复杂结构煤层电磁波CT探测研究.pdf

分类号分类号P631.325P631.325密密级级公公开开 U D CU D C 单位代码单位代码 1042410424 工程硕士学位论文工程硕士学位论文 复杂结构煤层电磁波复杂结构煤层电磁波复杂结构煤层电磁波复杂结构煤层电磁波CTCTCTCT探测研究探测研究探测研究探测研究 郭爱民郭爱民 申请学位级别申请学位级别工程硕士工程硕士领域领域名名称称矿业工程矿业工程 指导老师姓名指导老师姓名程程 久久 龙龙职职称称教教授授 副副指导老师指导老师姓名姓名孟孟 新新 华华职职称称研研 究究 员员 山山 东东 科科 技技 大大 学学 二零零六年十一月二零零六年十一月 论文题目论文题目论文题目论文题目 复杂结构煤层电磁波复杂结构煤层电磁波复杂结构煤层电磁波复杂结构煤层电磁波 CTCTCTCT 探测研究探测研究探测研究探测研究 作者姓名作者姓名作者姓名作者姓名 郭郭 爱爱 民民入学时间入学时间入学时间入学时间 2004200420042004 年年 4 4 4 4 月月 领域名称领域名称领域名称领域名称 矿业工程矿业工程研究方向研究方向研究方向研究方向矿业地质工程矿业地质工程 指导教师指导教师指导教师指导教师 程程 久久 龙龙职职职职称称称称教教授授 副指导教师副指导教师副指导教师副指导教师孟孟 新新 华华职职职职称称称称 研研 究究 员员 论文提交日期论文提交日期论文提交日期论文提交日期2006200620062006 年年 11111111月月 论文答辩日期论文答辩日期论文答辩日期论文答辩日期2006200620062006 年年 11111111月月 授予学位日期授予学位日期授予学位日期授予学位日期 DETECTIONDETECTIONDETECTIONDETECTION STUDYSTUDYSTUDYSTUDYOFOFOFOFTHETHETHETHE ELECTROMAGNETICELECTROMAGNETICELECTROMAGNETICELECTROMAGNETIC WAVEWAVEWAVEWAVETOMOGRAPHYTOMOGRAPHYTOMOGRAPHYTOMOGRAPHYININININCOMPLICATEDCOMPLICATEDCOMPLICATEDCOMPLICATED STRUCTURESTRUCTURESTRUCTURESTRUCTURE COALCOALCOALCOAL BEDBEDBEDBED A A A ADissertationDissertationDissertationDissertationtedtedtedtedininininfulfillmentfulfillmentfulfillmentfulfillmentofofofof thethethethe requirementsrequirementsrequirementsrequirements ofofofof thethethethedegreedegreedegreedegreeofofofof MASTERMASTERMASTERMASTER ofofofofENGINEERINGENGINEERINGENGINEERINGENGINEERING fromfromfromfrom ShandongShandongShandongShandong UniversityUniversityUniversityUniversity ofofofof ScienceScienceScienceScience andandandand TechnologyTechnologyTechnologyTechnology b b b by y y y GuoGuoGuoGuoAiminAiminAiminAimin SupervisorSupervisorSupervisorSupervisor ProfessorProfessorProfessorProfessorChengChengChengCheng JiulongJiulongJiulongJiulong Sub-sSub-sSub-sSub-supervisorupervisorupervisorupervisor R R R Researcheresearcheresearcheresearcher MengMengMengMeng XinhuaXinhuaXinhuaXinhua CollegeCollegeCollegeCollegeofofofof NaturalNaturalNaturalNatural ResourcesResourcesResourcesResourcesandandandand EnvironmentalEnvironmentalEnvironmentalEnvironmental EngineeringEngineeringEngineeringEngineering NovemberNovemberNovemberNovember 2006200620062006 声声明明 本人呈交给山东科技大学的这篇硕士学位论文本人呈交给山东科技大学的这篇硕士学位论文，，除了所列参考文献和世所公除了所列参考文献和世所公 认的文献外，全部是本人在导师指导下的研究成果。该论文资料尚没有呈交于认的文献外，全部是本人在导师指导下的研究成果。该论文资料尚没有呈交于 其它任何学术机关作鉴定。其它任何学术机关作鉴定。 工程硕士生签名工程硕士生签名 日日期期 AFFIRMATIONAFFIRMATIONAFFIRMATIONAFFIRMATION I I I I declaredeclaredeclaredeclare thatthatthatthat thisthisthisthis dissertation,dissertation,dissertation,dissertation, tedtedtedted inin in in fulfillmentfulfillmentfulfillmentfulfillment ofofofof thethethethe requirementsrequirementsrequirementsrequirements forforforfor thethethethe awardawardawardaward ofofofof MasterMasterMasterMaster ofofofof PhilosophyPhilosophyPhilosophyPhilosophy inin in in ShandongShandongShandongShandong UniversityUniversityUniversityUniversity ofofofof ScienceScienceScienceScience andandandand Technology,Technology,Technology,Technology, is is is is whollywhollywhollywhollymymymymyownownownown workworkworkwork unlessunlessunlessunless referencedreferencedreferencedreferenced ofofofof acknowledge.acknowledge.acknowledge.acknowledge. TheTheTheThe documentdocumentdocumentdocument hashashashas notnotnotnot beenbeenbeenbeen tedtedtedtedforforforforqualificationqualificationqualificationqualification atatatat anyanyanyany otherotherotherother academicacademicacademicacademic institute.institute.institute.institute. SignatureSignatureSignatureSignature DateDateDateDate 山东科技大学工程硕士学位论文目录 目目录录 1 1 1 1 绪论绪论绪论绪论....................................................................................................................................................................................................................................................................................................................................................................................................................................................................1 1 1 1 1.1 课题来源及选题依据........................................................................................................1 1.2 国内外研究现状...............................................................................................................1 1.3 主要研究内容....................................................................................................................4 2 2 2 2 电磁波电磁波电磁波电磁波 CTCTCTCT探测方法原理探测方法原理探测方法原理探测方法原理................................................................................ ................................................................................................................................................................................................................................................5 5 5 5 2.1 电磁波在煤层中的传播....................................................................................................5 2.2 电磁波成像的波动方程..................................................................................................13 2.3CT 理论基础与算法......................................................................................................15 2.4 电磁波 CT 计算................................................................................................................21 3 3 3 3 电磁波电磁波电磁波电磁波 CTCTCTCT工作方法工作方法工作方法工作方法........................................................................................................................................................................................................................................................................................................................................................ 23232323 3.1 工作面不同地质情况电磁波传播分析..........................................................................23 3.2 电磁波透视工作方法......................................................................................................25 3.3 电磁波 CT 工作方法........................................................................................................26 4 4 4 4 数据处理与解释方法数据处理与解释方法数据处理与解释方法数据处理与解释方法....................................................................................................................................................................................................................................................................................................................................................27272727 4.1 数据处理..........................................................................................................................27 4.2 资料解释方法..................................................................................................................31 4.3 断层的电磁波场特征识别..............................................................................................32 4.4 陷落柱的电磁波场特征识别..........................................................................................35 4.5 煤层厚度变化的电磁波场特征识别..............................................................................36 4.6 煤层结构变化的电磁波场特征识别..............................................................................36 5 5 5 5 复杂结构煤层电磁波复杂结构煤层电磁波复杂结构煤层电磁波复杂结构煤层电磁波CTCTCTCT 探测现场试验探测现场试验探测现场试验探测现场试验................................................................................................................................................................................................................................ 