引用格式：张斌，孙尧，马秀敏，等，2023.东构造结墨脱关键区域地应力场特征及其构造稳定性分析[J].地质力学学报，29（3）：388−401.DOI：10.12090/j.issn.1006-6616.20232908Citation:ZHANGB，SUNY，MAXM，etal.，2023.Analysisofin-situstressfieldcharacteristicsandtectonicstabilityintheMotuokeyareaoftheeasternHimalayansyntaxis[J].JournalofGeomechanics，29（3）：388−401.DOI：10.12090/j.issn.1006-6616.20232908东构造结墨脱关键区域地应力场特征及其构造稳定性分析张斌1,2,3，孙尧1,2,3，马秀敏1,2,3,4，彭华1,2,3，姜景捷1,2,3，毛佳睿1,2,3，张文汇1,5，翟玉栋1ZHANGBin1,2,3，SUNYao1,2,3，MAXiumin1,2,3,4，PENGHua1,2,3，JIANGJingjie1,2,3，MAOJiarui1,2,3，ZHANGWenhui1,5，ZHAIYudong11.中国地质科学院地质力学研究所，北京100081；2.自然资源部北京地壳应力应变野外科学观测研究站，北京100081；3.自然资源部活动构造与地质安全重点实验室，北京100081；4.北京科技大学土木与资源工程学院，北京100083；5.中国地质大学（武汉）工程学院，湖北武汉4300741.InstituteofGeomechanics,ChineseAcademyofGeologicalSciences,Beijing100081,China;2.ObservationandResearchStationofCrustalStressandStraininBeijing,MinistryofNaturalResources,Beijing100081,China;3.KeyLaboratoryofActiveTectonicsandGeologicalSafety,MinistryofNaturalResources,Beijing100081,China;4.SchoolofCivilandResourcesEngineering,UniversityofScienceandTechnologyBeijing,Beijing100083,China;5.SchoolofEngineering,ChinaUniversityofGeosciences(Wuhan),Wuhan430074,Hubei,ChinaAnalysisofin-situstressfieldcharacteristicsandtectonicstabilityintheMotuokeyareaoftheeasternHimalayansyntaxisAbstract:Inordertoobtainthein-situstressfieldcharacteristicsandanalyzetectonicstabilityintheMotuokeyareaoftheeasternHimalayansyntaxis,thein-situstressmeasurementofonein-situstressholeand11testsectionsoftheXirangsectionoftheMotuofaultzonewerecarriedoutbythehydraulicfracturingmethod.Theresultsshowthatthemaximumandminimumhorizontalprincipalstressvalues(SH,Sh)inthetestsectionof61.43−121.34mare3.05−14.50MPaand2.16−9.87MPa,respectively,andtheverticalprincipalstressvalues(Sv)are1.63−3.31MPa,namely,SH>Sh...
