基于GOCAD的TRT测试成果解译方法研究
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摘要
在隧洞超前地质预报中的TRT技术应用越来越广泛,但其成果解译一直是超前地质预报工作的重点和难点,目前常用的解译方法相对单一,效果也不甚理想。基于此,文章针对目前TRT成果解译过程中存在的预测依据与测试区实际地质条件结合程度相对较低、灾害体的发育程度及部位预测准确性相对较低等问题,提出了相应的改进方法,通过将TRT测试段的实际地质条件导入GOCAD软件中创建模型,再将TRT测试所得三维数据导入模型中,使其成为模型的一部分,实现了TRT成果图像与实际地质条件之间的互联互通;通过增加成果图像中色谱组合颜色的种类,使成果图像在反映灾害体的同时,能够反映其发育程度;通过将隧洞坐标和TRT测试数据同时导入GOCAD中创建模型,明确了灾害体与隧洞之间的位置关系,实现了对灾害体发育部位和规模的精确预报。实例应用表明,改进后的成果解译方法能够大大提高TRT超前地质预报的准确性和精度,具有较好的应用前景。
The TRT technology has been more and more widely applied to tunnel geological prediction.However,the result interpretation is always the key and difficult point in geological prediction,since there are a few kinds of interpretation methods and the results are not quite precise.Aiming at the problems in result interpretation of TRT,such as the low combining degree of prediction criteria with actual geological conditions of test area and low prediction accuracy of disaster body′s development degree and position,some corresponding improvement methods were proposed,namely the actual geological conditions of TRT test section were introduced to GOCAD to create a model and then the TRT 3 D data were introduced to the model,realizing the interconnection between TRT test images and actual geological conditions.By adding varieties of color combination in the result image,the TRT result image can reflect both the disaster body and its development degree.A model was established by introducing tunnel coordinates and TRT test data to GOCAD,and the relative position relation between the disaster body and tunnel is understood,the precise prediction of development position and scale of disaster body was realized.Case application shows the improved TRT result interpretation method can greatly increase the accuracy and precision of TRT geological prediction.
The TRT technology has been more and more widely applied to tunnel geological prediction.However,the result interpretation is always the key and difficult point in geological prediction,since there are a few kinds of interpretation methods and the results are not quite precise.Aiming at the problems in result interpretation of TRT,such as the low combining degree of prediction criteria with actual geological conditions of test area and low prediction accuracy of disaster body′s development degree and position,some corresponding improvement methods were proposed,namely the actual geological conditions of TRT test section were introduced to GOCAD to create a model and then the TRT 3 D data were introduced to the model,realizing the interconnection between TRT test images and actual geological conditions.By adding varieties of color combination in the result image,the TRT result image can reflect both the disaster body and its development degree.A model was established by introducing tunnel coordinates and TRT test data to GOCAD,and the relative position relation between the disaster body and tunnel is understood,the precise prediction of development position and scale of disaster body was realized.Case application shows the improved TRT result interpretation method can greatly increase the accuracy and precision of TRT geological prediction.
引文
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[15]褚军凯,霍俊发,张宏福,等.TRT层析扫描超前预报系统在西石门铁矿深部开拓中的应用[J].现代矿业,2011(12):32-35.CHU Junkai,HUO Junfa,ZHANG Hongfu,et al.Application of TRT Chromatography Scan Advance Forecast System in Deep Development of Xishimen Iron Ore[J].Modern Mining,2011(12):32-35.
[16]刘兆勇.阿坝州白水江流域玉瓦水电站引水隧洞地质超前预报成果报告[R].成都:四川中水成勘院工程勘察有限责任公司,2016.LIU Zhaoyong.Advanced Geological Prediction Results Report of a Diversion Tunnel of Yuwa Hydropower Station in the Baishuijiang Basin of Aba Prefecture[R].Chengdu:Sichuan Zhongshui Chengkanyuan Geophysical Exploration Co.,Ltd.,2016.
[17]白明洲,田岗,王成亮,等.基于TRT系统的地质构造三维成像技术及其改进方法[J].地球物理学报,2016,59(7):2684-2693.BAI Mingzhou,TIAN Gang,WANG Chengliang,et al.The Three-dimensional Imaging Technology and Its Improvement for Geological Structure Based on the TRT System[J].Chinese Journal of Geophysics,2016,59(7):2684-2693.
[2]李东方,周建芳,丁小平,等.TRT6000预报系统在某公路隧道中的应用[J].公路交通科技,2016(5):59-61.LI Dongfang,ZHOU Jianfang,DING Xiaoping,et al.Application of TRT6000 Forecasting System in a Highway Tunnel[J].Journal of Highway and Transportation Research and Development,2016(5):59-61.
[3]许江波,晏长根,张晓毅,等.隧道施工地震超前地质预报方法[J].土木建筑与环境工程,2016,38(增):166-172.XU Jiangbo,YAN Changgen,ZHANG Xiaoyi,et al.Discussion on the Method of Tunnel Construction Geological Forecast[J].Journal of Civil,Architectural&Environmental Engineering,2016,38(S):166-172.
