Study on active support method and control effect of NPR anchor cables for large deformation of tunnel surrounding rock under complex geological conditions
TAO Zhigang1，2，XIE Di1，2，SUI Qiru1，2，SUN Jihao1，2，HE Manchao1，2
(1. State Key Laboratory for GeoMechanics and Deep Underground Engineering，China University of Mining and Technology (Beijing)，Beijing 100083，China；2. School of Mechanics and Civil Engineering，China University of Mining and
Technology(Beijing)，Beijing 100083，China)
Abstract：Tunnel engineering faces complex geological conditions in the construction process，and the surrounding rock large deformation disasters cause many economic losses and personnel safety threats. Given the challenging issue of controlling the large deformation disaster of tunnel surrounding rock under complex geological conditions，firstly，based on the excavation compensation method，it is presented that the active support method with high support force effectively controls the large deformation of surrounding rock by the rock mechanics method. Secondly，in response to the demand for high support force active support methods for high-performance new materials，multi-generation NPR(negative Poisson?s ratio) materials with high constant resistance and large deformation characteristics developed by our team are introduced. Finally，the active support method with NPR new material as the core is introduced in engineering applications to control large deformation disasters of tunnel surrounding rock under complex geological conditions. The results indicate that：(1) Large deformation in the tunnel surrounding rock is mainly caused by the redistribution of stress resulting from tunnel excavation，and active support can provide support force to restore or approach the initial stress state. (2) Unlike traditional materials，the NPR new material developed by our team can provide high support force for deep surrounding rock to restore the original stress state. (3) Based on the analysis of engineering cases，the NPR active support technology has demonstrated effective control of large deformations in soft rock tunnels，fault-fracture zone tunnels，and rock burst tunnels，providing a reference and practical basis for dealing with large deformations in complex geological conditions.
陶志刚1，2，谢 迪1，2，隋麒儒1，2，孙吉浩1，2，何满潮1，2. 复杂地质条件下隧道围岩大变形负泊松比锚索主动支护方法及控制效果研究[J]. 岩石力学与工程学报, 2024, 43(2): 275-286.
TAO Zhigang1，2，XIE Di1，2，SUI Qiru1，2，SUN Jihao1，2，HE Manchao1，2. Study on active support method and control effect of NPR anchor cables for large deformation of tunnel surrounding rock under complex geological conditions. , 2024, 43(2): 275-286.
[1] 刘 高，张帆宇，李新召，等. 木寨岭隧道大变形特征及机理分析[J]. 岩石力学与工程学报，2005，24(增2)：5 521–5 526.(LIU Gao，ZHANG Fanyu，LI Xinzhao，et al. Research on large deformation and its mechanism of Muzhailing tunnel[J]. Chinese Journal of Rock Mechanics and Engineering，2005，24(Supp.2)：5 521–5 526.(in Chinese))
[2] 汪 波，李天斌，何 川，等. 强震区软岩隧道大变形破坏特征及其成因机制分析[J]. 岩石力学与工程学报，2012，31(5)：928–936.(WANG Bo，LI Tianbin，HE Chuan，et al. Analysis of failure properties and formatting mechanism of soft rock tunnel in meizoseismal areas[J]. Chinese Journal of Rock Mechanics and Engineering，2012，31(5)：928–936.(in Chinese))
[3] 徐前卫，程盼盼，朱合华，等. 跨断层隧道围岩渐进性破坏模型试验及数值模拟[J]. 岩石力学与工程学报，2016，35(3)：433–445.(XU Qianwei，CHENG Panpan，ZHU Hehua，et al. Experimental study and numerical simulation on progressive failure characteristics of the fault-crossing tunnel surrounding rock[J]. Chinese Journal of Rock Mechanics and Engineering，2016，35(3)：433–445.(in Chinese))
[4] 李术才，许振浩，黄 鑫，等. 隧道突水突泥致灾构造分类、地质判识、孕灾模式与典型案例分析[J]. 岩石力学与工程学报，2018，37(5)：1 041–1 069.(LI Shucai，XU Zhenhao，HUANG Xin，et al. Classification，geological identification，hazard mode and typical case studies of hazard-causing structures for water and mud inrush in tunnels[J]. Chinese Journal of Rock Mechanics and Engineering，2018，37(5)：1 041–1 069.(in Chinese))
[5] ZHU H H，YAN J X，LIANG W H. Challenges and development prospects of ultra-long and ultra-deep mountain tunnels[J]. Engineering，2019，5(3)：384–392.