38383838 5.1 探测区概况......................................................................................................................38 5.2 探测区煤岩电性特征......................................................................................................41 5.3探测工程布置...............................................................................................................41 5.4 井下干扰因素及其排除方法..........................................................................................44 山东科技大学工程硕士学位论文目录 5.5 资料解释与成果..............................................................................................................47 6 6 6 6 结论与展望结论与展望结论与展望结论与展望................................................................................................................................................................................................................................................................................................................................................................................................................51515151 致谢致谢致谢致谢.................................................................................................................. ......................................................................................................................................................................................................................................................................................................................................................53 535353 参考文献参考文献参考文献参考文献........................................................................................................................................................................................................................................................................................................................................................................................................................................54545454 山东科技大学工程硕士学位论文目录 C C C Contentsontentsontentsontents 1 1 1 1 IntroductionIntroductionIntroductionIntroduction........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................1 1 1 1 1.1 Problem sourceand gist............................................................................................................ 1 1.2 Research situation of domestic and international...........................................................................1 1.3 Main research contents..............................................................................................................4 2 2 2 2 DetectionDetectionDetectionDetection principleprincipleprincipleprinciple ofofofofelectromagnetismelectromagnetismelectromagnetismelectromagnetismwavewavewavewave CTCTCTCT....................................................................................................................................................................................................................5 5 5 5 2.1 Diffusion of electromagnetism waveincoalbed...........................................................................5 2.2 Imaging fluctuating equation of electromagnetism wave..............................................................13 2.3 Basis and arithmetic of CT.......................................................................................................15 2.4 Calculation of electromagnetism waveCT................................................................................. 21 3 3 3 3 WorkWorkWorkWork ofofofof electromagnetismelectromagnetismelectromagnetismelectromagnetismwavewavewavewave CTCTCTCT........................................................................................................................................................................................................................................................................................................23232323 3.1Electromagnetism waveCT diffusion of different geology circumstances.......................................23 3.2 Work of electromagnetism wave clairvoyance.................................................................25 3.3 Work of electromagnetism wave CT.............................................................................. 26 4 4 4 4 DataDataDataData processingprocessingprocessingprocessing andandandand explainexplainexplainexplain ............................................................................................................................................................................................................................................................................................................................................................27272727 4.1 Data processing......................................................................................................................27 4.2 Explanation ................................................................................................................ 31 4.3Electromagnetism wavefiled characteristic identification of fault................................................. 32 4.4Electromagnetism wavefiled characteristic identification of falling pillar...................................... 35 4.5Electromagnetism wavefiled characteristic identification of coal bed thicknesschanges..................36 4.6Electromagnetism wavefiled characteristic identification of coal bed structurechanges...................36 5 5 5 5 LocalLocalLocalLocal experimentationexperimentationexperimentationexperimentation ofofofof electromagnetismelectromagnetismelectromagnetismelectromagnetismwavewavewavewaveCTCTCTCTinin in in complicatedcomplicatedcomplicatedcomplicated structurestructurestructurestructure coalcoalcoalcoal bedbedbedbed. . . .38383838 5.1 Situation of detection area...................................................................................................... 38 5.2 Electrical character of coal bedindetection area.........................................................................41 5.3 Workslayout..........................................................................................................................41 5.4 Disturb factor and eliminate under well..........................................................................44 5.5Explanation and production......................................................................................................47 6 6 6 6 ConclusionConclusionConclusionConclusion andandandand prospectprospectprospectprospect ....................................................................................................................................................................................................................................................................................................................................................................................................................................51515151 ThanksThanksThank