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[1]ZHANG Xiaohui,YANG Qiang,LIU Jinhui,et al.Analysis on Disaster Mechanism of Collapse in Yanzi River Basin[J].Research of Soil and Water Conservation,2017,24(03):351-356.

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Analysis on Disaster Mechanism of Collapse in Yanzi River Basin

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 24 Number of periods: 2017 03 Page number: 351-356 Column: Public date: 2017-06-28

Title:: Analysis on Disaster Mechanism of Collapse in Yanzi River Basin

Author(s):: ZHANG Xiaohui¹, YANG Qiang², LIU Jinhui¹, YE Zhennan², SUN Xiujuan²; 1. East China university of Technology, Nanchang 330013, China;
2. Center for Hydrogeology and Environmental Geology, CGS, Baoding, Hebei 071051, China

Keywords:: collapse; geological environment; disaster mechanism; failure mode; Yanzi River Basin

CLC:: P642.22

DOI:: -

Abstract:: In the analysis of the geological environment background and geological disaster inducing factors of the Yanzi River Basin, the geological disaster type and the Yanzi River Basin development characteristics were analyzed, the three major failure modes of collapse and evolution process were summarized, and the typical collapse was selected to analyze stability. The results show that the collapse geological disasters of Yanzi River Basin were the rock, small, composite, low and unstable collapse; collapse mainly distributed in valley slope zone of the Yanzi River and the main tributary, Kangxian County—Yangba town road of human engineering activities ‘area all the way’, collapse focused on the more concentrated rainfall events from July to September; the main failure modes of collapse are fracturing-load falling, bending—toppling—sliding and fracturing—sliding, each failure mode experiences disaster after four stages of the formation of evolution; the typical calculated collapse stability indicates that rainstorm is the dominant factor inducing collapse occurrence.

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