高地应力层状软岩隧道非对称挤压大变形分级修正方法研究

doi:10.13722/j.cnki.jrme.2021.0613

Abstract
Figure/Table
References (0)
Related Citation (15)

Download: PDF (10574 KB) HTML (1 KB)
Export: BibTeX | EndNote (RIS)

Abstract In order to explore the classification method of asymmetrical large deformation of high stress layered soft rock tunnels，deformation data of 200 tunnels in soft rock are collected，and the major factors of asymmetrical deformation are analyzed. Relative deformation and asymmetrical deformation positions of the tunnels under high geo-stresses are investigated based on the association rule，and an improved classification method of asymmetrical squeezing deformation is put forward. The results show that the asymmetry factors are the inclination angle of the strata(a)，the angle between the rock strike and the tunnel axis(b )，and the angle between the maximum principal stress of the initial stress field and the rock plane(g ). 20 strong association rules，about the basic factor(compression stress and maximum principal stress) along with the relative deformation，and asymmetrical factor(a，b，g)corresponding to asymmetrical deformation position，are obtained. It is revealed that a，b and g together control the asymmetrical deformation position，which shifts from the sidewall and the bottom to the vault with increasing a，from the arch and the sidewall to the bottom with increasing b，and from the bottom to the sidewall and then to the vault with increasing g. The strength-stress ratio and the relative deformation determine the basic level of the squeezing，and the asymmetry factors a，b，g as sub-indexes identify the squeezing deformation position. The proposed method according to the level of the squeezing and the asymmetry factors provides an important approach for the asymmetrical large deformation classification of layered soft rock tunnels.

Key words： rock mechanics high geo-stress asymmetry large deformation classification association rule

	Service

	E-mail this article
	Add to my bookshelf
	Add to citation manager
	E-mail Alert
	RSS
	Articles by authors
	MENG Lubo1
	HUANG Yilin1
	LI Tianbin1
	CHEN Bo2
	ZHANG Wenju2
	CHEN Haiqing1
	LI Haoyu1

Cite this article:

MENG Lubo1,HUANG Yilin1,LI Tianbin1, et al. An improved classification method of asymmetrical squeezing large deformation of layered soft rock tunnels under high geo-stresses[J]. , 2022, 41(1): 147-156.

URL:

http://rockmech.whrsm.ac.cn/EN/10.13722/j.cnki.jrme.2021.0613 OR http://rockmech.whrsm.ac.cn/EN/Y2022/V41/I1/147

