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Article: Hydrological response to rainfall infiltration of back filled retaining wall: a case from Laiwushan back-filled retaining wall

TitleHydrological response to rainfall infiltration of back filled retaining wall: a case from Laiwushan back-filled retaining wall
擋土墻填土邊坡水文響應過程分析:以賴屋山擋土墻填土邊坡為例
Authors
KeywordsFill slope
Retaining wall
Rainfall infiltration
Pore pressure
Volumetric water content
Issue Date2010
PublisherKexue Chubanshe. The Journal's web site is located at http://c.wanfangdata.com.cn/Periodical-gcdzxb.aspx
Citation
工程地質學報, 2010, v. 18 n. 4, p. 516-520 How to Cite?
Journal of Engineering Geology / Gongcheng Dizhi Xuebao, 2010, v. 18 n. 4, p. 516-520 How to Cite?
AbstractSeveral cracks were found to occur on the slope face of the Laiwushan retaining wall.In order to understand the mechanism of deformation and failure mechanism,automatic monitoring instruments,including piezometers,tensiometers,moisture probes and in-place inclinometers were installed at the top of fill slope.The following findings can be observed based on the monitoring data of piezometers,moisture probes and tensiometers:rainfall infiltration has little influence on the fluctuation of the groundwater table,possibly because the groundwater table was deep;the response of pore pressure and volumetric water content at various depths in the fill was delayed,depending on the soil depth.The rainwater can infiltrate into a depth of over 3m,and a perched water table can be observed at the depth of 3m,resulting in reduction in shear strength of soil and potential shallow failure. 深圳賴屋山的一擋墻表面出現數條裂縫,為了深入研究其變形破壞機制,在擋墻背后填土區布置自動監測儀器,主要包括滲壓計、張力計與水分計及固定式測斜儀。通過對滲壓計、張力計和水分計的監測數據分析表明:填土內地下水位埋深大,降雨對其影響小;土體中孔隙壓力和體積含水量對強降雨響應隨著埋深存在不同程度的滯后性,強降雨入滲深度大于3m,并且在3m處形成瞬態飽和地下水,抗剪強度降低,易于引起邊坡的淺層變形破壞。
Persistent Identifierhttp://hdl.handle.net/10722/169214
ISSN

 

DC FieldValueLanguage
dc.contributor.authorTian, Wen_US
dc.contributor.authorDai, FCen_US
dc.contributor.authorXu, Len_US
dc.contributor.authorKwong, AKLen_US
dc.date.accessioned2012-10-18T08:45:44Z-
dc.date.available2012-10-18T08:45:44Z-
dc.date.issued2010en_US
dc.identifier.citation工程地質學報, 2010, v. 18 n. 4, p. 516-520en_US
dc.identifier.citationJournal of Engineering Geology / Gongcheng Dizhi Xuebao, 2010, v. 18 n. 4, p. 516-520-
dc.identifier.issn1004-9665-
dc.identifier.urihttp://hdl.handle.net/10722/169214-
dc.description.abstractSeveral cracks were found to occur on the slope face of the Laiwushan retaining wall.In order to understand the mechanism of deformation and failure mechanism,automatic monitoring instruments,including piezometers,tensiometers,moisture probes and in-place inclinometers were installed at the top of fill slope.The following findings can be observed based on the monitoring data of piezometers,moisture probes and tensiometers:rainfall infiltration has little influence on the fluctuation of the groundwater table,possibly because the groundwater table was deep;the response of pore pressure and volumetric water content at various depths in the fill was delayed,depending on the soil depth.The rainwater can infiltrate into a depth of over 3m,and a perched water table can be observed at the depth of 3m,resulting in reduction in shear strength of soil and potential shallow failure. 深圳賴屋山的一擋墻表面出現數條裂縫,為了深入研究其變形破壞機制,在擋墻背后填土區布置自動監測儀器,主要包括滲壓計、張力計與水分計及固定式測斜儀。通過對滲壓計、張力計和水分計的監測數據分析表明:填土內地下水位埋深大,降雨對其影響小;土體中孔隙壓力和體積含水量對強降雨響應隨著埋深存在不同程度的滯后性,強降雨入滲深度大于3m,并且在3m處形成瞬態飽和地下水,抗剪強度降低,易于引起邊坡的淺層變形破壞。-
dc.languagechien_US
dc.publisherKexue Chubanshe. The Journal's web site is located at http://c.wanfangdata.com.cn/Periodical-gcdzxb.aspx-
dc.relation.ispartof工程地質學報en_US
dc.relation.ispartofJournal of Engineering Geology / Gongcheng Dizhi Xuebao-
dc.subjectFill slope-
dc.subjectRetaining wall-
dc.subjectRainfall infiltration-
dc.subjectPore pressure-
dc.subjectVolumetric water content-
dc.titleHydrological response to rainfall infiltration of back filled retaining wall: a case from Laiwushan back-filled retaining wallen_US
dc.title擋土墻填土邊坡水文響應過程分析:以賴屋山擋土墻填土邊坡為例-
dc.typeArticleen_US
dc.identifier.emailDai, FC: daifc@hkucc.hku.hken_US
dc.identifier.emailKwong, AKL: kwongakl@hkucc.hku.hken_US
dc.identifier.authorityKwong, AKL=rp00129en_US
dc.identifier.hkuros212170en_US
dc.identifier.volume18en_US
dc.identifier.issue4en_US
dc.identifier.spage516en_US
dc.identifier.epage520en_US
dc.publisher.placeChina-

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