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Article: Functions of check dam against debris flow: Comparison of two watersheds of Jiangjia Gully, Yunnan, China

TitleFunctions of check dam against debris flow: Comparison of two watersheds of Jiangjia Gully, Yunnan, China
Authors
KeywordsChannel Erosion
Check Dam
Debris-Flow Countermeasure
Rock And Soil Mechanics
Water And Soil Conservation
Issue Date2005
Citation
Yanshilixue Yu Gongcheng Xuebao/Chinese Journal Of Rock Mechanics And Engineering, 2005, v. 24 n. 17, p. 3137-3145 How to Cite?
AbstractDebris flow activity has recently caused serious property damage as well as loss of life in Yunnan, Southwest China. Moreover, ground failure caused by debris flow needs a long time to be recovered. The hazards of debris flow can be prevented or released by some engineering countermeasures such as erosion control. The check dam is one of the most effective structures to control the debris flow in the original area. Based on the examination of architectonic geology, engineering geology, rock mechanics and remote sensing geology, two major tributary gullies (one with check dams but the other without) of Jiangjia Gully in Yunnan Province, are compared in three aspects (channel longitudinal gradient, stability of lateral slopes and trailing edge of channel, soil erosion by debris flow) to prove that check dam or check dam series can: (1) effectively uplift the basic level of erosion of debris-flow channel; (2) reduce the longitudinal gradient of the debris-flow channel, and accordingly velocity slowed down and energy dissipated; (3) fix the channel and stabilize the slope so as to facilitate or restore the growth of the vegetation. In addition, several problems, needed to be taken into account during the design of check dam, are also discussed.
Persistent Identifierhttp://hdl.handle.net/10722/150320
ISSN
2014 SCImago Journal Rankings: 1.056
References

 

DC FieldValueLanguage
dc.contributor.authorZeng, QLen_US
dc.contributor.authorYue, ZQen_US
dc.contributor.authorYang, ZFen_US
dc.contributor.authorZhang, XJen_US
dc.date.accessioned2012-06-26T06:03:18Z-
dc.date.available2012-06-26T06:03:18Z-
dc.date.issued2005en_US
dc.identifier.citationYanshilixue Yu Gongcheng Xuebao/Chinese Journal Of Rock Mechanics And Engineering, 2005, v. 24 n. 17, p. 3137-3145en_US
dc.identifier.issn1000-6915en_US
dc.identifier.urihttp://hdl.handle.net/10722/150320-
dc.description.abstractDebris flow activity has recently caused serious property damage as well as loss of life in Yunnan, Southwest China. Moreover, ground failure caused by debris flow needs a long time to be recovered. The hazards of debris flow can be prevented or released by some engineering countermeasures such as erosion control. The check dam is one of the most effective structures to control the debris flow in the original area. Based on the examination of architectonic geology, engineering geology, rock mechanics and remote sensing geology, two major tributary gullies (one with check dams but the other without) of Jiangjia Gully in Yunnan Province, are compared in three aspects (channel longitudinal gradient, stability of lateral slopes and trailing edge of channel, soil erosion by debris flow) to prove that check dam or check dam series can: (1) effectively uplift the basic level of erosion of debris-flow channel; (2) reduce the longitudinal gradient of the debris-flow channel, and accordingly velocity slowed down and energy dissipated; (3) fix the channel and stabilize the slope so as to facilitate or restore the growth of the vegetation. In addition, several problems, needed to be taken into account during the design of check dam, are also discussed.en_US
dc.languageengen_US
dc.relation.ispartofYanshilixue Yu Gongcheng Xuebao/Chinese Journal of Rock Mechanics and Engineeringen_US
dc.subjectChannel Erosionen_US
dc.subjectCheck Damen_US
dc.subjectDebris-Flow Countermeasureen_US
dc.subjectRock And Soil Mechanicsen_US
dc.subjectWater And Soil Conservationen_US
dc.titleFunctions of check dam against debris flow: Comparison of two watersheds of Jiangjia Gully, Yunnan, Chinaen_US
dc.typeArticleen_US
dc.identifier.emailYue, ZQ:yueqzq@hkucc.hku.hken_US
dc.identifier.authorityYue, ZQ=rp00209en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-25144472687en_US
dc.identifier.hkuros108141-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-25144472687&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume24en_US
dc.identifier.issue17en_US
dc.identifier.spage3137en_US
dc.identifier.epage3145en_US
dc.publisher.placeChinaen_US
dc.identifier.scopusauthoridZeng, QL=25227986100en_US
dc.identifier.scopusauthoridYue, ZQ=7102782735en_US
dc.identifier.scopusauthoridYang, ZF=8288205900en_US
dc.identifier.scopusauthoridZhang, XJ=7410277497en_US

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