隧道掌子面岩体完整性系数快捷测试布置方法研究
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摘要
为满足隧道施工期间掌子面围岩完整性快捷判定的需要,文章分析了岩块(体)波速现场快捷测试布置的原则,结合国内主流规范标准,采用对比法剖析了岩体结构面间距的划分标准,采用数学分析法研究了岩体完整性与结构面间距的量化关系。基于此,文章首次提出了岩块波速与岩体波速测试应遵守的声波对穿距离的控制标准Dr和Dm,并对测区、测点的布置方法及接收换能器系统进行了设计。结果表明,该测试方法在满足对整个掌子面和不同产状结构面全局把控的前提下,实现了测试快捷的目的。
Aiming at the need of quick determination of surrounding rock integrity on tunnel face during construction, this paper studied the quick test arrangement principles of rock-mass wave velocity. Based on the domestic main standards and specifications, the criteria for spacing of rock mass structural plane was analyzed by correction method and quantitative relationship between rock mass integrity and the spacing of structural plane was studied with mathematical analysis. The control standards Dr and Dm of acoustic wave penetration distance which should be complied by wave velocity and test of rock mass were proposed. The arrangement methods for measuring area and measuring points and the receiving transducer system were designed.
Aiming at the need of quick determination of surrounding rock integrity on tunnel face during construction, this paper studied the quick test arrangement principles of rock-mass wave velocity. Based on the domestic main standards and specifications, the criteria for spacing of rock mass structural plane was analyzed by correction method and quantitative relationship between rock mass integrity and the spacing of structural plane was studied with mathematical analysis. The control standards Dr and Dm of acoustic wave penetration distance which should be complied by wave velocity and test of rock mass were proposed. The arrangement methods for measuring area and measuring points and the receiving transducer system were designed.
引文
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[5]郭磊,傅鹤林.基于人工神经网络的梅关隧道围岩级别判别[J].现代隧道技术,2010,(3):13-17.GUO Lei,FU Helin.Rockmass Classification for Meiguan Tunnel Based on Artificial Neural Net[J].Modern Tunnelling Technology,2010,(3):13-17.
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[8]张奇华,边智华,余美万.采用全空间块体搜索技术初步研究岩体完整性[J].岩石力学与工程学报,2009,28(3):507-515.ZHANG Qihua,BIAN Zhihua,YU Meiwan.Preliminary Research on Rockmass Integrity Using Spatial Block Identification Technique[J].Chinese Journal of Rock Mechanics and Engineering,2009,28(3):507-515.
[9]鲁光银.隧道地质灾害反射波法探测数值模拟及围岩F-AHP分级研究[D].长沙:中南大学,博士论文,2009.LU Guangyin.Numerical Simulation for Tunnel Geological Hazard Detection by Reflected Wave Method and Rock Dynamic Classification by F-AHP Method Research[D].Changsha:Central South University,Doctorial Thesis,2009.
[10]段世委,许仙娥.岩体完整性系数确定及应用中的几个问题探讨[J].工程地质学报,2013,21(4):548-553.DUAN Shiwei,XU Xian′e.Discussion of Problems in Calculation and Application of Rock Mass Integrity Coefficient[J].Journal of Engineering Geology,2013,21(4):548-553.
[11]简文彬,吴振祥,邓鼎兴.某地下工程围岩的声波频谱特性[J].岩土力学,2003,24(增):625-627.JIAN Wenbin,WU Zhenxiang,DENG Dingxing.On the Character of Frequency Spectrum for an Underground Engineering Wall Rock[J].Rock and Soil Mechanics,2003,24(S):625-627.
[12]涂忠仁.各向异性岩体超声波测试试验研究[J].重庆建筑大学学报,2007,29(6):39-43.TU Zhongren.Ultrasonic Test Research on Anisotropic Rock Mass[J].Journal of Chongqing Jianzhu University,2007,29(6):39-43.
[13]万剑和,孙晔玲,张煜.干挂石材幕墙用环氧胶粘剂与云石胶的比较[J].江苏建筑,2010,(2):95-97.WAN Jianhe,SUN Yeling,ZHANG Yu.Comparison between Epoxy Adhesive for Dry-fixing Stone Curtain Wall and Structural Load-unbearing Stone Adhesive[J].Jiangsu Construction,2010,(2):95-97.
