特高位远程危岩群破坏成因及稳定性评价——以滇东北乌峰山地区为例

doi:10.13686/j.cnki.dzyzy.2022.02.011

Abstract
Figure/Table
References
Related Citation (15)

Download: PDF (1090 KB) HTML (1 KB)
Export: BibTeX | EndNote (RIS)

Abstract Extremely high remote dangerous rock collapse is characterized by suddenness, fast speed, great potential energy, severe destruction force, strong impact and wide influence range. Five dangerous rock blocks are located on the southern slope of Wufeng Mountain in Zhenxiong County, northeast Yunnan. The strata are near horizontal and the topographic slope of collapse area is above 70°. The bare area of bedrock is 0.07 km² in collapse and dangerous rock area, with the height difference of 222 m from slope toe to top, the average height difference of 159 m for dangerous rock mass, and the maximum horizontal displacement of rockfall of 216 m, belonging to typical extremely high remote dangerous rock group. The qualitative and quantitative methods are used to comprehensively analyze 10 basic influencing factors of dangerous rocks and evaluate the stability combined with internal and external conditions. The results show that the five dangerous rocks have poor stability with the toppling-type damage mode. The high-speed remote dynamic collapse easily generates debris flows, which impact and flow in high speed as scattered fans. The large bare area and fragile eco-environment are in urgent need of treatment.

Key words： dangerous rock group collapse landslide geological disaster damage mechanism stability evaluation Yunnan Province

Received: 09 July 2021

PACS:	P642.2
	TU457

	Service

	E-mail this article
	Add to my bookshelf
	Add to citation manager
	E-mail Alert
	RSS
	Articles by authors
	HU Jun-chun
	PENG Jun
	CHEN Zhi-jun
	JIAO De-guang

Cite this article:

HU Jun-chun,PENG Jun,CHEN Zhi-jun等. DAMAGE CAUSES AND STABILITY EVALUATION OF EXTREMELY HIGH REMOTE DANGEROUS ROCK GROUP: A case study of Wufeng Mountain area in northeast Yunnan[J]. GEOLOGY AND RESOURCES, 2022, 31(2): 206-213,242.

URL:

http://manu25.magtech.com.cn/Jweb_dzyzy/EN/10.13686/j.cnki.dzyzy.2022.02.011 OR http://manu25.magtech.com.cn/Jweb_dzyzy/EN/Y2022/V31/I2/206

