综合超前地质预报在长乐山隧道施工中的应用
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摘要
在岩溶地区修建隧道过程中,经常遇到突水、突泥等地质灾害。为了规避地质灾害的发生、减少其对隧道施工运营造成的损失,通常要投入大量的隧道超前地质预报工作。文章在进行水文、地质、地貌研究的基础上,提出了运用岩溶地质学原理对隧道岩溶发育情况进行定性预测,划分重点预报地段、选择合适的物探方法或物探组合模式、有的放矢地进行综合超前预报的观点;以长乐山隧道为工程背景,采用了岩溶地质定性预测+地震波法探测+地质雷达探测的超前预报模式,取得了良好的效果,验证了综合超前地质预报的有效性、经济性。
The necessity and importance of advance geologic prediction should be emphasized when construction tunnels in karst areas where often occur geological hazards such as water inrush and mud inrush.Based on the hydrological,geological and topographical studies,an integrated method is put forth in this paper which incorporates the qualitative prediction of karst development in tunnels,the division of major prediction sections and the selection of proper geophysical prospecting method or hybrid method by utilizing the principles of karst geology.Taking the project of Changleshan Tunnel as an example,three methods(qualitative prediction,TSP200 and Ground Penetrating Radar) were adopted as integrated advance prediction which validated the effectiveness of such prediction.
The necessity and importance of advance geologic prediction should be emphasized when construction tunnels in karst areas where often occur geological hazards such as water inrush and mud inrush.Based on the hydrological,geological and topographical studies,an integrated method is put forth in this paper which incorporates the qualitative prediction of karst development in tunnels,the division of major prediction sections and the selection of proper geophysical prospecting method or hybrid method by utilizing the principles of karst geology.Taking the project of Changleshan Tunnel as an example,three methods(qualitative prediction,TSP200 and Ground Penetrating Radar) were adopted as integrated advance prediction which validated the effectiveness of such prediction.
引文
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[10]周治国,刘保卫,唐猛雄,等.TSP和GPR综合方法隧道超前地质预报[J].矿业研究与开发,2008,28(4):32~33Zhou Zhiguo,Liu Baowei,Tang Mengxiong,et al.Advanced Geological Prediction for Tunnel Construction by Integrated Methodof TSP and GPR[J].Mining Research and Development,2008,28(4):32~33
[11]Flemming JφRgensen,Holger Lykke-Andersen,Peter B E.Sandersen,et al.Geophysical Investigations of Buried QuaternaryValleys in Denmark:an Integrated Application of Transient Electromagnetic Soundings,Reflection Seismic Surveys andExploratory Drillings[J].Journal of Applied Geophysics,2003,(53):215~228
[12]Chow J,Angelier J,et al.Paleoseismic Eventand Active Faulting from Ground Penetrating Radar and High-resolution SeismicReflection Profiles across the Chihshang Fault,Eastern Taiwan[J].Tectonophysics,2001,33(3):241~259
[2]王遇国,梅志荣.岩溶隧道突水风险与保险机制探讨[J].现代隧道技术,2009,46(4):30~35Wang Yuguo,Mei Zhirong.Discussion about the Risk and Insurance Mechanism of Waterburst in Karst Tunnel[J].ModernTunnelling Technology,2009,46(4):30~35
[3]袁明生,陈建平,姚阳,等.地质法在隧道超前地质预报中的作用探讨[J].现代隧道技术,2008,45(5):78~81Yuan Mingsheng,Chen Jianping,Yao Yang,et al.Role of Geological Method in Tunnel Advance Geological Prediction[J].ModernTunnelling Technology,2008,45(5):78~81
[4]秦小林,蒋忠信.用岩溶地质学方法对铁路隧道溶洞进行定性预测[J].铁道工程学报,1998,(1):115~119Qin Xiaolin,Jiang Zhongxin.Qualitative Forecasting for Karst Cave in Railway Tunnel by Karst Geological Method[J].Journal ofRailway Engineering Society,1998,(1):115~119
[5]张英骏,等.应用岩溶学及洞穴学[M].贵州:贵州人民出版社,1985Zhang Yingjun,et al.Applied Karstology and Speleology[M].Guizhou:Guizhou People's Press,1985
[6]李奎,高波.岩溶区隧道岩溶发育规律与岩溶洞穴探测[J].西部探矿工程,2005,(10):701~011Li Kui,Gao Bo.Development Laws of Karst Concerning Tunnel in Karst Area and Exploration of Karst Caves[J].West-ChinaExploration Engineering,2005,(10):701~011
[7]吴德胜.三种物探方法在岩溶隧道地质超前预报中的综合应用[C].中国地球物理学会第22届年会论文集.2006:212Wu Desheng.Comprehensive Application of Three Geophysical Prospecting Methods in Geological Prediction for Tunnels in KarstArea[C].Proceedings of The 22th Annual Congress of Chinese Geophysical Society.2006:212
[8]王武,汤井田,肖晓.地质雷达技术及其应用[C]."当代矿山地质地球物理新发展"论文集.2004:304~309Wang Wu,Tang Jingtian,Xiao Xiao.Geological Radar Technology and Its Application[C].Proceedings of"New Development ofGeology and Geophysics for Modern Mine.2004:304~309
[9]朱鹏飞.宜万线隧道工程施工地质超前预测预报策划与应用效果初步评价[J].现代隧道技术,2005,42(5):52~59Zhu Pengfei.Preliminary Evaluation for the Planning and the Effects of Application of the Advance Geological Prediction andForecast in Tunnel Construction on Yiwan Railway Line[J].Modern Tunnelling Technology,2005,42(5):52~59
[10]周治国,刘保卫,唐猛雄,等.TSP和GPR综合方法隧道超前地质预报[J].矿业研究与开发,2008,28(4):32~33Zhou Zhiguo,Liu Baowei,Tang Mengxiong,et al.Advanced Geological Prediction for Tunnel Construction by Integrated Methodof TSP and GPR[J].Mining Research and Development,2008,28(4):32~33
[11]Flemming JφRgensen,Holger Lykke-Andersen,Peter B E.Sandersen,et al.Geophysical Investigations of Buried QuaternaryValleys in Denmark:an Integrated Application of Transient Electromagnetic Soundings,Reflection Seismic Surveys andExploratory Drillings[J].Journal of Applied Geophysics,2003,(53):215~228
[12]Chow J,Angelier J,et al.Paleoseismic Eventand Active Faulting from Ground Penetrating Radar and High-resolution SeismicReflection Profiles across the Chihshang Fault,Eastern Taiwan[J].Tectonophysics,2001,33(3):241~259
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