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Article: Design curves for prefabricated vertical drains

TitleDesign curves for prefabricated vertical drains
Authors
Issue Date1997
PublisherAmerican Society of Civil Engineers. The Journal's web site is located at http://www.pubs.asce.org/journals/gt.html
Citation
Journal Of Geotechnical And Geoenvironmental Engineering, 1997, v. 123 n. 8, p. 755-759 How to Cite?
AbstractVertical drains and preloading are very effective and economical ground modification techniques for accelerating primary consolidation and compensating some secondary compression of soft compressible soils. If vertical sand drains are used, they can be installed at different diameters. The drain diameter required thus becomes a dependent variable in the design process and the drain spacing is determined a priori. The required parameters can be obtained after a few iterations. However, the number of iterations may increase significantly when prefabricated vertical drains or strip drains are used as the drain size is predetermined by manufacturers and available only in a very limited range. Design curves are developed for prefabricated vertical drains in this paper. The equivalent drain diameter is used as the independent variable and drain spacing becomes the dependent variable. Soil smear around the drain is considered but well resistance of the drain is neglected. The curves can be used to design a vertical drain system without unnecessary iterations and/or interpolations when the equivalent drain diameter, degree of consolidation required, time available, and pertinent geotechnical engineering properties of the soil to be consolidated are given.
Persistent Identifierhttp://hdl.handle.net/10722/150097
ISSN
2023 Impact Factor: 3.9
2023 SCImago Journal Rankings: 1.671
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYeung, ATen_US
dc.date.accessioned2012-06-26T06:01:31Z-
dc.date.available2012-06-26T06:01:31Z-
dc.date.issued1997en_US
dc.identifier.citationJournal Of Geotechnical And Geoenvironmental Engineering, 1997, v. 123 n. 8, p. 755-759en_US
dc.identifier.issn1090-0241en_US
dc.identifier.urihttp://hdl.handle.net/10722/150097-
dc.description.abstractVertical drains and preloading are very effective and economical ground modification techniques for accelerating primary consolidation and compensating some secondary compression of soft compressible soils. If vertical sand drains are used, they can be installed at different diameters. The drain diameter required thus becomes a dependent variable in the design process and the drain spacing is determined a priori. The required parameters can be obtained after a few iterations. However, the number of iterations may increase significantly when prefabricated vertical drains or strip drains are used as the drain size is predetermined by manufacturers and available only in a very limited range. Design curves are developed for prefabricated vertical drains in this paper. The equivalent drain diameter is used as the independent variable and drain spacing becomes the dependent variable. Soil smear around the drain is considered but well resistance of the drain is neglected. The curves can be used to design a vertical drain system without unnecessary iterations and/or interpolations when the equivalent drain diameter, degree of consolidation required, time available, and pertinent geotechnical engineering properties of the soil to be consolidated are given.en_US
dc.languageengen_US
dc.publisherAmerican Society of Civil Engineers. The Journal's web site is located at http://www.pubs.asce.org/journals/gt.htmlen_US
dc.relation.ispartofJournal of Geotechnical and Geoenvironmental Engineeringen_US
dc.titleDesign curves for prefabricated vertical drainsen_US
dc.typeArticleen_US
dc.identifier.emailYeung, AT:yeungat@hkucc.hku.hken_US
dc.identifier.authorityYeung, AT=rp00203en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0031215072en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0031215072&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume123en_US
dc.identifier.issue8en_US
dc.identifier.spage755en_US
dc.identifier.epage759en_US
dc.identifier.isiWOS:A1997XM21900009-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridYeung, AT=7102390361en_US
dc.identifier.issnl1090-0241-

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