基于声纳渗流技术的地铁联络通道涌水探测应用研究
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摘要
针对复杂水文地质条件的地铁区间隧道联络通道涌水风险,引入声纳渗流技术探测联络通道区域内地下渗流场特征,采用三维流速矢量声纳测量仪分别进行洞内无损探测和地表井孔测量,综合判断探测区域内的渗流场分布规律。研究结果表明:声纳渗流技术可以在水文地质勘察和涌水渗漏治理中应用,快速准确地测量渗水路径、补给来源以及流速、流向、流量、渗透系数等量化指标,以此建立地下渗流场三维可视化云图,科学指导工程降水设计、涌水渗漏处理,并能验证注浆堵漏处理效果,提前防控暗挖隧道涌水渗漏风险,可为类似工程的安全风险管控提供借鉴和参考。
Aiming at the risk of water inflow in the connecting passage of metro tunnel under the complex hydrogeological conditions,the sonar seepage technology was introduced to detect the characteristic of underground seepage field in the area of connecting passage. The internal non-destructive detection and ground surface borehole measurement were carried out respectively by using the three-dimensional flow velocity vector sonar detecting instrument,and the distribution laws of seepage field in the detection area were judged comprehensively. The results showed that the sonar seepage technology can be used in the hydrogeological investigation and the water inflow and leakage treatment. The seepage path,supply source and quantitative indexes such as flow velocity,flow direction,flow rate and permeability coefficient can be measured quickly and accurately,thus the three-dimensional visualized cloud map of underground seepage field can be established,so as to scientifically guide the engineering dewatering design and the water inflow and leakage treatment. Meanwhile,the effect of grouting plugging treatment can be verified to prevent and control the risk of water inflow and leakage of the concealed excavation tunnel in advance. It can provide the reference for the safety risk control of similar engineering.
Aiming at the risk of water inflow in the connecting passage of metro tunnel under the complex hydrogeological conditions,the sonar seepage technology was introduced to detect the characteristic of underground seepage field in the area of connecting passage. The internal non-destructive detection and ground surface borehole measurement were carried out respectively by using the three-dimensional flow velocity vector sonar detecting instrument,and the distribution laws of seepage field in the detection area were judged comprehensively. The results showed that the sonar seepage technology can be used in the hydrogeological investigation and the water inflow and leakage treatment. The seepage path,supply source and quantitative indexes such as flow velocity,flow direction,flow rate and permeability coefficient can be measured quickly and accurately,thus the three-dimensional visualized cloud map of underground seepage field can be established,so as to scientifically guide the engineering dewatering design and the water inflow and leakage treatment. Meanwhile,the effect of grouting plugging treatment can be verified to prevent and control the risk of water inflow and leakage of the concealed excavation tunnel in advance. It can provide the reference for the safety risk control of similar engineering.
引文
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[15]杜国平,郭建强,黎咏泉,等.南京城际轨道交通宁高线盾构井声呐渗流控制技术应用[J].铁道勘察,2017,43(6):61-65.DU Guoping,GUO Jianqiang,LI Yongquan,et al. The application and sonar seepage detection technology in Nanjing Lishui subway line Lishui river shield well[J]. Railway Investigation and Surveying,2017,43(6):61-65.
[16]杨德森,洪连进.水下矢量声场理论与应用[M].北京:科学出版社,2013.
[17]杜国平,郑喜莲,王律,等.航空定向技术在地下水流速流向中的应用研究[J].南京航空航天大学学报,2000,32(4):483-486.DU Guoping,ZHENG Xilian,WANG Lv,et al. Measuring velocity and direction of groundwater by using directional aviation techniques[J]. Journal of Nanjing University of Aeronautics&Astronautics,2000,32(4):483-486.
[18]中华人民共和国水利部.水工混凝土结构缺陷检测技术规程:SL713-2015[S].北京:中国水利水电出版社,2015.
[2]许熠,陈柳娟,狄永媚,等.越江隧道联络通道抢险与注浆加固[J].施工技术,2004,33(3):14-16.XU Yi,CHEN Liujuan,DI Yongmei,et al. Emergency treatment and grouting strengthening for contact[J]. Construction Technology,2004,33(3):14-16.
[3]李术才,刘斌,孙怀凤,等.隧道施工超前地质预报研究现状及发展趋势[J].岩石力学与工程学报,2014,33(6):1090-1113.LI Shucai,LIU Bin,SUN Huaifeng,et al. State of art and trends of advanced geological prediction in tunnel construction[J]. Chinese Journal of Rock Mechanics and Engineering,2014,33(6):1090-1113.
