特大断面超浅埋隧道预留十字岩梁岩柱开挖技术

Abstract
Figure/Table
References
Related Citation (15)

Download: PDF (452 KB) HTML (1 KB)
Export: BibTeX | EndNote (RIS)

Abstract The largest cross-sectional area of Hongqihegou Station in Chongqing Metro third line has reached 760 m2. The shallow station tunnel is located in urban area，the engineering condition is very complex. The tunnel is shallow buried and the ratio of depth to span is small(only 0.4). By comparing different methods，a new excavation method named reserved cross rock beam-pillar is proposed；and the parameters are optimized with numerical analysis. The rock pillar is 8 m of width and the rock pillars excavation is 1 m of length. The surface subsidence and section convergence are monitored which are caused by the tunnel construction. The surrounding rock is stable during excavation，which proves that the proposed method is feasible in practice. Through the monitoring，the displacements law caused by construction process is researched. The result can provide experience to similar projects.

Key words： tunnelling engineering super-large cross-section ultra-shallow reserved cross rock beam-pillar

Received: 04 July 2012

	Service

	E-mail this article
	Add to my bookshelf
	Add to citation manager
	E-mail Alert
	RSS
	Articles by authors

Cite this article:

URL:

https://rockmech.whrsm.ac.cn/EN/Y2013/V32/I2/299

[1]	PECK R B. Deep excavations and tunneling in soft ground[C]// Proceedings of the 7th International Conference on Soil Mechanics and Foundation Engineering. Mexico City：[s. n.]，1969：225-290. " target="_blank">
[2]	ATTEWELL P B，WOODMAN J P. Predicting the dynamics of ground settlement and its derivatives caused by tunneling in soil[J]. Ground Engineering，1982，15(8)：13-22. " target="_blank">
[3]	韩煊，李宁，STANDING J R. Peck公式在我国隧道施工地面变形预测中的适用性分析[J]. 岩土力学，2007，28(1)：23-28.(HAN Xuan，LI Ning，STANDING J R. An adaptability study of Gaussian equation applied to predicting ground settlements induced by tunneling in China[J]. Rock and Soil Mechanics，2007，28(1)：23-28.(in Chinese)) " target="_blank">
[4]	施成华，彭立敏，刘宝琛. 浅埋隧道开挖对地表建筑物的影响[J].岩石力学与工程学报，2004， 23(19)：3 310-3 316.(SHI Chenghua，PENG Limin，LIU Baochen. Influence of shallow tunnel excavation on ground surface buildings[J]. Chinese Journal of Rock Mechanics and Engineering，2004，23(19)：3 310-3 316.(in Chinese)) " target="_blank">
[5]	李文江，贾晓云，刘志春. 地铁区间大断面隧道施工力学行为研究[J]. 地下空间与工程学报，2007，3(1)：40-43.(LI Wenjiang，JIA Xiaoyun，LIU Zhichun. Research on construction mechanical behavior of large cross-section tunnel in subway engineering[J]. Chinese Journal of Underground Space and Engineering，2007，3(1)：40-43.(in Chinese)) " target="_blank">
[6]	李永靖，张向东. 城市地铁开挖对地表建筑物影响研究[J]. 地下空间与工程学报，2006，2(8)：1 326-1 329.(LI Yongjing，ZHANG Xiangdong. Research on influence of city subway excavating on the surface building[J]. Chinese Journal of Underground Space and Engineering，2006，2(8)：1 326-1 329.(in Chinese)) " target="_blank">
[7]	周丁恒，曹力桥，曲海锋，等. 不同围岩情况下特大断面公路隧道施工变形监测与控制[J]. 岩石力学与工程学报，2009，28(12)：2 510-2 519.(ZHOU Dingheng，CAO Liqiao，QU Haifeng，et al. Deformation monitoring and control of surface large section highway tunnel with diffrent surrounding rocks[J]. Chinese Journal of Rock Mechanics and Engineering，2009，28(12)：2 510-2 519.(in Chinese)) " target="_blank">
[8]	周丁恒，曹力桥，马永峰，等. 四车道特大断面大跨度隧道施工中支护体系力学性态研究[J]. 岩石力学与工程学报，2010，29(1)：140-
14	8.(ZHOU Dingheng，CAO Liqiao，MA Yongfeng，et al. Research on construction behaviors of support system in four-lane ultra large-span tunnel with super-large cross-section[J]. Chinese Journal of Rock Mechanics and Engineering，2010，29(1)：140-148.(in Chinese))
[9]	覃卫民，李祺，任伟中，等. 复杂结构形式隧道的围岩位移监测分析[J]. 岩石力学与工程学报，2010，29(3)：549-557.(QIN Weimin，LI Qi，REN Weizhon，et al. Monitoring analysis of surrounding rock displacement of complex structure tunnel[J]. Chinese Journal of Rock Mechanics and Engineering，2010，29(3)：549-557.(in Chinese))
[10]	李二兵，王镝，王源，等. 城市复杂条件下浅埋大跨双连拱隧道施工变形监测与控制[J]. 岩石力学与工程学报，2007，26(4)：833-839.(LI Erbing，WANG Di，WANG Yuan，et a1. Monitoring and control of construction deformation of urban shallow-buried large-span double-arch tunnel under complex condition[J]. Chinese Journal of Rock Mechanics and Engineering，2007，26(4)：833-839.(in Chinese))
[11]	黄伦海，程崇国，蒋树屏，等. 轻轨地下车站主体结构设计与施工研究[J]. 岩石力学与工程学报，2005，24(10)：1 715-1 721. (HUANG Lunhai，CHENG Chongguo，JIANG Shuping，et al. Study on design and construction of main structure of light rail underground station[J]. Chinese Journal of Rock Mechanics and Engineering，2005，24(10)：1 715-1 721.(in Chinese)) " target="_blank">
[12]	万姜林，唐果良. 复杂周边环境下浅埋超大断面隧道施工技术[J].地下空间，2004，24(2)：185-189.(WAN Jianglin，TANG Guoliang. Construction technology for shallow buried tunnel with extra-large cross-section in complex surrounding environment[J]. Underground Space，2004，24(2)：185-189.(in Chinese)) " target="_blank">
[13]	朱泽兵，刘新荣，张永兴，等. 大跨超浅埋轻轨车站隧道开挖方法研究[J]. 岩石力学与工程学报，2005，24(2)：290-295.(ZHU Zebing，LIU Xinrong，ZHANG Yongxing，et al. Study of excavation method for ultra-shallow-buried light railway station tunnels with large span[J]. Chinese Journal of Rock Mechanics and Engineering，2005，24(2)：290-295.(in Chinese))