基于GOCAD的成都地铁声波参数可视化应用研究
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摘要
利用GOCAD软件的参数建模功能,将成都地铁某段线路沿线声波测试法测得的各层岩土体的纵、横波传播速度作为区域化随机变量进行属性地质模型的构建,沿地铁走向建立的三维地质模型不仅可以体现沿线地层空间分布规律特征,而且可以直观展现出地质体的动弹性力学特性,实现了地质体空间结构展布与力学特征的结合和可视化,并且通过GOCAD软件提供的地质统计分析方法来预测模型中任意点的参数值,更有助于观察声波参数在研究区域内的变化趋势,可简捷高效对地铁沿线建筑土类型及场地级别进行划分,从而方便工程设计人员更加便捷详细地获得直观、准确的工程地质信息。
Based on the parametric modeling capabilities of GOCAD,this paper gets the data of the shear wave velocity and the longitudinal wave velocity which were measured by acoustic test method on each stratum along the subway in Chengdu. They were used as the regionalized random variables to build attributive geologic model.The established 3D geological model can not only reflect the characteristics of stratum spatial distribution but also intuitively show the dynamic elastic mechanics characteristics of geologic body. It achieved combination and visualization of the distribution of spatial structure and mechanical properties. In addition,the use of kinds of geological statistical analysis methods provided by GOCAD software canpredict any parameter values of arbitrary point in the model and well observe the change trend of acoustic parameters in the study area,which can be simple and efficient to evaluate the soil type and site level along the subway,assisting designers in achieving intuitive and accurate engineering geological information conveniently.
Based on the parametric modeling capabilities of GOCAD,this paper gets the data of the shear wave velocity and the longitudinal wave velocity which were measured by acoustic test method on each stratum along the subway in Chengdu. They were used as the regionalized random variables to build attributive geologic model.The established 3D geological model can not only reflect the characteristics of stratum spatial distribution but also intuitively show the dynamic elastic mechanics characteristics of geologic body. It achieved combination and visualization of the distribution of spatial structure and mechanical properties. In addition,the use of kinds of geological statistical analysis methods provided by GOCAD software canpredict any parameter values of arbitrary point in the model and well observe the change trend of acoustic parameters in the study area,which can be simple and efficient to evaluate the soil type and site level along the subway,assisting designers in achieving intuitive and accurate engineering geological information conveniently.
引文
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[9]贾新会,王小兵,曹文广.基于GOCAD平台的地质三维建模技术在水电工程中的应用[J].西北水电,2012(4):18-22.JIA Xinhui,WANG Xiaobing,CAO Wenguang.Application of technology on 3D geological modeling based on GOCAD in hydropower engineering[J].Northwest Water Power,2012(4):18-22.
[10]张聚兴.三维地质建模在工程地质环境质量评价中的应用研究[D].北京:中国地质大学,2006.ZANG Juxing.The study on application of three-dimensional modeling in evaluation of engineering geological environmental quality[D].Beijing:China University of Geosciences,2006.
[11]宋大各,胡卸文.GOCAD技术在城市环境地质评价中的应用[J].地质灾害与环境保护,2009,20(1):55-59.SONG Dage,HU Xiewen.The application of gocad technology in urban environmental geology evaluation[J].Journal of Geological Hazards and Environment Preservation,2009,20(1):55-59.
[12]董慧超.北京地铁九号线三维地质建模研究[D].北京:中国地质大学,2011.DONG Huichao.Geological modeling and analyzing of Beijing subway line 9[D].Beijing:China University of Geosciences,2011.
[13]王明.GOCAD在郑州地铁1号线三维地质建模中的应用研究[D].成都:西南交通大学,2013.WANG Ming.The study on application of three-dimensionalmodeling in Zhengzhou Subway Line 1 by usingthe software named GOCAD[D].Chengdu:Southwest Jiaotong University,2013.
[14]刘晶海.声波测试技术在工程地质中的应用[J].吉林地质,1997,16(2):71-77.LIU Jinghai.An application of sound wave measuring technique in engineering geology[J].Jilin Geology,1997,16(2):71-77.
[15]熊健,胡树林,左勖,等.基于钻孔电视和声波测试的某地下水封洞库岩体质量初步评价[J].工程勘察,2014,42(8):24-29.XIONG Jian,HU Shuling,ZUO Xu,et al.Preliminary evaluation for rock mass quality of certain underground water enclosed cavern based on borehole television and sonic testing[J].Geological Investigation&Surveying,2014,42(8):24-29.
[16]马中高,解吉高.岩石的纵,横波速度与密度的规律研究[J].地球物理学进展,2006,20(4):905-910.MA Zhonggao,XIE Jiegao.Relationship among compressional wave,shear wave velocities and density of rocks[J].Progress in Geophysics,2006,20(4):905-910.
[17]2010 G B,建筑抗震设计规范[S].2010 G B,Code for seismic design of buildings[S].
[18]钱洪,唐荣昌.成都平原的形成与演化[J].四川地震,1997(3):1-7.QIAN Hong,TANG Rongchang.On the formation and evolution of the Chengdu plain[J].Sichuan Earthquake,1997(3):1-7.
