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Fault controls on spatial variation of fracture density and rock mass strength within the Yarlung Tsangpo Fault damage zone (southeastern Tibet)

文献类型：期刊论文

作者Wang, Xueliang2,3,4; Crosta, Giovanni Battista1; Clague, John J.5; Stead, Douglas5; Sun, Juanjuan2,3,4; Qi, Shengwen2,3,4; Liu, Haiyang2,3,4
刊名ENGINEERING GEOLOGY
出版日期2021-09-20
卷号291页码:9
关键词Fault damage zone Rock mass strength Fracture density Rockfall Southeastern Tibet
ISSN号0013-7952
DOI10.1016/j.enggeo.2021.106438
英文摘要Recent technological developments including Unmanned Aerial Vehicles, terrestrial laser scanning, photogrammetry and point cloud analysis software tools greatly enhance our ability to investigate the relationship between faulting and the spatial geometrical and mechanical characteristics of a rock mass controlled by faulting. Using the Yarlung Tsangpo (YLTP) Fault of southeastern Tibet as a case study, we propose the procedures, investigation approaches, evidence and criteria for quantitatively defining the threshold distance for damage zones combining the spatial variations of fracture density, rock mass strength and rockfall inventory in this study. Based on the study, the extent of threshold distance of damage zone of the YLTP Fault is estimated as 5.9 + 0.6 km, which has been compared with published data from the evidence of thermal effects related to exactly the same fault and shows a good match. Five predominant joint sets were identified in the study area. Influenced by tectonics, the relationship between mean spacing of the joint sets with distance from the fault core shows a strong positive power relationship. It is consistent with the result of the exponential relation between the mean size of fallen blocks and distance from the fault core that is obtained independently. We conclude that fracture density (the joint volumetric count, Jv) and cohesion of the rock mass show power curve relations with distance within the damage zone. The fault first affects the characteristics of rock mass structures, and then the characteristics of the rock structures influence the stability of slope leading to rockfall.
WOS关键词SUTURE ZONE ; STRUCTURAL EVOLUTION ; WENCHUAN EARTHQUAKE ; PERMEABILITY ; SANDSTONE ; HISTORY ; THRUST ; RELIEF ; SIZE ; LANDSCAPE
资助项目Second Tibetan Plateau Scientific Expedition and Research Program (STEP)[2019QZKK0904] ; Application of Synthetic Aperture Radar-Based Geological Hazard Analysis Technology on the Strategic Electricity Transmission Passage of Sichuan-Tibet Plateau[52199918000C] ; Yunnan Major Science and Technology Special Project[202002AF080003] ; Foundation of China Scholarship Council ; @RockHoRiZon - Advanced Tools for Rockfall Hazard and Risk Zonation at the Regional Scale project[CARIPLO 2016-0756]
WOS研究方向Engineering ; Geology
语种英语
WOS记录号WOS:000678363000017
出版者ELSEVIER
资助机构Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Application of Synthetic Aperture Radar-Based Geological Hazard Analysis Technology on the Strategic Electricity Transmission Passage of Sichuan-Tibet Plateau ; Application of Synthetic Aperture Radar-Based Geological Hazard Analysis Technology on the Strategic Electricity Transmission Passage of Sichuan-Tibet Plateau ; Application of Synthetic Aperture Radar-Based Geological Hazard Analysis Technology on the Strategic Electricity Transmission Passage of Sichuan-Tibet Plateau ; Application of Synthetic Aperture Radar-Based Geological Hazard Analysis Technology on the Strategic Electricity Transmission Passage of Sichuan-Tibet Plateau ; Yunnan Major Science and Technology Special Project ; Yunnan Major Science and Technology Special Project ; Yunnan Major Science and Technology Special Project ; Yunnan Major Science and Technology Special Project ; Foundation of China Scholarship Council ; Foundation of China Scholarship Council ; Foundation of China Scholarship Council ; Foundation of China Scholarship Council ; @RockHoRiZon - Advanced Tools for Rockfall Hazard and Risk Zonation at the Regional Scale project ; @RockHoRiZon - Advanced Tools for Rockfall Hazard and Risk Zonation at the Regional Scale project ; @RockHoRiZon - Advanced Tools for Rockfall Hazard and Risk Zonation at the Regional Scale project ; @RockHoRiZon - Advanced Tools for Rockfall Hazard and Risk Zonation at the Regional Scale project ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Application of Synthetic Aperture Radar-Based Geological Hazard Analysis Technology on the Strategic Electricity Transmission Passage of Sichuan-Tibet Plateau ; Application of Synthetic Aperture Radar-Based Geological Hazard Analysis Technology on the Strategic Electricity Transmission Passage of Sichuan-Tibet Plateau ; Application of Synthetic Aperture Radar-Based Geological Hazard Analysis Technology on the Strategic Electricity Transmission Passage of Sichuan-Tibet Plateau ; Application of Synthetic Aperture Radar-Based Geological Hazard Analysis Technology on the Strategic Electricity Transmission Passage of Sichuan-Tibet