泥岩大变形隧洞缓冲层让压支护应用研究

doi:10.13722/j.cnki.jrme.2022.0496

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Abstract When tunnelling in soft rock under high in-situ stress，obvious time-dependent deformation of surrounding rock is often observed，and the deformation can cause serious damage and cracking of the secondary lining. To reduce the ground pressure of the secondary lining induced by time-dependent deformation，a compressible layer is suggested to construct between the primary support and secondary lining. Filling material of the compressible layer should have high compression capability to absorb the time-dependent deformation. In this study，the yielding support used polyethylene foam(density is 90–100 kg/m3) compressible layer and U steel ribs was applied in a tunnel excavated in sandy mudstone and glutenite in northwest China. According to the field observations and numerical results，the performances of the yielding support were analyzed. The results showed that because U steel ribs were connected by the friction connections，the maximum monitoring stress of the U steel ribs is only 140 MPa，which was much lower than that of the H steel ribs. The polyethylene foam layer has great compression capability，and can absorb the time-dependent deformation of the surrounding rock efficiently. According to the monitoring results，the maximum circumferential compression stress of the secondary lining was 13.0 MPa with average value 6.2 MPa，which is lower than the design compression strength of the secondary，indicates the high performance of the compressible layer.

Key words： tunnelling engineering large deformation compressible layer field application tunnel support

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	Articles by authors
	TIAN Hongming1
	SHU Xiaoyun1
	2
	CHEN Weizhong1
	TAN Xianjun1
	CHI Jianjun3

Cite this article:

TIAN Hongming1,SHU Xiaoyun1,2, et al. Field application of the yielding support used compressible layer in a tunnel excavated in mudstone[J]. , 2023, 42(S2): 4121-4129.

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http://rockmech.whrsm.ac.cn/EN/10.13722/j.cnki.jrme.2022.0496 OR http://rockmech.whrsm.ac.cn/EN/Y2023/V42/IS2/4121

