Study on influence of water impounding on Jiudianxia reservoir landslide

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Study on influence of water impounding on Jiudianxia reservoir landslide

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[1]Song Danqing,Wang Feng,plum star,et al.Study on influence of water impounding on Jiudianxia reservoir landslide[J].Journal of Zhengzhou University (Engineering Science),2016,37(01):60-64.[doi:10.3969/j.issn.1671-6833.201503040]

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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 37 Number of periods: 2016 01 Page number: 60-64 Column: Public date: 2016-02-28

Title:: Study on influence of water impounding on Jiudianxia reservoir landslide

Author(s):: Song Danqing1; Wang Feng2; plum star3; Liu Pengfei4; 1.School of Marine and Architectural Engineering, Shanghai Jiaotong University, Shanghai, 200030; 2.School of Life Sciences, Henan University, Kaifeng, Henan, 475004; 3.School of Civil Engineering, Southeast University, Nanjing, Jiangsu, 210096; 4. Research on Yellow River Civilization and Sustainable Development, Henan University Center, Kaifeng, Henan, 475004

Keywords:: water impounding; reservoir bank landslide; stability; Jiudianxia reservoir

CLC:: -

DOI:: 10.3969/j.issn.1671-6833.201503040

Abstract:: The landslide stability is affected by the reservoir impoundment in a large degree, taking an exam-ple of Yanziping(28#)Landslide of Jiudianxia reservoir in Gansu province. The landslide displacement was monitored by using GPS regularly for analyzing the law of the landslide stability affected by the the impound-ment, and the law is validated by using the method of slope entropy. The results show that:(1) the process of impoundment can be divided into three stages including the 0~1/2 , 1/2 to 3/4 and 3/4 above the stage of the storage level,which is affected to different influence degrees;(2) the landslide stability is affected at dif-ferent levels between the range of water levelⅠ(100 m~115 m) andⅡ(115 m~130 m) in different degree;(3) it is suitable that the relationship between impoundment and the stability of reservoir bank landslide is val-idated by using the method of slope entropy with being provided by other similar studies.

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