Plateau ; Yunnan Major Science and Technology Special Project ; Yunnan Major Science and Technology Special Project ; Yunnan Major Science and Technology Special Project ; Yunnan Major Science and Technology Special Project ; Foundation of China Scholarship Council ; Foundation of China Scholarship Council ; Foundation of China Scholarship Council ; Foundation of China Scholarship Council ; @RockHoRiZon - Advanced Tools for Rockfall Hazard and Risk Zonation at the Regional Scale project ; @RockHoRiZon - Advanced Tools for Rockfall Hazard and Risk Zonation at the Regional Scale project ; @RockHoRiZon - Advanced Tools for Rockfall Hazard and Risk Zonation at the Regional Scale project ; @RockHoRiZon - Advanced Tools for Rockfall Hazard and Risk Zonation at the Regional Scale project ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Application of Synthetic Aperture Radar-Based Geological Hazard Analysis Technology on the Strategic Electricity Transmission Passage of Sichuan-Tibet Plateau ; Application of Synthetic Aperture Radar-Based Geological Hazard Analysis Technology on the Strategic Electricity Transmission Passage of Sichuan-Tibet Plateau ; Application of Synthetic Aperture Radar-Based Geological Hazard Analysis Technology on the Strategic Electricity Transmission Passage of Sichuan-Tibet Plateau ; Application of Synthetic Aperture Radar-Based Geological Hazard Analysis Technology on the Strategic Electricity Transmission Passage of Sichuan-Tibet Plateau ; Yunnan Major Science and Technology Special Project ; Yunnan Major Science and Technology Special Project ; Yunnan Major Science and Technology Special Project ; Yunnan Major Science and Technology Special Project ; Foundation of China Scholarship Council ; Foundation of China Scholarship Council ; Foundation of China Scholarship Council ; Foundation of China Scholarship Council ; @RockHoRiZon - Advanced Tools for Rockfall Hazard and Risk Zonation at the Regional Scale project ; @RockHoRiZon - Advanced Tools for Rockfall Hazard and Risk Zonation at the Regional Scale project ; @RockHoRiZon - Advanced Tools for Rockfall Hazard and Risk Zonation at the Regional Scale project ; @RockHoRiZon - Advanced Tools for Rockfall Hazard and Risk Zonation at the Regional Scale project ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Application of Synthetic Aperture Radar-Based Geological Hazard Analysis Technology on the Strategic Electricity Transmission Passage of Sichuan-Tibet Plateau ; Application of Synthetic Aperture Radar-Based Geological Hazard Analysis Technology on the Strategic Electricity Transmission Passage of Sichuan-Tibet Plateau ; Application of Synthetic Aperture Radar-Based Geological Hazard Analysis Technology on the Strategic Electricity Transmission Passage of Sichuan-Tibet Plateau ; Application of Synthetic Aperture Radar-Based Geological Hazard Analysis Technology on the Strategic Electricity Transmission Passage of Sichuan-Tibet Plateau ; Yunnan Major Science and Technology Special Project ; Yunnan Major Science and Technology Special Project ; Yunnan Major Science and Technology Special Project ; Yunnan Major Science and Technology Special Project ; Foundation of China Scholarship Council ; Foundation of China Scholarship Council ; Foundation of China Scholarship Council ; Foundation of China Scholarship Council ; @RockHoRiZon - Advanced Tools for Rockfall Hazard and Risk Zonation at the Regional Scale project ; @RockHoRiZon - Advanced Tools for Rockfall Hazard and Risk Zonation at the Regional Scale project ; @RockHoRiZon - Advanced Tools for Rockfall Hazard and Risk Zonation at the Regional Scale project ; @RockHoRiZon - Advanced Tools for Rockfall Hazard and Risk Zonation at the Regional Scale project
源URL[http://ir.iggcas.ac.cn/handle/132A11/101938]  
专题地质与地球物理研究所_中国科学院页岩气与地质工程重点实验室
通讯作者Wang, Xueliang
作者单位1.Univ Milano Bicocca, Dept Earth & Environm Sci, I-20126 Milan, Italy
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Earth Sci, Beijing 100029, Peoples R China
4.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Shale Gas & Geoengn, Beijing 100029, Peoples R China
5.Simon Fraser Univ, Dept Earth Sci, Burnaby, BC V5A 1S6, Canada
推荐引用方式
GB/T 7714		 Wang, Xueliang,Crosta, Giovanni Battista,Clague, John J.,et al. Fault controls on spatial variation of fracture density and rock mass strength within the Yarlung Tsangpo Fault damage zone (southeastern Tibet)[J]. ENGINEERING GEOLOGY,2021,291:9.
APA Wang, Xueliang.,Crosta, Giovanni Battista.,Clague, John J..,Stead, Douglas.,Sun, Juanjuan.,...&Liu, Haiyang.(2021).Fault controls on spatial variation of fracture density and rock mass strength within the Yarlung Tsangpo Fault damage zone (southeastern Tibet).ENGINEERING GEOLOGY,291,9.
MLA Wang, Xueliang,et al."Fault controls on spatial variation of fracture density and rock mass strength within the Yarlung Tsangpo Fault damage zone (southeastern Tibet)".ENGINEERING GEOLOGY 291(2021):9.

入库方式： OAI收割

来源：地质与地球物理研究所

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