[11]	张祉道. 关于挤压性围岩隧道大变形的探讨和研究[J]. 现代隧道技术，2003，40(2)：5-12.(ZHANG Zhidao. Discussion and study on large deformation of tunnel in squeezing ground[J]. Modern Tunnel Technology，2003，40(2)：5-12.(in Chinese))
[21]	尤春安. U型钢可缩性支架的稳定性分析[J]. 岩石力学与工程学报，2002，21(11)：1 672-1 675.(YOU Chun?an. Stability analysis of U-steel yieldable support[J]. Chinese Journal of Rock Mechanics and Engineering，2002，21(11)：1 672-1 675.(in Chinese))
[25]	ABAQUS. ABAQUS analysis user?s manual[M]. Version 6.14 . United States：Dassault Systemes SE Corp.，2016：643-678.
[1]	赵勇. 隧道软弱围岩变形机制与控制技术研究[博士学位论文][D]. 北京：北京交通大学，2012.(ZHAO Yong. Study on deformation mechanical and control technology of weak rock surrounding tunnel[Ph. D. Thesis][D]. Beijing：Beijing Jiaotong University，2012.
[3]	李磊，谭忠盛，喻渝，等. 成兰铁路千枚岩隧道初期支护形式试验研究[J]. 土木工程学报，2017，50(增1)：19-24.(LI Lei，TAN Zhongsheng，YU Yu，et al. Experimental study on primary lining form of tunnels in phyllite on Chengdu-Lanzhou railway[J]. Journal of civil engineering，2017，50(Supp.1)：19-24.(in Chinese))
[7]	何满潮，郭志飚. 恒阻大变形锚杆力学特性及其工程应用[J]. 岩石力学与工程学报，2014，33(7)：1 297-1 308.(HE Manchao，GUO Zhibiao. Mechanical property and engineering application of anchor Bolt with constant resistance and large deformation[J]. Chinese Journal of Rock Mechanics and Engineering，2014，33(7)：1 297-1 308.(in Chinese))
[8]	张彪，张志强，汪波，等. 让压锚杆在大变形隧道支护应用中试验研究[J]. 岩土力学，2016，37(7)：2 047-2 055.(ZHANG Biao，ZHANG Zhiqiang，WANG Bo，et al. Experimental study of application of yielding bolt to large deformation tunnel[J]. Rock and soil mechanics，2016，5(7)：2 047-2 055.(in Chinese))
[17]	宋超业，李畅，郑余朝，等. 复合式衬砌2种缓冲层结构性能的对比分析[J]. 铁道建筑，2021，61(9)：63-67.(SONG Chaoye，LI Chang，ZHENG Yuchao，et al. Comparative analysis for structure performance of two buffer layers in composite lining[J]. Railway Construction，201，61(9)：63-67.(in Chinese))
[18]	田洪铭，陈卫忠，谭贤君，等. 高地应力软岩隧道合理支护方案研究[J]. 岩石力学与工程学报，2011，30(11)：2 285-2 292.(TIAN Hongming，CHEN Weizhong，TAN Xianjun，et al. Study of reasonable support scheme for soft rock tunnel in high geostress zone[J]. Chinese Journal of Rock Mechanics and Engineering，2011，30(11)：2 285- 2 292.(in Chinese))
[4]	陈建勋，刘伟伟，陈丽俊，等. 绿泥石片岩地层大跨度公路隧道大变形控制及合理支护形式现场试验[J]. 中国公路学报，2020，33(12)：212-223.(CHEN Jianxun，LIU Weiwei，CHEN Lijun，et al. In-situ experimental study on large-deformation control and reasonable support forms for a large-span highway tunnel in chlorite schist[J]. China Journal of Highway and Transport，2020，33(12)：212-223.(in Chinese))
[14]	MEZGER F，RAMONI M，ANAGNOSTOU G. Options for deformable segmental lining systems for tunnelling in squeezing rock[J]. Tunnelling and Underground Space Technology，2018，76(1)，64-75.
[24]	WU G，CHEN W，TIAN H，et al. Numerical evaluation of a yielding tunnel lining support system used in limiting large deformation in squeezing rock[J]. Environmental Earth Sciences，2018，77(3)：527-439.
[2]	汪波，郭新新，何川，等. 当前我国高地应力隧道支护技术特点及发展趋势浅析[J]. 现代隧道技术，2018，55(5)：1-10.(WANG Bo，GUO Xinxin，HE Chuan，et al. Analysis on the characteristics and development trends of the support technology of high ground stress tunnels in china[J]. Modern tunnel technology，2018，55(5)：1-10.(in Chinese))
[12]	BARLA G，BONINI M，SEMERARO M. Analysis of the behaviour of a yield-control support system in squeezing rock[J]. Tunnelling and Underground Space Technology，2011，26(1)：146-154.
[22]	尤春安. U型钢可缩性支架缩动后的内力计算[J]. 岩土工程学报，2000，22(5)：604-607.(YOU Chun?an. Internal force calculation of U-supports considering yielding[J]. Chinese Journal of Geotechnical Engineering，2000，22(5)：604-607.(in Chinese))
[5]	李国良，朱永全. 乌鞘岭隧道高地应力软弱围岩大变形控制技术[J]. 铁道工程学报，2008，114（3)：54-59.(LI Guoliang，ZHU Yongquan. control technology for large deformation of high and stressed weak rock in Wushaoling tunnel[J]. Journal of Railway Engineering，2008，114 (3)：54-59.(in Chinese))
[10]	TIAN，Y，CHEN，W，TIAN，H，et al. Parameter design of yielding layers for squeezing tunnels[J]. Tunnelling and Underground Space Technology，2021，108：103694.
[20]	GIBSON L J，ASHBY M F. Cellular solids[M]. Cambridge，USA：Cambridge University Press，1997：96-186.
[6]	CANTIENI，L，ANAGNOSTOU，G. The interaction between yielding supports and squeezing ground[J]. Tunnelling and Underground Space Technology，2009，24(3)：309-322.
[9]	吕显福. 挤压性围岩大变形隧道U型钢可缩性支护技术研究[硕士学位论文][D]. 北京：中国铁道科学研究院，2016.(LU Xianfu. Compressional u-shape yielding large deformation of surrounding rock tunnel supporting technology research[M. S. Thesis][D]. Beijing：China Academy of Railway Sciences，2016.(in Chinese))
[13]	SCHUBERT W. Dealing with squeezing conditions in Alpine tunnels[J]. Rock Mechanics and Rock Engineering，1996，29(3)：145-153.
[15]	田云，陈卫忠，田洪铭，等. 考虑软岩强度时效弱化的缓冲层让压支护设计研究[J]. 岩土力学，2020，41(增1)：237-245.(TIAN Yun，CHEN Weizhong，TIAN Hongming，et al. Study on design of buffer layer yielding support considering time-effect weakening of soft rock strength[J]. Rock and Soil Mechanics，2020，9(Supp.1)：237-245.(in Chinese))
[16]	张瑞，林萍，刘成禹. 围岩与初期支护间缓冲层的大变形控制效果及合理厚度研究[J]. 水利与建筑工程学报，2021，19(1)：176-181.(ZHANG Rui，LIN Ping，LIU Chengyu. Large deformation control effects and reasonable thickness of buffer layer set between surrounding rock and initial support[J]. Journal of Hydraulic and Construction Engineering，2021，19(1)：176-181.(in Chinese))
[19]	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，2016.(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 Publishing House，2016.(in Chinese))
[23]	中华人民共和国国家标准编写组. GB 50010—2010 混凝土结构设计规范[S]. 北京：中国建筑工业出版社，2015.(The National Standards Compilation Group of People?s Republic of China. GB 50010—2010 Code for design of concrete structures[S]. Beijing：China Architecture and Building Press，2015.(in Chinese))