[6] HEIM A. Untersuchungen über den Mechanismus der Gebirgsbildung im Anschluss an die geologische Monographie der Tödi-Windgällen-Gruppe[M]. Basel：Benno Schwabe Verlagsbuchhandlung，1878： 100–120.
[7] ДИННИК А Н. Удар и сжатие упругих тел[M]. Киев：Типография С. В. Кульженко，1909：VIII，120 с.，9 л. черт.(in Russian)
[8] PROTODYAKONOV M M. Rock pressure on mine support (theory of mine support)[M]. Yekaterinoslav：Tipografiya Gubernskogo Zemstva，1907：23–45.(in Russian)
[9] TERZAGHI K. Erdbaumechanik auf bodenphysikalischer Grundlage[M]. Vienna：Deuticke，1925：399.(in German)
[10] TERZAGHI K. Rock defects and loads on tunnel supports[M]. Massachusetts：Harvard University Press，1946：17–99.
[11] RABCEWICZ L V. The new Austrian tunnelling method[J]. Water Power，1964，17：453–457.
[12] DIMITRIOS K. The new austrian tunnelling method[C]// Tunnelling and Tunnel Mechanics. Springer，Berlin：Heidelberg，2008：161–175.
[13] MENG L B，LI T B，YUN J，et al. Characteristics and mechanisms of large deformation in the Zhegu mountain tunnel on the Sichuan-Tibet highway[J]. Tunnelling and Underground Space Technology，2013，37(8)：157–164.
[14] YU W J，WANG W J，CHEN X Y，et al. Field investigations of high stress soft surrounding rocks and deformation control[J]. Journal of Rock Mechanics and Geotechnical Engineering，2015，7(4)：421–433.
[15] HE M C，SUI Q R，LI M N，et al. Compensation excavation method control for large deformation disaster of mountain soft rock tunnel[J]. International Journal of Mining Science and Technology，2022，32(2022)：951–963.
[16] 徐芝纶. 弹性力学简明教程[M]. 北京：高等教育出版社，2012：64–72.(XU Zhilun. A concise course in elasticity[M]. Beijing：Higher Education Press，2012：64–72.(in Chinese))
[17] HE M C，SUI Q R，TAO Z G. Excavation compensation theory and supplementary technology system for large deformation disasters[J]. Deep Underground Science and Engineering，2023，2(2)：105–128.
[18] KIRSCH G. Die theorie der elastizität und die bedürfnisse der festigkeitslehre[J]. Zeitschrift des Vereins Deutscher Ingenieure，1898，42(29)：797–807.(in German)
[19] BRADLEY W B. Failure of inclined boreholes[J]. ASME. Journal of Energy Resources Technology，1979，101(4)：232–239.
