社, 2010. Fei Kang, Zhang Jianwei. Application of ABAQUS in Geotechnical Engineering[M]. Beijing:China Water & Power Press, 2010.
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