杨宁,赵美霞,黄玉兵

• 1:江苏建筑职业技术学院建筑建造学院
• 2:江苏建筑节能与建造技术协同创新中心
• 3:中国矿业大学(北京)深部岩土力学与地下工程国家重点实验室

摘要(Abstract)：

针对巷道矩形断面结构易出现应力集中的现象，对巷道稳定性进行分析并针对性的提出支护优化方案。以赵楼煤矿5302工作面轨道巷为研究背景，基于复变函数理论建立了矩形巷道围岩应力分析模型，分析了不同埋深、不同宽高比、不同围岩力学参数下围岩的应力分布特征，提出了通过锚杆加强顶板、注浆加固巷帮的优化方案，并进行了FLAC~(3D)数值模拟验证和现场试验。结果表明：所提出的优化方案能有效改善破碎围岩的力学性能，提高巷道围岩的自承载能力，相较于原方案，巷帮平均变形量降低了32.9%，控制效果显著。

关键词(KeyWords)： 矩形巷道;复变函数理论;支护优化;数值模拟

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(42277174);; 江苏高校“青蓝工程”资助项目;; 江苏建筑节能与建造技术协同创新中心青年博士基金资助项目(SJXTBZ2112);; 江苏省高等学校自然科学研究资助项目(23KJA560004)