[20] 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))
[21] 康红普，王金华，林 健. 煤矿巷道锚杆支护应用实例分析[J]. 岩石力学与工程学报，2010，29(4)：649–664.(KANG Hongpu，WANG Jinhua，LIN Jian. Case studies of rock bolting in coal mine roadways[J]. Chinese Journal of Rock Mechanics and Engineering，2010，29(4)：649–664.(in Chinese))
[22] 康红普，林 健，吴拥政，等. 锚杆构件力学性能及匹配性[J]. 煤炭学报，2015，40(1)：11–23.(KANG Hongpu，LIN Jian，WU Yongzhen，et al. Mechanical performances and compatibility of rock bolt components[J]. Journal of China Coal Society，2015，40(1)：11–23.(in Chinese))
[23] 何满潮，李 晨，宫伟力. 恒阻大变形锚杆冲击拉伸试验及其有限元分析[J]. 岩石力学与工程学报，2015，34(11)：2 179–2 187.(HE Manchao，LI Chen，GONG Weili. Elongation and impacting experimental system for bolts with constant resistance and large deformation and finite element analysis[J]. Chinese Journal of Rock Mechanics and Engineering，2015，34(11)：2 179–2 187.(in Chinese))
[24] 何满潮，冯吉利. 恒阻大变形锚杆[P]. 中国：CN101858225A，2010–10–13.(HE Manchao，FENG Jili. The constant resistance and large deformation bolts[P]. China：CN101858225A，2010–10–13.(in Chinese))
[25] 何满潮，陶志刚，张 斌. 恒阻大变形缆索及其恒阻装置[P]. 中国：CN102296604A，2011–12–28.(HE Manchao，TAO Zhigang，ZHANG Bin. The constant resistance and large deformation anchor cable and its constant resistance device[P]. China：CN102296604A，2011–12–28 (in Chinese))
[26] HE M C，WANG Q，WU Q Y. Innovation and future of mining rock mechanics[J]. Journal of Rock Mechanics and Geotechnical Engineering，2021，13(1)：1–21.
[27] 何满潮，吕 谦，陶志刚，等. 静力拉伸下恒阻大变形锚索应变特征试验研究[J]. 中国矿业大学学报，2018，47(2)：213–220.(HE Manchao，LV Qian，TAO Zhigang，et al. Experimental study of strain characteristics of constant-resistance large deformation anchor cable under static stretching condition[J]. Journal of China University of Mining and Technology，2018，47(2)：213–220.(in Chinese))
[28] 孙晓明，王 冬，王 聪，等. 恒阻大变形锚杆拉伸力学性能及其应用研究[J]. 岩石力学与工程学报，2014，33(9)：1 765–1 771. (SUN Xiaoming，WANG Dong，WANG Cong，et al. Tensile properties and application of constant resistance and large deformation bolts[J]. Chinese Journal of Rock Mechanics and Engineering，2014，33(9)：1 765–1 771.(in Chinese))
[29] 胡 杰，李兆华，冯吉利，等. 恒阻大变形锚索弹塑性解析模型及数值分析[J]. 岩石力学与工程学报，2019，38(增2)：3 565–3 574. (HU Jie，LI Zhaohua，FENG Jili，et al. Analytical model of elasto-plastic and numeric analysis for the constant resistance large deformation(NPR) cable[J]. Chinese Journal of Rock Mechanics and Engineering，2019，38(Supp.2)：3 565–3 574.(in Chinese))
[30] TAO Z G，LUO S L，QIAO Y F，et al. Key factors analysis and constitutive equation modification of a macro-NPR bolt for achieving high constant resistance and large deformation characteristics[J]. International Journal of Rock Mechanics and Mining Sciences，2021，147：104911.
[31] WANG Q，XU S，HE M C，et al. Dynamic mechanical characteristics and application of constant resistance energy-absorbing supporting material[J]. International Journal of Mining Science and Technology， 2022，32(3)：447–458.
[32] SUI Q R，HE M C，HE P F，et al. State of the art review of the large deformation rock bolts[J]. Underground Space，2022，7(3)：465–482.
[33] 陶志刚，郭爱鹏，何满潮，等. 微观负泊松比锚杆静力学特性及其工程应用研究[J]. 岩土力学，2022，43(3)：808–818.(TAO Zhigang，GUO Aipeng，HE Manchao，et al. Static characteristics and engineering applications of micro negative Poisson?s ratio bolt[J]. Rock and Soil Mechanics，2022，43(3)：808–818.(in Chinese))
[34] 陶志刚，任树林，何满潮，等. 地下工程微观NPR锚杆钢静力拉伸及锚固抗剪力学特性[J]. 煤炭学报，2022，47(2)：683–694.(TAO Zhigang，REN Shulin，HE Manchao，et al. Static tensile and bolting shear mechanical properties of micro?NPR bolt steel in underground engineering[J]. Journal of China Coal Society，2022，47(2)：683–694.(in Chinese))
[35] HE M C，REN S L，GUO L J，et al. Experimental study on influence of host rock strength on shear performance of Micro-NPR steel bolted rock joints[J]. International Journal of Rock Mechanics and Mining Sciences，2022，159：105236.