[2]Bell F G.Geological-evolutionary model of a gravityinduced slope deformation in the carbonate central apennines(Italy)[J].Quarterly Journal of Engineering Geology&Hydrogeology,2004,37(1):31-47.
[3]张洋洋,周万蓬,吴志春,等.三维地质建模技术发展现状及建模实例[J].东华理工大学学报(社会科学版),2013,32(3):403-409.ZHANG Yangyang,ZHOU Wanpeng,WU Zhichun,et al.The development status of 3D geological modeing technology and modeling instances[J].Journal of East China Institute of Technology(Social Science),2011,28(4):69-73.
[4]黄静莉,王清.基于GOCAD的三维工程地质地层建模研究[J].吉林地质,2013,32(3):111-114.HUANG Jingli,WANG Qing.Research of three-dimensional engineering geology trata modeling based on GOCAD[J].Jilin Geology,2013,32(3):111-114.
[5]邵国波,郭艳,蔡冰.GOCAD软件在三维地质建模中的应用[J].山东交通科技,2012(5):25-27.SHAO Guobo,GUO Yan,CAI Bing.GOCAD software application in three-dimensional geologicalmodeling method[J].Shandong Transportation Technology,2012(5):25-27.
[6]向中林,王妍,王润怀,等.基于钻孔数据的矿山三维地质建模及可视化过程研究[J].地质与勘探,2009(1):75-81.XIANG Zonglin,WANG Yan,WANG Runhuai,et al.3D geological modeling and visualization process of mines based on borehole data[J].Geology and Exploration,2009(1):75-81.
[7]张燕飞,朱杰勇,张威.基于GOCAD的三维地质模型构建[J].河北工程大学学报(自然科学版),2011,28(4):69-73.ZHANG Yanfei,ZHU Jieyong,ZHANG Wei.3D geological modeling method based on GOCAD[J].Journal of Hebei University of Engineering(Nature Science Edition),2011,28(4):69-73.
[8]童亮,胡卸文,汪雪瑞.GOCAD在某桥基边坡三维地质建模中的应用研究[J].地质灾害与环境保护,2009,20(1):60-65.TONG Liang,HU Xiewen,WANG Xuerui.Study on application of three-dimensional modeling to a bridge slope by using the software named gocad[J].Journal of Geological Hazards and Environment Preservation,2009,20(1):60-65.
[9]贾新会,王小兵,曹文广.基于GOCAD平台的地质三维建模技术在水电工程中的应用[J].西北水电,2012(4):18-22.JIA Xinhui,WANG Xiaobing,CAO Wenguang.Application of technology on 3D geological modeling based on GOCAD in hydropower engineering[J].Northwest Water Power,2012(4):18-22.
[10]张聚兴.三维地质建模在工程地质环境质量评价中的应用研究[D].北京:中国地质大学,2006.ZANG Juxing.The study on application of three-dimensional modeling in evaluation of engineering geological environmental quality[D].Beijing:China University of Geosciences,2006.
[11]宋大各,胡卸文.GOCAD技术在城市环境地质评价中的应用[J].地质灾害与环境保护,2009,20(1):55-59.SONG Dage,HU Xiewen.The application of gocad technology in urban environmental geology evaluation[J].Journal of Geological Hazards and Environment Preservation,2009,20(1):55-59.
[12]董慧超.北京地铁九号线三维地质建模研究[D].北京:中国地质大学,2011.DONG Huichao.Geological modeling and analyzing of Beijing subway line 9[D].Beijing:China University of Geosciences,2011.
[13]王明.GOCAD在郑州地铁1号线三维地质建模中的应用研究[D].成都:西南交通大学,2013.WANG Ming.The study on application of three-dimensionalmodeling in Zhengzhou Subway Line 1 by usingthe software named GOCAD[D].Chengdu:Southwest Jiaotong University,2013.
[14]刘晶海.声波测试技术在工程地质中的应用[J].吉林地质,1997,16(2):71-77.LIU Jinghai.An application of sound wave measuring technique in engineering geology[J].Jilin Geology,1997,16(2):71-77.
[15]熊健,胡树林,左勖,等.基于钻孔电视和声波测试的某地下水封洞库岩体质量初步评价[J].工程勘察,2014,42(8):24-29.XIONG Jian,HU Shuling,ZUO Xu,et al.Preliminary evaluation for rock mass quality of certain underground water enclosed cavern based on borehole television and sonic testing[J].Geological Investigation&Surveying,2014,42(8):24-29.
[16]马中高,解吉高.岩石的纵,横波速度与密度的规律研究[J].地球物理学进展,2006,20(4):905-910.MA Zhonggao,XIE Jiegao.Relationship among compressional wave,shear wave velocities and density of rocks[J].Progress in Geophysics,2006,20(4):905-910.
[17]2010 G B,建筑抗震设计规范[S].2010 G B,Code for seismic design of buildings[S].
[18]钱洪,唐荣昌.成都平原的形成与演化[J].四川地震,1997(3):1-7.QIAN Hong,TANG Rongchang.On the formation and evolution of the Chengdu plain[J].Sichuan Earthquake,1997(3):1-7.
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