作者(Author): 杨宁,赵美霞,黄玉兵

DOI: 10.13532/j.jmsce.cn10-1638/td.2023.06.001

参考文献(References)：

• [1]东兆星，刘刚.井巷工程[M].徐州：中国矿业大学出版社，2013.DONG Zhaoxing,LIU Gang. Tunnel engineering[M]. Xuzhou:China University of Mining and Technology Press,2013.
• [2]赵浩亮，王嵩，张智强，等.特厚煤层下分层双柔模墙留巷围岩运移及支护优化[J].采矿与岩层控制工程学报，2022,4(5):053524.ZHAO Haoliang,WANG Song,ZHANG Zhiqiang,et al. Surrounding rock movement of layered double flexible formwork wall retaining roadway under extra thickness coal seam and support optimization[J].Journal of Mining and Strata Control Engineering,2022,4(5):053524.
• [3]肖鹏，于海洋，王东，等.充填开采超前段主动支护替代被动支护技术与应用[J].山东科技大学学报(自然科学版)，2022,41(3):41-49.XIAO Peng,YU Haiyang,WANG Dong,et al. Technology and application of active support replacing passive support in advance section of backfill mining[J]. Journal of Shandong University of Science and Technology(Natural Science),2022,41(3):41-49.
• [4]陈炎光，陆士良.中国煤炭巷道围岩控制[M].徐州：中国矿业大学出版社，1994:226-228.CHEN Yanguang,LU Shiliang. Surrounding rock control of coal roadway in China[M]. Xuzhou:China University of Mining and Technology Press,1994:226-228.
• [5]江成玉，刘勇，韩连昌，等.深部高应力软岩巷道变形特征及支护技术研究[J].煤炭工程，2021,53(1):47-51.JIANG Chengyu,LIU Yong,HAN Lianchang,et al. Deformation chavacteri-stics and support technology of high-stress soft rock roadway in deep mine[J]. Coal Engineering,2021,53(1):47-51.
• [6]刘虎生，栾恒杰，乔金林，等.含夹矸煤巷帮部失稳机理与强化支护技术[J].采矿与岩层控制工程学报，2022,4(3):033031.LIU Husheng,LUAN Hengjie,QIAO Jinlin,et al. Failure mechanism and strengthening support technology of gangue-containing coal roadway sidewall[J]. Journal of Mining and Strata Control Engineering,2022,4(3):033031.
• [7] HUO H,BOBET A,FERNNDEZ G,et al. Analytical solution for deep rectangular structures subjected to far-field shear stresses[J]. Tunnelling and Underground Space Technology Incorporating Trench-less Technology Research,2006,21(6):613-625.
• [8]康红普.煤炭开采与岩层控制的时间尺度分析[J].采矿与岩层控制工程学报，2021,3(1):013538.KANG Hongpu. Temporal scale analysis on coal mining and strata control technologies[J]. Journal of Mining and Strata Control Engineering,2021,3(1):013538.
• [9] ZHANG Zhiguo,HUANG Maosong,XI Xiaoguang,et al. Complex variable solutions for soil and liner deformation due to tunneling in clays[J]. International Journal of Geomechanics,2018,18(7):0401807401-0401807419.
• [10] MUSKHELISHVILI N I. Some basic problems of the mathematical theory of elasticity[M]. The Netherlands:Noordhoof Ltd. Groningen,1954.
• [11]施高萍，祝江鸿，李保海，等.矩形巷道孔边应力的弹性分析[J].岩土力学，2014,35(9):2587-2593.SHI Gaoping,ZHU Jianghong,LI Baohai,et al. Elastic analysis of hole-edge stress of rectangular roadway[J]. Rock and Soil Mechanics,2014,35(9):2587-2593.
• [12]赵凯，刘长武，张国良.用弹性力学的复变函数法求解矩形硐室周边应力[J].采矿与安全工程学报，2007,24(3):361-365.ZHAO Kai,LIU Changwu,ZHANG Guoliang. Solution for perimeter stresses of rocks around a rectangular chamber using the complex function of elastic mechanics[J]. Journal of Mining&Safety Engineering,2007,24(3):361-365.
• [13]李廷春，卢振，刘建章，等.泥化弱胶结软岩地层中矩形巷道的变形破坏过程分析[J].岩土力学，2014,35(4):1077-1083.LI Tingchun,LU Zhen,LIU Jianzhang,et al. Deformation and failure process analysis of rectangular roadway in muddy weakly cemented soft rock strata[J]. Rock and Soil Mechanics,2014,35(4):1077-1083.
• [14]范子儀，李永亮，孙昊，等.采动影响下弱胶结软岩巷道非对称变形特征与控制对策[J].采矿与岩层控制工程学报，2022,4(2):023012.FAN Ziyi,LI Yongliang,SUN Hao,et al. Characteristics and control measures of unsymmetric deformation of roadways within weaklycemented soft rock[J]. Journal of Mining and Strata Control Engineering,2022,4(2):023012.
• [15]郭平，沈大富.深部巷道支护方案优化设计及数值模拟研究[J].矿业安全与环保，2021,48(4):87-91.GUO Ping,SHEN Dafu. Optimization design and numerical simulation of supporting scheme for deep mine roadway[J]. Mining Safety&Environmental Protection,2021,48(4):87-91.
• [16]王志，尹延春，赵同彬，等.软岩巷道扩孔锚固机理及支护控制数值模拟研究[J].山东科技大学学报(自然科学版)，2021,40(3):35-43.WANG Zhi,YIN Yanchun,ZHAO Tongbin,et al. Numerical simulation study on bolting mechanism and support control of soft rock roadway[J]. Journal of Shandong University of Science and Technology(Natural Science),2021,40(3):35-43.
• [17]谢龙，张德兵，梁顺.回采巷道注浆锚索超前支护优化及效果模拟[J].采矿与岩层控制工程学报，2022,4(3):033011.XIE Long,ZHANG Debing,LIANG Shun. Optimisation and simulation of the effect of grouted cable bolts as advanced support in longwall entries[J]. Journal of Mining and Strata Control Engineering,2022,4(3):033011.