[36] 薛翊国，孔凡猛，杨为民，等. 川藏铁路沿线主要不良地质条件与工程地质问题[J]. 岩石力学与工程学报，2020，39(3)：445–468.(XUE Yiguo，KONG Fanmeng，YANG Weimin，et al. Main unfavorable geological conditions and engineering geological problemsalong Sichuan—Tibet railway[J]. Chinese Journal of Rock Mechanics and Engineering，2020，39(3)：445–468.(in Chinese))
[37] 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))
[38] 陶志刚，李梦楠，张 博，等. 西南地区节理化薄层软岩隧道大变形力学机理及支护控制方法[J]. 矿业科学学报，2023，8(4)：452–463.(TAO Zhigang，LI Mengnan，ZHANG Bo，et al. Mechanical mechanism of large deformation and support control for jointed thin soft rock tunnel in Southwest China[J]. Journal of Mining Science and Technology，2023，8(4)：452–463.(in Chinese))
[39] 李术才，许振浩，黄 鑫，等. 隧道突水突泥致灾构造分类、地质判识、孕灾模式与典型案例分析[J]. 岩石力学与工程学报，2018，37(5)：1 041–1 069.(LI Shucai，XU Zhenhao，HUANG Xin，et al. Classification，geological identification，hazard mode and typical case studies of hazard-causing structures for water and mud inrush in tunnels[J]. Chinese Journal of Rock Mechanics and Engineering，2018，37(5)：1 041–1 069.(in Chinese))
[40] 李术才，张伟杰，张庆松，等. 富水断裂带优势劈裂注浆机制及注浆控制方法研究[J]. 岩土力学，2014，35(3)：744–752.(LI Shucai，ZHANG Weijie，ZHANG Qinsong，et al. Research on advantage-fracture grouting mechanism and controlled grouting method in water-rich fault zone[J]. Rock and Soil Mechanics，2014，35(3)：744–752. (in Chinese))
[41] 王丰年. 他依隧道软岩大变形机理及NPR锚索桁架支护对策研究[博士学位论文][D].北京：中国矿业大学(北京)，2022.(WANG Fengnian. Research on the large deformation mechanism of soft rock and support countermeasures of NPR anchor cable-truss in Tayi tunnel[Ph. D. Thesis][D]. Beijing：China University of Mining and Technology(Beijing)，2022.(in Chinese))
[42] 何满潮，苗金丽，李德建，等. 深部花岗岩试样岩爆过程试验研究[J]. 岩石力学与工程学报，2007，26(5)：865–876.(HE Manchao，MIAO Jinli，LI Dejian，et al. Experimental study on rockburst processes of granite specimen at great depth[J]. Chinese Journal of Rock Mechanics and Engineering，2007，26(5)：865–876.(in Chinese))
[43] 冯夏庭，陈炳瑞，明华军，等. 深埋隧洞岩爆孕育规律与机制：即时型岩爆[J]. 岩石力学与工程学报，2012，31(3)：433–444.(FENG Xiating，CHEN Bingrui，MING Huajun，et al. Evolution law and mechanism of rockbursts in deep tunnels：immediate rockburst[J]. Chinese Journal of Rock Mechanics and Engineering，2012，31(3)：433–444.(in Chinese))
[44] HE M C，WANG Q. Excavation compensation method and key technology for surrounding rock control[J]. Engineering Geology，2022，307：106784.
[45] 何满潮，任树林，陶志刚. 深埋隧道灾变防控方法[J]. 工程地质学报，2022，30(6)：1 777–1 797.(HE Manchao，REN Shulin，TAO Zhigang. Disaster prevention and control methods for deep buried tunnels[J]. Journal of Engineering Geology，2022，30(6)：1 777–1 797.(in Chinese))
2024, Vol. 43 
