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[1]LÜ,Xue-jun,NI Hua-yong,et al.Formation and Characteristics of Mine-slag Debris Flows from Jianggou Ravine in Ebian County, Sichuan Province[J].Research of Soil and Water Conservation,2011,18(03):83-87.

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Formation and Characteristics of Mine-slag Debris Flows from Jianggou Ravine in Ebian County, Sichuan Province

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 18 Number of periods: 2011 03 Page number: 83-87 Column: Public date: 2011-06-20

Title:: Formation and Characteristics of Mine-slag Debris Flows from Jianggou Ravine in Ebian County, Sichuan Province

Author(s):: LÜ Xue-jun¹, NI Hua-yong², XU Ru-ge², BA Ren-ji²; 1. Department of Architecture & Urban Planning, Binzhou University, Binzhou, Shandong 256603, China;
2. Chengdu Institute of Geology and Mineral Resources, Chengdu 610081, China

Keywords:: debris flow; mine slag; erosion; Jianggou Ravine

CLC:: P642.23

DOI:: -

Abstract:: Jianggou Ravine is a typical mine-slag debris flow-induced gully,where debris flow with an incision process frequently occurred and caused serious damages.In this paper,on the basis of field investigation,survey and comprehensive research,the formation and characteristics are discussed and corresponding prevention countermeasures are put forward.In terms of debris flow forming condition,mine-slag debris flow-induced in Jianggou Ravine is representative for mass concentricity and grain-composition fixity.A complex and circle process,namely rainfall-erosion-collapse or landslide-engulfment,existed during debris flow occurrence and erosion is the key process.As characteristics are concerned,debris flows induced by mine slag are typicality in simple deposition,smaller deposition obliquity,high frequency and intense evolvement in landform.In accordance with such forming condition and occurrence characteristics,corresponding countermeasures are put forward at the end of this paper,including main engineering controls such as separating method between water and soil,gull-bed fixing method,slope blocking method and accessorial vegetation recovering method.

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