Analysis of Impact of Construction of Shallow Large-span Tunnels on Environment with Surface Excavation method

YANG Hui-jun

PDF(645 KB)

Journal of Railway Engineering Society ›› 2010, Vol. 27 ›› Issue (5) : 43-47.

Analysis of Impact of Construction of Shallow Large-span Tunnels on Environment with Surface Excavation method

YANG Hui-jun

Author information +

History +

Abstract

Research purposes：The southwest ventilation tunnel of metro has the following obvious features: complex geological conditions and surrounding environment, large span (excavation span accounting for 9.9 m), shallow burying (the cover depth of soil on the tunnel structure accounting for about 10 m), small cover-span ratio (about 1), frequent external loadings on road surface and under-passing the underground pipelines. So it is necessary to monitor and measure the area impacted by the construction to assess the impact of the construction on surrounding environment.

Research conclusions：(1) The final environment control standard is determined and the protection measures for peripheral environment are worked out. (2) The surface deformation can be divided into four stages: micro deformation stage, aggravating deformation stage, slow deformation stage and basically stable stage. (3) The assessments of the safety of the surrounding buildings on the ground and the underground pipelines show that the buildings and underground pipelines are all in safe states. (4) The impact of construction of a shallow large-span tunnel with surface excavation method on surrounding environment is controllable.

Key words

shallow and surface excavation / surface settlement / building protection / monitoring and measurement / environmental safety assessment

Cite this article

EndNote

Ris (Procite)

Bibtex

Download Citations

YANG Hui-jun. Analysis of Impact of Construction of Shallow Large-span Tunnels on Environment with Surface Excavation method[J]. Journal of Railway Engineering Society, 2010, 27(5): 43-47

References

[ 1 ] 王梦恕. 地下工程浅埋暗挖技术通论[M]. 合肥: 安徽教育出版社, 2005.

Wang Mengshu. Construction Method of Undercutting under Shallow Overburden for Underground Works[M]. Hefei: Anhui Education Press, 2005.

[ 2 ] 曾亚武. 地下结构设计模型[M]. 武汉: 武汉大学出版社, 2006.

Zeng Yawu. Design Model of Underground Structure[M]. Wuhan: Wuhan University Press, 2006.

[ 3 ] 李志业, 曾艳华. 地下结构设计原理与方法[M]. 成都: 西南交通大学出版社, 2003.

Li Zhiye, Zeng Yanhua. Design Priniples and Methods of Underground Structure [M]. Chengdu: Southwest Jiaotong University Press, 2003.

[ 4 ] 高波. 浅埋隧道地表沉陷拟合计算理论与控制机理[D]. 成都: 西南交通大学, 1991.

Gao Bao. Calculation and Control Theory of Surface Settlement of Undercutting under Shallow Overburden[D]. Chengdu: Southwest Jiaotong University, 1991.

[ 5 ] 杨会军. 隧道工程综合成本控制信息化研究与应用[D]. 北京: 北京交通大学, 2006.

Yang Huijun. Information Research and Application of Comprehensive Cost for Tunnel Works[D]. Beijing: Beijing Jiaotong University, 2006.

[ 6 ] 杨会军, 等. 大跨浅埋暗挖地铁车站超近距下穿运营地铁车站施工技术研究报告[R]. 洛阳: 中铁隧道集团有限公司, 2008.

Yang Huijun, etc. The Construction Technology Research of Large-span Underground Excavation Under Shallow Cover Method Building Metro Station Under the Running Metro Station with Extremely Near Distance[R]. Luoyang: China Railway Tunnel Group, 2008.

[ 7 ] 杨会军, 刘虹阳. 浅埋暗挖小净距隧道应力集中现象分析[J]. 铁道工程学报, 2010(1): 42-46.

Yang Huijun, Liu Hongyang. Analysis on Stress Concentration of a Little Space Between Tunnels Undercut under Shallow Cover[J]. Journal of Railway Engineering, 2010(1): 42-46.

[ 8 ] Gandhe, A., Venkateswarlu, V., and Gupta, R. N., Extraction of coal under a surface water body-a strata control investigation[J]. Rock Mechanics and Rock Engineering, 2005 (5): 399-410.

[ 9 ] 白纪军. 宣武门地铁车站群洞施工技术及沉降分析[J]. 铁道建筑, 2007(4): 42-45.

Bai Jijun. Construction Technique and Settlement Analysis of Underground Cavities at Xuanwumen Subway Station[J]. Railway Technology, 2007(4): 42-45.

[ 10 ] 黄声享. 变形监测数据处理[M]. 武汉: 武汉大学出版社, 2003.

Huang Shengxiang. Data Processing of Deformation Monitoring[M]. Wuhan: Wuhan University Press, 2003.