[4]魏国华.隧道地质地震波法超前探测技术[D].长春:吉林大学,2010.WEI Guohua.The Technology of Tunnel Seismic Geological Prediction[D].Changchun:Jilin University,2010.
[5]喻虹霖.TRT6000在隧道超前地质预报中的应用研究[D].重庆:重庆交通大学,2015.YU Honglin.Study on the TRT6000 Application in Tunnel Geological Prediction[D].Chongqing:Chongqing Jiaotong University,2015.
[6]左昌群,吕乔森,黄彬.隧道施工地质预报方法模糊优选与应用[J].重庆交通大学学报(自然科学版),2012,31(5):948-952.ZUO Changqun,LV Qiaosen,HUANG Bin.Fuzzy Optimization and Its Application of Geologic Prediction Methods in Tunnel Construction[J].Journal of Chongqing Jiaotong University,2012,31(5):948-952.
[7]刘静.地质雷达与TRT法在隧道涌水预报中的应用[J].西部交通科技,2015(11):72-77+112.LIU Jing.Application of Geological Radar and TRT Method in Tunnel Gushing Forecasting[J].Western China Communication Science&Technology,2015(11):72-77+112.
[8]相兴华,邓小鹏,王鹏.TRT在隧道地质超前预报中的应用[J].地下空间与工程学报,2012,8(6):1282-1286+1327.XIANG Xinghua,DENG Xiaopeng,WANG Peng.Application of TRT for Geological Advanced Prediction in Tunnel Construction[J].Chinese Journal of Underground Space and Engineering,2012,8(6):1282-1286+1327.
[9]齐莹.TRT6000超前地质预报系统在铁路隧道施工中的应用[J].国防交通工程与技术,2016(2):78-80.QI Ying.On the Application of the TRT6000 Advanced Geological Forecasting System to the Construction of Railway Tunnels[J].Traffic Engineering and Technology for National Defence,2016(2):78-80.
[10]张曙光.TRT-6000在山西中南部铁路通道隧道工程中的应用研究[D].天津:河北工业大学,2014.ZHANG Shuguang.Application Research of TRT-6000 System in the Railway Corridor Tunnels of Central South Shanxi[D].Tianjin:Hebei University of Technology,2014.
[11]陶忠平,王建林,米健,等.TRT6000隧道超前地质预报系统在牛栏江-滇池补水工程中的应用[J].资源环境与工程,2010,24(5):522-526.TAO Zhongping,WANG Jianlin,MI Jian,et al.Application of TRT6000 Tunnel Seismic Prediction System in Niulanjiang-distance Water Supplement Project[J].Resources Environment&Engineering,2010,24(5):522-526.
[12]刘兆勇,王羿磊,杨威.相对坐标测量系统在TRT法隧道地质超前预报中的应用[J].现代隧道技术,2018,55(2):146-151.LIU Zhaoyong,WANG Yilei,YANG Wei.Relative Coordinate Measuring System Applied in the Geological Advanced Prediction with Tunnel Reflection Tomography[J].Moderen Tunnelling Technology,2018,55(2):146-151.
[13]孙天学,陈遵义,郝进喜,等.TRT地质超前预报技术在矿山中的应用探讨[J].地质与资源,2013,22(3):238-242.SUN Tianxue,CHEN Zunyi,HAO Jinxi,et al.Discussion on the Application of True Reflection Tomography for Geological Prediction in Mines[J].Geology and Resources,2013,22(3):238-242.
[14]李帆,蒋洪林.TRT超前探测技术在井下巷道掘进中的应用[J].有色金属(矿山部分),2016,68(4):57-61.LI Fan,JIANG Honglin.Application of TRT Advanced Detection Technology in Underground Roadway Excavation[J].Nonferrous Metals(Mining Section),2016,68(4):57-61.
[15]褚军凯,霍俊发,张宏福,等.TRT层析扫描超前预报系统在西石门铁矿深部开拓中的应用[J].现代矿业,2011(12):32-35.CHU Junkai,HUO Junfa,ZHANG Hongfu,et al.Application of TRT Chromatography Scan Advance Forecast System in Deep Development of Xishimen Iron Ore[J].Modern Mining,2011(12):32-35.
[16]刘兆勇.阿坝州白水江流域玉瓦水电站引水隧洞地质超前预报成果报告[R].成都:四川中水成勘院工程勘察有限责任公司,2016.LIU Zhaoyong.Advanced Geological Prediction Results Report of a Diversion Tunnel of Yuwa Hydropower Station in the Baishuijiang Basin of Aba Prefecture[R].Chengdu:Sichuan Zhongshui Chengkanyuan Geophysical Exploration Co.,Ltd.,2016.
[17]白明洲,田岗,王成亮,等.基于TRT系统的地质构造三维成像技术及其改进方法[J].地球物理学报,2016,59(7):2684-2693.BAI Mingzhou,TIAN Gang,WANG Chengliang,et al.The Three-dimensional Imaging Technology and Its Improvement for Geological Structure Based on the TRT System[J].Chinese Journal of Geophysics,2016,59(7):2684-2693.
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