[2]黄健.长大隧道围岩智能分级系统开发与应用[D].成都:成都理工大学,硕士论文,2009.HUANG Jian.Development and Application of the Surrounding Rock Intelligent Classification System on Long Tunnel[D].Chengdu:Chengdu University of Technology,Master Thesis,2009.
[3]江勇顺,李天斌,张广洋.山区高速公路隧道围岩分级智能判别系统初探[J].现代隧道技术,2013,(5):6-11.JIANG Yongshun,LI Tianbin,ZHANG Guangyang.Discussion of an Intelligent Rock Classification System for Expressway Tunnels in Mountain Areas[J].Modern Tunnelling Technology,2013,(5):6-11.
[4]李苍松,王石春.坝陵河大桥西锚洞岩溶围岩分级[J].岩石力学与工程学报,2009,28(6):1208-1212.LI Cangsong,WANG Shichun.Karst Rock Classification for West Anchor Tunnel of Balinghe Bridge[J].Chinese Journal of Rock Mechanics and Engineering,2009,28(6):1208-1212.
[5]郭磊,傅鹤林.基于人工神经网络的梅关隧道围岩级别判别[J].现代隧道技术,2010,(3):13-17.GUO Lei,FU Helin.Rockmass Classification for Meiguan Tunnel Based on Artificial Neural Net[J].Modern Tunnelling Technology,2010,(3):13-17.
[6]周元辅,邓建辉.基于纵波波速的块状岩体GSI系统[J].岩石力学与工程学报,2016,(5):948-956.ZHOU Yuanfu,DENG Jianhui.GSI System for Rock Blocks Based on Longitudinal Wave Velocity[J].Chinese Journal of Rock Mechanics and Engineering,2016,(5):948-956.
[7]李术才,刘洪亮,李利平,等.基于数码图像的掌子面岩体结构量化表征方法及工程应用[J].岩石力学与工程学报,2017,36(1):1-9.LI Shucai,LIU Hongliang,LI Liping,et al.A Quantitative Method for Rock Structure at Working Faces of Tunnels Based on Digital Images and Its Application[J].Chinese Journal of Rock Mechanics and Engineering,2017,36(1):1-9.
[8]张奇华,边智华,余美万.采用全空间块体搜索技术初步研究岩体完整性[J].岩石力学与工程学报,2009,28(3):507-515.ZHANG Qihua,BIAN Zhihua,YU Meiwan.Preliminary Research on Rockmass Integrity Using Spatial Block Identification Technique[J].Chinese Journal of Rock Mechanics and Engineering,2009,28(3):507-515.
[9]鲁光银.隧道地质灾害反射波法探测数值模拟及围岩F-AHP分级研究[D].长沙:中南大学,博士论文,2009.LU Guangyin.Numerical Simulation for Tunnel Geological Hazard Detection by Reflected Wave Method and Rock Dynamic Classification by F-AHP Method Research[D].Changsha:Central South University,Doctorial Thesis,2009.
[10]段世委,许仙娥.岩体完整性系数确定及应用中的几个问题探讨[J].工程地质学报,2013,21(4):548-553.DUAN Shiwei,XU Xian′e.Discussion of Problems in Calculation and Application of Rock Mass Integrity Coefficient[J].Journal of Engineering Geology,2013,21(4):548-553.
[11]简文彬,吴振祥,邓鼎兴.某地下工程围岩的声波频谱特性[J].岩土力学,2003,24(增):625-627.JIAN Wenbin,WU Zhenxiang,DENG Dingxing.On the Character of Frequency Spectrum for an Underground Engineering Wall Rock[J].Rock and Soil Mechanics,2003,24(S):625-627.
[12]涂忠仁.各向异性岩体超声波测试试验研究[J].重庆建筑大学学报,2007,29(6):39-43.TU Zhongren.Ultrasonic Test Research on Anisotropic Rock Mass[J].Journal of Chongqing Jianzhu University,2007,29(6):39-43.
[13]万剑和,孙晔玲,张煜.干挂石材幕墙用环氧胶粘剂与云石胶的比较[J].江苏建筑,2010,(2):95-97.WAN Jianhe,SUN Yeling,ZHANG Yu.Comparison between Epoxy Adhesive for Dry-fixing Stone Curtain Wall and Structural Load-unbearing Stone Adhesive[J].Jiangsu Construction,2010,(2):95-97.