• [18]王琦，许英东，许硕，等.破碎围岩锚注扩散加固机制研究与应用[J].采矿与安全工程学报，2019,36(5):916-923.WANG Qi,XU Yingdong,XU Shuo,et al. Study and application of bolt-grouting slurry diffusion and reinforcement mechanism in broken surrounding rock[J]. Journal of Mining&Safety Engineering,2019,36(5):916-923.
• [19]陈定超，王襄禹，赵祥岍，等.构造应力影响下大断面巷道围岩灾变机理及稳定控制研究[J].矿业安全与环保，2022,49(3):15-19,25.CHEN Dingchao,WANG Xiangyu,ZHAO Xiangqian,et al. Research on catastrophe mechanism and stability control of surrounding rock of large cross section roadway under the influence of tectonic stress[J].Mining Safety&Environmental Protection,2022,49(3):15-19,25.
• [20]张懿，张向阳，卜庆为，等.厚煤切顶巷道顶板围岩支护承载稳定性分析[J].采矿与岩层控制工程学报，2022,4(6):063014.ZHANG Yi,ZHANG Xiangyang,BU Qingwei,et al. Analysis on bearing stability of roof surrounding rock support in thick coal roof cutting roadway[J]. Journal of Mining and Strata Control Engineering,2022,4(6):063014.
• [21]李国锋，王九红，刘建荣，等.巷道围岩锚固结构面剪切特性与破坏特征研究[J].山东科技大学学报(自然科学版)，2022,41(4):47-55.LI Guofeng,WANG Jiuhong,LIU Jianrong,et al. Study on shear properties and failure characteristics of bolted joint of roadway surrounding rock[J]. Journal of Shandong University of Science and Technology(Natural Science),2022,41(4):47-55.
• [22]刘兵晨，秦建飞，许向前.综放工作面沿空留巷支护结构优化[J].矿业安全与环保，2022,49(4):187-193.LIU Bingchen,QIN Jianfei,XU Xiangqian. Support structure optimization of gob-side entry retaining in fully mechanized caving face[J].Mining Safety&Environmental Protection,2022,49(4):187-193.
• [23]吕爱钟.地下隧洞力学分析的复变函数方法[M].北京：科学出版社，2007.LYU Aizhong. Complex variable function method for mechanics analysis of underground tunnels[M]. Beijing:Science Press,2007.
• [24]陈成.矩形巷道围岩受力与变形破坏特征研究[D].淮南：安徽理工大学，2018.CHEN Cheng. Study on stress and deformation characteristics of surrounding rock in rectangular roadway[D]. Huainan:Anhui University of Science&Technology,2018.
• [25]王连国，侯化强，孙建，等.高应力回采巷道围岩破裂机理及危险性评价[J].中国矿业大学学报，2012,41(3):361-365,396.WANG Lianguo,HOU Huaqiang,SUN Jian,et al. Study of rock fracture mechanisms and risk assessment in mining roadways located in highly stressed rock[J]. Journal of China University of Mining&Technology,2012,41(3):361-365,396.
• [26]赵仁乐，王琳，李廷春，等.锚注锚索联合支护技术优化[J].煤矿安全，2018,49(5):155-158.ZHAO Renle,WANG Lin,LI Tingchun,et al. Optimization of boltgrouting and anchor cable joint support technology[J]. Safety in Coal Mines,2018,49(5):155-158.
• [27]刘海东，刘向忠，刘伟冬.顶板破碎围岩巷道“锚护喷注”一体化支护技术研究[J].煤炭工程，2021,53(10):52-56.LIU Haidong,LIU Xiangzhong,LIU Weidong. Integrated supporting technology of bolt-shotcrete-grouting in roadway with broken roof[J].Coal Engineering,2021,53(10):52-56.
• [28] ALRAIE Ali,SAHOO Dipti Ranjan,MATSAGAR Vasant A. Development of optimal anchor for basalt fiber reinforced polymer rods[J].Journal of Composites for Construction,2021,25:04021011.
• [29]孟庆彬，韩立军，乔卫国，等.大断面软弱破碎围岩煤巷演化规律与控制技术[J].煤炭学报，2016,41(8):1885-1895.MENG Qingbin,HAN Lijun,QIAO Weiguo,et al. Evolution law and control technology of surrounding rock for weak and broken coal roadway with large cross section[J]. Journal of China Coal Society,2016,41(8):1885-1895.
• [30] WANG Fangtian,ZHANG Cun,WEI Shuaifeng,et al. Whole section anchor-grouting reinforcement technology and its application in underground roadways with loose and fractured surrounding rock[J]. Tunnelling and Underground Space Technology,2016,51:133-143.
• [31]潘锐，王琦，王雷，等.深井巷道锚注补强力学效应及支护参数研究[J].采矿与安全工程学报，2018,35(2):267-275.PAN Rui,WANG Qi,WANG Lei,et al. Research on mechanical effect and parameters of bolt-grouting reinforcement for deep roadway[J].Journal of Mining&Safety Engineering,2018,35(2):267-275.
• [32]王琦，王雷，刘博宏，等.破碎围岩注浆体空隙特征和力学性能研究[J].中国矿业大学学报，2019,48(6):1197-1205.WANG Qi,WANG Lei,LIU Bohong,et al. Study of void characteristics and mechanical properties of fractured surrounding rock grout[J].Journal of China University of Mining&Technology,2019,48(6):1197-1205.
• [33] WANG Qi,QIAN Qin,JIANG Bei,et al. Study and engineering application on the bolt-grouting reinforcement effect in underground engineering with fractured surrounding rock[J]. Tunnelling and Underground Space Technology,2019,54:237-247.
• [34] WANG Qi,GAO Hongke,JIANG Bei,et al. In-situ test and boltgrouting design evaluation method of underground engineering based on digital drilling[J]. International Journal of Rock Mechanics and Mining Sciences,2021,138:104575.