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Article: Influence of cracks at the platform on hydrologic response of loess slope

TitleInfluence of cracks at the platform on hydrologic response of loess slope
Authors
KeywordsCracks At The Margin Of Platform
Field Monitoring
Infiltration Of Irrigation
Loess Landslide
Numerical Analysis
Issue Date2011
Citation
Jilin Daxue Xuebao (Diqiu Kexue Ban)/Journal Of Jilin University (Earth Science Edition), 2011, v. 41 n. 5, p. 1512-1519 How to Cite?
Abstract
A field irrigation experiment has been made in an instrumented loess landslide of Heifangtai. Hydrological response and its effect on loess slope are analyzed based on monitoring data and numerical modelling. The result indicates that the groundwater table cannot be enhanced by short-term irrigation. However, the volumetric water content at shallow depths of the slopes increased rapidly, reducing the shear strength of loess and resulting in shallow failure at the margin of the platform. The cracks at the margin of the platform could increase the rate of infiltration. Numerical modeling of long-term irrigation indicates that cracks are favorable for rise of groundwater table. It is justified from the data the significance of loess slope affected by cracks. In addition, the numerical modeling results are consistent with the monitoring data, showing the numerical method can be used to simulate the hydrological response of the monitored site caused by irrigation.
Persistent Identifierhttp://hdl.handle.net/10722/150607
ISSN
2013 SCImago Journal Rankings: 0.275
References

 

Author Affiliations
  1. The University of Hong Kong
  2. Institute of Geology and Geophysics Chinese Academy of Sciences
  3. Chinese Academy of Sciences
DC FieldValueLanguage
dc.contributor.authorWu, CXen_US
dc.contributor.authorDai, FCen_US
dc.contributor.authorMin, Hen_US
dc.contributor.authorTu, XBen_US
dc.contributor.authorKwong, AKLen_US
dc.contributor.authorZhou, YFen_US
dc.date.accessioned2012-06-26T06:06:06Z-
dc.date.available2012-06-26T06:06:06Z-
dc.date.issued2011en_US
dc.identifier.citationJilin Daxue Xuebao (Diqiu Kexue Ban)/Journal Of Jilin University (Earth Science Edition), 2011, v. 41 n. 5, p. 1512-1519en_US
dc.identifier.issn1671-5888en_US
dc.identifier.urihttp://hdl.handle.net/10722/150607-
dc.description.abstractA field irrigation experiment has been made in an instrumented loess landslide of Heifangtai. Hydrological response and its effect on loess slope are analyzed based on monitoring data and numerical modelling. The result indicates that the groundwater table cannot be enhanced by short-term irrigation. However, the volumetric water content at shallow depths of the slopes increased rapidly, reducing the shear strength of loess and resulting in shallow failure at the margin of the platform. The cracks at the margin of the platform could increase the rate of infiltration. Numerical modeling of long-term irrigation indicates that cracks are favorable for rise of groundwater table. It is justified from the data the significance of loess slope affected by cracks. In addition, the numerical modeling results are consistent with the monitoring data, showing the numerical method can be used to simulate the hydrological response of the monitored site caused by irrigation.en_US
dc.languageengen_US
dc.relation.ispartofJilin Daxue Xuebao (Diqiu Kexue Ban)/Journal of Jilin University (Earth Science Edition)en_US
dc.subjectCracks At The Margin Of Platformen_US
dc.subjectField Monitoringen_US
dc.subjectInfiltration Of Irrigationen_US
dc.subjectLoess Landslideen_US
dc.subjectNumerical Analysisen_US
dc.titleInfluence of cracks at the platform on hydrologic response of loess slopeen_US
dc.typeArticleen_US
dc.identifier.emailKwong, AKL:kwongakl@hkucc.hku.hken_US
dc.identifier.authorityKwong, AKL=rp00129en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-80053968852en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-80053968852&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume41en_US
dc.identifier.issue5en_US
dc.identifier.spage1512en_US
dc.identifier.epage1519en_US
dc.identifier.scopusauthoridWu, CX=42162301100en_US
dc.identifier.scopusauthoridDai, FC=7102055666en_US
dc.identifier.scopusauthoridMin, H=34973198300en_US
dc.identifier.scopusauthoridTu, XB=36852993400en_US
dc.identifier.scopusauthoridKwong, AKL=24385436300en_US
dc.identifier.scopusauthoridZhou, YF=43561944800en_US

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