地质雷达结合地震映像法在铁路隧道底部隐伏岩溶探测中的应用
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摘要
随着工程建设质量的提高和施工环境的日益复杂,物探技术的精度和可靠性的要求越来越高,单一的物探方法很难满足要求。本文采用地质雷达与地震映像法相结合的综合物探技术,以宜万铁路某一隧道内的岩溶及裂隙带的成功探测为例,证实了该方法在铁路隧道底部隐伏岩溶勘查中的可行性和有效性。
With the improvement of the construction quality in project and the increasingly complicating of the construction environment,the demand of the accuracy and the reliability of geophysical technique becomes higher and higher.But it is difficult to meet the requirements of the single geophysical method.The paper adopting integrated geophysical technique of ground penetrating radar combination with seismic imaging method and using an application of the successful detection of the karst and fissure zone in a tunnel of Yiwan railway as example,confirms the effectiveness and feasibility of the method in the exploration of hidden karst in railway tunnel.
With the improvement of the construction quality in project and the increasingly complicating of the construction environment,the demand of the accuracy and the reliability of geophysical technique becomes higher and higher.But it is difficult to meet the requirements of the single geophysical method.The paper adopting integrated geophysical technique of ground penetrating radar combination with seismic imaging method and using an application of the successful detection of the karst and fissure zone in a tunnel of Yiwan railway as example,confirms the effectiveness and feasibility of the method in the exploration of hidden karst in railway tunnel.
引文
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[2]郝建新,魏玉峰,林雄斌.地质雷达探测干扰因素及图像识别研究[J].工程勘察,2008(11):74~75.
[3]许新刚,李党民,周杰.地质雷达探测中干扰波的识别及处理对策[J].工程地球物理学报,2006,3(2):114~118.
[4]肖宏跃,雷宛,杨威.地质雷达特征图像与典型地质现象的对应关系[J].煤田地质与勘探,2008,36(4):57~61.
[5]夏金儒.地震映像和瞬变电磁法在采区空洞勘查中的综合应用[J].地质找矿论丛,2006,21(增刊):174~176.
[6]常铮.地质雷达的工作原理及应用[J].山西建筑,2007,33(21):126~127.
[7]苗德海.宜万铁路岩溶隧道灾害与防治对策[J].铁道标准设计,2007(7):96~99.
[8]杨祥森,林昀,崔德海.地震映像法在铁路隧道隐伏岩溶勘察中的应用[J].工程地球物理学报,2007,4(5):470~474.
[9]周文峰,雷宛,文华.地质雷达在纳叙铁路隧道衬砌检测中的应用[J].公路隧道,2009(2):48~50.
[10]崔攀.地质雷达在市政道路地下空洞探测中的应用[J].科技促进发展,2008(10):27.
[11]雷林源.探地雷达应用中的几个基本问题[J].物探与化探,1998,22(6):408~414.
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