[1]	Chen H K, Dong P, Tang H M. The status quo and trends of perilous rock and collapse disaster[J]. Journal of Chongqing Normal University (Natural Science), 2015, 32(6):53-60.陈洪凯,董平,唐红梅.危岩崩塌灾害研究现状与趋势[J].重庆师范大学学报(自然科学版), 2015, 32(6):53-60.
[2]	Zhang T. Research progress on the failure mechanism of unstable rock[J]. Geology and Resources, 2018, 27(5):488-493.章涛.危岩破坏机理的研究进展[J].地质与资源, 2018, 27(5):488-493.
[3]	Liu F Z, Li X D, Wang J C, et al. Characteristic analysis and kinematic simulation of rockfall based on UAV and Rockfall Analyst:A case study of rockfall in Chaya County[J]. Journal of Natural Disasters, 2021, 30(3):171-180.刘福臻,李旭德,王军朝,等.基于无人机和Rockfall Analyst的崩塌落石特征分析与运动学模拟——以察雅县崩塌落石为例[J].自然灾害学报, 2021, 30(3):171-180.
[4]	Li Y L, Liu J K, Zhang J J, et al. Characteristics and potential hazard of the Chada collapse in eastern Tibet[J]. Geoscience, 2021, 35(1):74-82.李元灵,刘建康,张佳佳,等.藏东察达高位崩塌发育特征及潜在危险[J].现代地质, 2021, 35(1):74-82.
[5]	Xu C D, Yuan K Ze, Guo Z K, et al. Inducement mechanism and treatment simulation of an engineering landslide on Qingzi expressway[J]. Geology and Resources, 2020, 29(2):196-201.徐晨栋,苑康泽,郭子坤,等.清子高速某工程滑坡诱发机制及治理模拟[J].地质与资源, 2020, 29(2):196-201.
[6]	Zhang Y S, Ba R J, Ren S S, et al. An analysis of geo-mechanism of the Baige landslide in Jinsha River, Tibet[J]. Geology in China, 2020, 47(6):1637-1645.张永双,巴仁基,任三绍,等.中国西藏金沙江白格滑坡的地质成因分析[J].中国地质, 2020, 47(6):1637-1645.
[7]	Song S W, Feng X M, Xiang B Y, et al. Research on key technologies for high and steep rock slopes of hydropower engineering in Southwest China[J]. Chinese Journal of Rock Mechanics and Engineering, 2011, 30(1):1-22.宋胜武,冯学敏,向柏宇,等.西南水电高陡岩石边坡工程关键技术研究[J].岩石力学与工程学报, 2011, 30(1):1-22.
[8]	Wu F, Fan Q Y, Li T, et al. A new system of stability calculation for dangerous rock mass[J]. Geology and Exploration, 2018, 54(4):791-800.吴福,范秋雁,李拓,等.危岩稳定性计算新体系[J].地质与勘探, 2018, 54(4):791-800.
[9]	Peng G F, Yu M L, Peng B, et al. Meteorological conditions and risk assessment of frost hazards in Yunnan Province:Research based on fuzzy information distribution method[J]. Journal of Natural Disasters, 2012, 21(2):150-156.彭贵芬,余美兰,彭勃,等.云南省冰冻灾害气象条件及风险评估——基于模糊信息分配方法的研究[J].自然灾害学报, 2012, 21(2):150-156.
[10]	Wang T, Duan P. Research of the characteristics and zonation of geological hazards in Zhongyang County, Shanxi Province[J]. Geology and Resources, 2016, 25(5):487-493.王涛,段鹏.山西省中阳县地质灾害特征及区划研究[J].地质与资源, 2016, 25(5):487-493.
[11]	Liu C Z, Lü J T, Tong L Q, et al. Research on glacial/rock fall-landslide-debris flows in Sedongpu basin along Yarlung Zangbo River in Tibet[J]. Geology in China, 2019, 46(2):219-234.刘传正,吕杰堂,童立强,等.雅鲁藏布江色东普沟崩滑-碎屑流堵江灾害初步研究[J].中国地质, 2019, 46(2):219-234.
[12]	Liu C Z, Chen C L. Research on the origins of geological disasters in China[J]. Geological Review, 2020, 66(5):1334-1348.刘传正,陈春利.中国地质灾害成因分析[J].地质论评, 2020, 66(5):1334-1348.
[13]	Wu W J. Seasonal freeze-thaw action and the entire deformation, failure of slope[J]. The Chinese Journal of Geological Hazard and Control, 1996, 7(4):59-64, 93.吴玮江.季节性冻融作用与斜坡整体变形破坏[J].中国地质灾害与防治学报, 1996, 7(4):59-64, 93.
[14]	Yang Y X, Zhu Y B, Li C, et al. Preliminary research on formation mechanism of collapse under the condition of extreme snow hazard[J]. Yangtze River, 2012, 43(2):46-49.杨艳霞,祝艳波,李才,等.南方极端冰雪灾害条件下边坡崩塌机理初步研究[J].人民长江, 2012, 43(2):46-49.
[15]	Liu T D. Study on the development mechanism of the dangerous rock mass in the sandstone and shale cliff[J]. The Chinese Journal of Geological Hazard and Control, 2001, 12(3):53-56.刘廷登.砂页岩悬崖陡壁危岩发育机制浅探[J].中国地质灾害与防治学报, 2001, 12(3):53-56.
[16]	Chen Z Q, Li Y S. Analysis on formation and development mechanism and discussion on prevention measures for Zenziyan dangerous rock mass in Chongqing[J]. The Chinese Journal of Geological Hazard and Control, 2004, 15(1):78-81.陈智强,李渝生.重庆市南川甑子岩危岩形成演化机制分析及防治措施探讨[J].中国地质灾害与防治学报, 2004, 15(1):78-81.
[17]	Liu C Z. Genetic types of landslide and debris flow disasters in China[J]. Geological Review, 2014, 60(4):858-868.刘传正.中国崩塌滑坡泥石流灾害成因类型[J].地质论评, 2014, 60(4):858-868.
[18]	Shen Y, Wang X X. Study on freeze thawing and damage mechanism of rock in western cold and dry areas[J]. Urban Roads Bridges& Flood Control, 2017(9):223-224.沈瑜,王新新.西部寒旱地区岩石冻融损伤机理研究[J].城市道桥与防洪, 2017(9):223-224.
[19]	He K, Gao Y, Yin Y P, et al. Stability assessment methods for huge high-steep unstable rock mass based on damage theory[J]. Hydrogeology and Engineering Geology, 2020, 47(4):82-89.贺凯,高杨,殷跃平,等.基于岩体损伤的大型高陡危岩稳定性评价方法[J].水文地质工程地质, 2020, 47(4):82-89.
[20]	Chongqing Municipal Bureau of Quality and Technical Supervision. DB50/143-2003 Code for investigation of geological disaster control engineering[S]. Chongqing:Chongqing Municipal Bureau of Quality and Technical Supervision, 2003:28-32.重庆市质量技术监督局. DB50/143-2003地质灾害防治工程勘察规范[S].重庆:重庆市质量技术监督局, 2003:28-32.
[21]	Ministry of Housing and Urban-Rural Development of the People's Republic of China. GB50330-2013 Technical code for building slope engineering[S]. Beijing:China Architecture& Building Press, 2014:21.中华人民共和国住房和城乡建设部. GB50330-2013建筑边坡工程技术规范[S].北京:中国建筑工业出版社, 2014:21.
[22]	Ministry of Land and Resources of the People's Republic of China. DZ/T0218-2006 Specification of geological investigation for landslide stabilization[S]. Beijing:China Standard Press, 2006:20.中华人民共和国国土资源部. DZ/T0218-2006滑坡防治工程勘查规范[S].北京:中国标准出版社, 2006:20.