[1]	ANAGNOSTOU G. A model for swelling rock in tunnelling[J]. Rock Mechanics and Rock Engineering，1993，26(4)：307-331.
[9]	BARLA G. Tunnelling under squeezing rock conditions[R]. Torino：Department of Structural and Geotechnical Engineering，Politecnico di Torino，2004.
[2]	AYDAN O，AKAGI T，KAWAMOTO T. The squeezing potential of rocks around tunnels：theory and prediction[J]. Rock Mechanics and Rock Engineering，1993，26(2)：137-163.
[4]	JETHWA J L，SINGH B，SINGH B. Estimation of ultimate rock pressure for tunnel linings under squeezing rock conditions—a new approach，design and performance of underground excavations[R]. Cambridge：ISRM Symposium，1984.
[7]	刘志春，朱永全，李文江，等. 挤压性围岩隧道大变形机制及分级标准研究[J]. 岩土工程学报，2008，30(5)：690-697(LIU Zhichun，ZHU Yongquan，LI Wenjiang，et al. Mechanism and classification criterion for large deformation of squeezing ground tunnels[J]. Chinese Journal of Geotechnical Engineering，2008，30(5)：690-697.(in Chinese))
[10]	张广泽，邓建辉，王栋，等. 隧道围岩构造软岩大变形发生机制及分级方法[J]. 工程科学与技术，2021，53(1)：1-12.(ZHANG Guangze，DENG Jianhui，WANG Dong，et al. Mechanism and classification of tectonic-induced large deformation of soft rock tunnels[J]. Advanced Engineering Sciences，2021，53(1)：1-12.(in Chinese))
[20]	王军. 国道G317线薛城隧道软岩大变形成因机制及处治措施研究[硕士学位论文][D]. 成都：成都理工大学，2017.(WANG Jun. Study on the mechanism and treatment measures of large deformation of soft rock deformation of tunnel of Xuecheng national road G317[M. S. Thesis][D]. Chengdu：Chengdu University of Technology，2017.(in Chinese))
[5]	李国良，刘志春，朱永全. 兰渝铁路高地应力软岩隧道挤压大变形规律及分级标准研究[J]. 现代隧道技术，2015，52(1)：62-68.(LI Guoliang，LIU Zhichun，ZHU Yongquan. On the large squeezing deformation law and classification criteria for the Lanzhou—Chongqing railway tunnels in soft and high geostress rocks[J]. Modern Tunnelling Technology，2015，52(1)：62-68.(in Chinese))
[6]	陈子全，何川，吴迪，等. 高地应力层状软岩隧道大变形预测分级研究[J]. 西南交通大学学报，2018，53(6)：1 237-1 244.(CHEN Ziquan，HE Chuan，WU Di，et al. Study of large deformation classification criterion for layered soft rock tunnels under high geostress[J]. Journal of Southwest Jiaotong University，2018，53(6)：1 237-1 244.(in Chinese))
[15]	李磊，谭忠盛，郭小龙，等. 高地应力陡倾互层千枚岩地层隧道大变形研究[J]. 岩石力学与工程学报，2017，36(7)：1 611-1 622. (LI Lei，TAN Zhongsheng，GUO Xiaolong，et al. Large deformation of tunnels in steep dip strata of interbedding phyllite under high geostresses[J]. Chinese Journal of Rock Mechanics and Engineering，2017，36(7)：1 611-1 622.(in Chinese))
[16]	李磊，谭忠盛，郭小龙，等. 挤压陡倾千枚岩地层小净距隧道大变形研究[J]. 岩石力学与工程学报，2019，38(2)：276-286.(LI Lei，TAN Zhongsheng，GUO Xiaolong，et al. Research on large deformation of tunnels with small intervals in squeezing steeply dipping phyllite strata[J]. Chinese Journal of Rock Mechanics and Engineering，2019，38(2)：276-286.(in Chinese))
[8]	王永刚，丁文其，刘志强，等. 木寨岭隧道大变形分级标准与支护时机研究[J]. 地下空间与工程学报，2020，16(4)：1 116-1 122. (WANG Yonggang，DING Wenqi，LIU Zhiqiang，et al. Classification standard of large deformation and construction time of second lining in Muzhailing tunnel[J]. Chinese Journal of Underground Space and Engineering，2020，16(4)：1 116-1 122.(in Chinese))
[18]	于洋，柏建彪，王襄禹，等. 软岩巷道非对称变形破坏特征及稳定性控制[J]. 采矿与安全工程学报，2014，31(3)：340-346.(YU Yang，BAI Jianbiao，WANG Xiangyu，et al. Study on asymmetric distortion and failure characteristics and stability control of soft rock roadway[J]. Journal of Mining and Safety Engineering，2014，31(3)：340-346.(in Chinese))
[3]	HOEK E，PAUL M P. Predicting tunnel squeezing problems in weak heterogeneous rock masses[J]. Tunnels and Tunnelling International，2000，32(11)：45-51.
[13]	孙晓明，张国锋，蔡峰，等. 深部倾斜岩层巷道非对称变形机制及控制对策[J]. 岩石力学与工程学报，2009，28(6)：1 137-1 143. (SUN Xiaoming，ZHANG Guofeng，CAI Feng，et al. Asymmetric deformation mechanism with inclined rock strata induced by excavation in deep roadway and its controlling countermeasures[J]. Chinese Journal of Rock Mechanics and Engineering，2009，28(6)：1 137-1 143.(in Chinese))
[23]	中华人民共和国行业标准编写组. TB 10003—2016铁路隧道设计规范[S]. 北京：中国铁道出版社，2017.(The Professional Standards Compilation Group of the People¢s Republic of China. TB 10003—2016 Code for design of railway tunnel[S]. Beijing：China Railway Press，2017.(in Chinese))
[11]	何满潮，王晓义，刘文涛，等. 孔庄矿深部软岩巷道非对称变形数值模拟与控制对策研究[J]. 岩石力学与工程学报，2008，27(4)：673-678.(HE Manchao，WANG Xiaoyi，LIU Wentao，et al. Numerical simulation on asymmetric deformation of deep soft rock roadway in Kongzhuang coal mine[J]. Chinese Journal of Rock Mechanics and Engineering，2008，27(4)：673-678.(in Chinese))
[12]	黄万朋，李超，邢文彬，等. 蠕变状态下千米深巷道长期非对称大变形机制与控制技术[J]. 采矿与安全工程学报，2018，35(3)：481-488.(HUANG Wanpeng，LI Chao，XING Wenbin，et al. Asymmetric deformation mechanism and control technology of roadway with depth over 1 000 meters under rheological state[J]. Journal of Mining and Safety Engineering，2018，35(3)：481-488.(in Chinese))
[14]	吴迪，陈子全，甘林卫，等. 高地应力深埋层状围岩隧道非对称变形受力机制研究[J]. 隧道建设，2018，38(11)：1 813-1 821. (WU Di，CHEN Ziquan，GAN Linwei，et al. Study of force mechanism of asymmetrical deformation of deep-buried layered surrounding rock tunnel under high ground stress[J]. Tunnel Construction，2018，38(11)：1 813-1 821.(in Chinese))
[17]	武精科，阚甲广，谢生荣，等. 深井沿空留巷非对称破坏机制与控制技术研究[J]. 采矿与安全工程学报，2017，34(4)：739-747.(WU Jingke，KAN Jiaguang，XIE Shengrong，et al. Mechanism of asymmetric failure in deep gob-side entry retaining and its control technology[J]. Journal of Mining and Safety Engineering，2017，34(4)：739-747.(in Chinese))
[19]	姜云. 公路隧道围岩大变形的预测预报与对策研究[博士学位论文][D]. 成都：成都理工大学，2004.(JIANG Yun. The study on the forecast and countermeasure of great distortion of highway tunnel wall rock[Ph. D. Thesis][D]. Chengdu：Chengdu University of Technology，2004.(in Chinese))
[21]	JADAV J J，PANCHAL M. Association rule mining method on OLAP cube[J]. International Journal of Engineering Research and Applications，2012，2(2)：1 147-1 151.
[22]	HE Y，ZHENG X，SIT C，et al. Using association rules mining to explore pattern of Chinese medicinal formulae(prescription) in treating and preventing breast cancer recurrence and metastasis[J]. Journal of Translational Medicine，2012，10(Supp.1)：1-8.