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Article: Deep weathering of a group of thick argillaceous limestone rocks near Three Gorges Reservoir, Central China
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TitleDeep weathering of a group of thick argillaceous limestone rocks near Three Gorges Reservoir, Central China
 
AuthorsQi, S2
Yue, ZQ1
Wu, F2
Chang, Z2
 
KeywordsArgillaceous Limestone
Geohazards
Landslides
Mountain Environment
Rock Mass Characterization
Sinkhole
Three Gorges Reservoir
Urban Development
Weathering
 
Issue Date2009
 
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/ijrmms
 
CitationInternational Journal Of Rock Mechanics And Mining Sciences, 2009, v. 46 n. 5, p. 929-939 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.ijrmms.2009.03.006
 
AbstractRock mass characterization is one of the most basic and important tasks in rock mechanics and engineering. Literature review indicates that although there are many publications available on weathered rocks, there are few reports in English on weathered argillaceous limestone rocks and their chemical and mechanical properties. This paper presents a case study of characterizing a group of highly weathered thick argillaceous limestone rocks. Most importantly, they can be easily and quickly decomposed into soils after they are exposed due to excavation. Consequently, they would substantially lose their mechanical strengths. Geohazards such as landslides and sinkholes could occur in uncovered highly weathered argillaceous limestone rocks. The problematic weathered rocks were found during the development of a new town in upper mountains above the Three Gorges Reservoir on Yangtze River in Central China in the past 20 years. The factual data are presented on the changes of chemical compositions and mechanical properties of the weathered argillaceous limestone rocks due to chemical weathering. Some empirical correlations are given to quantify the changes in their uniaxial compressive strength and deformation moduli in terms of their contents of calcium carbonate. The data and findings presented in the paper can be useful to future urban development in geologically poor mountainous environments occupied by highly weathered argillaceous limestone rocks in the world. © 2009 Elsevier Ltd. All rights reserved.
 
ISSN1365-1609
2013 Impact Factor: 1.424
2013 SCImago Journal Rankings: 1.990
 
DOIhttp://dx.doi.org/10.1016/j.ijrmms.2009.03.006
 
ISI Accession Number IDWOS:000267862200011
Funding AgencyGrant Number
China Natural Science Foundation40772188
50729904
Funding Information:

The authors thank the financial supports from China Natural Science Foundation under Grants nos. 40772188 and 50729904. The authors also thank Dr. H.Y. Liu for assistance at the field. The authors thanks the reviewer and the Editor in Chief for their comments which have enhanced the paper quality

 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorQi, S
 
dc.contributor.authorYue, ZQ
 
dc.contributor.authorWu, F
 
dc.contributor.authorChang, Z
 
dc.date.accessioned2012-06-26T06:05:12Z
 
dc.date.available2012-06-26T06:05:12Z
 
dc.date.issued2009
 
dc.description.abstractRock mass characterization is one of the most basic and important tasks in rock mechanics and engineering. Literature review indicates that although there are many publications available on weathered rocks, there are few reports in English on weathered argillaceous limestone rocks and their chemical and mechanical properties. This paper presents a case study of characterizing a group of highly weathered thick argillaceous limestone rocks. Most importantly, they can be easily and quickly decomposed into soils after they are exposed due to excavation. Consequently, they would substantially lose their mechanical strengths. Geohazards such as landslides and sinkholes could occur in uncovered highly weathered argillaceous limestone rocks. The problematic weathered rocks were found during the development of a new town in upper mountains above the Three Gorges Reservoir on Yangtze River in Central China in the past 20 years. The factual data are presented on the changes of chemical compositions and mechanical properties of the weathered argillaceous limestone rocks due to chemical weathering. Some empirical correlations are given to quantify the changes in their uniaxial compressive strength and deformation moduli in terms of their contents of calcium carbonate. The data and findings presented in the paper can be useful to future urban development in geologically poor mountainous environments occupied by highly weathered argillaceous limestone rocks in the world. © 2009 Elsevier Ltd. All rights reserved.
 
dc.description.natureLink_to_subscribed_fulltext
 
dc.identifier.citationInternational Journal Of Rock Mechanics And Mining Sciences, 2009, v. 46 n. 5, p. 929-939 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.ijrmms.2009.03.006
 
dc.identifier.citeulike5371242
 
dc.identifier.doihttp://dx.doi.org/10.1016/j.ijrmms.2009.03.006
 
dc.identifier.eissn1873-4545
 
dc.identifier.epage939
 
dc.identifier.hkuros165859
 
dc.identifier.isiWOS:000267862200011
Funding AgencyGrant Number
China Natural Science Foundation40772188
50729904
Funding Information:

The authors thank the financial supports from China Natural Science Foundation under Grants nos. 40772188 and 50729904. The authors also thank Dr. H.Y. Liu for assistance at the field. The authors thanks the reviewer and the Editor in Chief for their comments which have enhanced the paper quality

 
dc.identifier.issn1365-1609
2013 Impact Factor: 1.424
2013 SCImago Journal Rankings: 1.990
 
dc.identifier.issue5
 
dc.identifier.scopuseid_2-s2.0-67349278823
 
dc.identifier.spage929
 
dc.identifier.urihttp://hdl.handle.net/10722/150497
 
dc.identifier.volume46
 
dc.languageeng
 
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/ijrmms
 
dc.publisher.placeUnited Kingdom
 
dc.relation.ispartofInternational Journal of Rock Mechanics and Mining Sciences
 
dc.relation.referencesReferences in Scopus
 
dc.subjectArgillaceous Limestone
 
dc.subjectGeohazards
 
dc.subjectLandslides
 
dc.subjectMountain Environment
 
dc.subjectRock Mass Characterization
 
dc.subjectSinkhole
 
dc.subjectThree Gorges Reservoir
 
dc.subjectUrban Development
 
dc.subjectWeathering
 
dc.titleDeep weathering of a group of thick argillaceous limestone rocks near Three Gorges Reservoir, Central China
 
dc.typeArticle
 
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Author Affiliations
  1. The University of Hong Kong
  2. Institute of Geology and Geophysics Chinese Academy of Sciences