[4]钟世航,孙宏志,李术才,等.隧道及地下工程施工中岩溶裂隙水及断层、溶洞等隐患的探查、预报[J].岩石力学与工程学报,2012,31(S1):3298-3327.ZHONG Shihang,SUN Hongzhi,LI Shucai,et al. Tunnels and underground construction in karst fissure water and forecasting[J]. Rock Mechanics and Engineering,2012,31(S1):3298-3327.
[5]邱道宏,钟世航,李术才,等.陆地声纳法在隧道不良地质超前预报中的应用[J].山东大学学报(工学版),2009,39(4):17-20,29.QIU Daohong,ZHONG Shihang,LI Shucai,et al. Application of the land sonar method in tunnel defective geologicaladvanced prediction[J]. Journal of Shandong University(Engineering Science),2009,39(4):17-20,29.
[6]刘静,刘盛东,曹煜,等.地下水渗流与地电场参数响应的定量研究[J].岩石力学与工程学报,2013,32(5):986-993.LIU Jing,LIU Shengdong,CAO Yu,et al. Quantitative study of geoelectrical parameter response to groundwater seepage[J]. Chinese Journal of Rock Mechanics and Engineering,2013,32(5):986-993.
[7]安辉.红外探测技术在隧道超前地质预报中优、缺点探讨[J].铁道标准设计,2014,58(3):101-104.AN Hui. Study on advantages and disadvantages of infrared detection technology used in geological forecast of tunnel[J]. Railway Standard Design,2014,58(3):101-104.
[8]任志平,李貅,赵威,等.地面核磁共振找水三维有限元数值模拟[J].地球物理学进展,2016,31(3):1152-1157.REN Zhiping,LI Xiu,ZHAO Wei,et al. Three-dimensional finite element numerical simulation for surface nuclear magnetic resonance[J]. Progress in Geophysics,2016,31(3):1152-1157.
[9]薛国强,于景邨.瞬变电磁法在煤炭领域的研究与应用新进展[J].地球物理学进展,2017,32(1):319-326.XUE Guoqiang,YU Jingcun. New development of TEM research and application in coal mine exploration[J]. Progress in Geophysics,2017,32(1):319-326.
[10] H9tzl H,WERNER A. Tracer hydrology:Proceedings of the 6th International Symposium on water Tracing,September 21-26,1992[C]. Germany:Karlsruhe,1992.
[11]杜国平.智能化地下水动态参数测量仪[J].核技术,2002,25(1):20-24.DU Guoping. An intelligent instrument for measuring the dynamic parameters of groundwater[J]. Nuclear Techniques,2002,25(1):20-24.
[12]叶合欣,陈建生.放射性同位素示踪稀释法测定涌水含水层渗透系数[J].核技术,2007,30(9):739-744.YE Hexin,CHEN Jiansheng. Measurement of permeability coefficient in gushing aquifer by radioisotope tracer dilution[J]. Nuclear Techniques,2007,30(9):739-744.
[13] BECKER M W,GEORGIAN T,AMBROSE H,et al. Estimating flow and flux of ground water discharge using water temperature and velocity[J]. Journal of Hydrology,2004,296(1-4),221-233.
[14]董海洲,陈建生.利用温度示踪方法探测基坑渗漏[J].岩石力学与工程学报,2004,23(12):2085-2090.DONG Haizhou,CHEN Jiansheng. Study on groundwater leakage of foundation pit with temperature tracer method[J]. Chinese Journal of Rock Mechanics and Engineering,2004,23(12):2085-2090.
[15]杜国平,郭建强,黎咏泉,等.南京城际轨道交通宁高线盾构井声呐渗流控制技术应用[J].铁道勘察,2017,43(6):61-65.DU Guoping,GUO Jianqiang,LI Yongquan,et al. The application and sonar seepage detection technology in Nanjing Lishui subway line Lishui river shield well[J]. Railway Investigation and Surveying,2017,43(6):61-65.
[16]杨德森,洪连进.水下矢量声场理论与应用[M].北京:科学出版社,2013.
[17]杜国平,郑喜莲,王律,等.航空定向技术在地下水流速流向中的应用研究[J].南京航空航天大学学报,2000,32(4):483-486.DU Guoping,ZHENG Xilian,WANG Lv,et al. Measuring velocity and direction of groundwater by using directional aviation techniques[J]. Journal of Nanjing University of Aeronautics&Astronautics,2000,32(4):483-486.
[18]中华人民共和国水利部.水工混凝土结构缺陷检测技术规程:SL713-2015[S].北京:中国水利水电出版社,2015.