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Article: Stress transfer and deformation mechanisms around a diaphragm wall panel

TitleStress transfer and deformation mechanisms around a diaphragm wall panel
Authors
Issue Date1998
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, 1998, v. 124 n. 7, p. 638-648 How to Cite?
AbstractPracticing engineers and researchers are becoming aware of the importance of ground movements and stress changes int the ground that may occur during the construction of a diaphragm wall type of retaining walls. In this paper, the construction sequence of a typical diaphragm wall panel in stiff clay is fully simulated using a three-dimensional finite difference program. Computed results are compared with some reported results of centrifuge model tests and relevant case histories. It has been found that the influence zone due to the diaphragm wall panel installation falls within a normal distance of approximately one panel depth, D, from the face of the panel, 1/3D below from the toe and 1/3L from the edge and along the length of the panel (L). Significant horizontal stress reduction behind the center of the panel is attributed to both the downward load transfer and the horizontal arching mechanisms. A settlement bowl appears behind the panel. The maximum settlement occurs at a distance of about 0.2D behind the wall and settlements beyond the influence zone are found to be insignificant. | Practicing engineers and researchers are becoming aware of the importance of ground movements and stress changes in the ground that may occur during the construction of a diaphragm wall type of retaining walls. In this paper, the construction sequence of a typical diaphragm wall panel in stiff clay is fully simulated using a three-dimensional finite difference program. Computed results are compared with some reported results of centrifuge model tests and relevant case histories. It has been found that the influence zone due to the diaphragm wall panel installation falls within a normal distance of approximately one panel depth, D, from the face of the panel, 1/3D below from the toe and 1/3L from the edge and along the length of the panel (L). Significant horizontal stress reduction behind the center of the panel is attributed to both the downward load transfer and the horizontal arching mechanisms. A settlement bowl appears behind the panel. The maximum settlement occurs at a distance of about 0.2/D behind the wall and settlements beyond the influence zone are found to be insignificant.
Persistent Identifierhttp://hdl.handle.net/10722/150108
ISSN
2015 Impact Factor: 1.696
2015 SCImago Journal Rankings: 2.344
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorNg, CWWen_US
dc.contributor.authorYan, RWMen_US
dc.date.accessioned2012-06-26T06:01:35Z-
dc.date.available2012-06-26T06:01:35Z-
dc.date.issued1998en_US
dc.identifier.citationJournal Of Geotechnical And Geoenvironmental Engineering, 1998, v. 124 n. 7, p. 638-648en_US
dc.identifier.issn1090-0241en_US
dc.identifier.urihttp://hdl.handle.net/10722/150108-
dc.description.abstractPracticing engineers and researchers are becoming aware of the importance of ground movements and stress changes int the ground that may occur during the construction of a diaphragm wall type of retaining walls. In this paper, the construction sequence of a typical diaphragm wall panel in stiff clay is fully simulated using a three-dimensional finite difference program. Computed results are compared with some reported results of centrifuge model tests and relevant case histories. It has been found that the influence zone due to the diaphragm wall panel installation falls within a normal distance of approximately one panel depth, D, from the face of the panel, 1/3D below from the toe and 1/3L from the edge and along the length of the panel (L). Significant horizontal stress reduction behind the center of the panel is attributed to both the downward load transfer and the horizontal arching mechanisms. A settlement bowl appears behind the panel. The maximum settlement occurs at a distance of about 0.2D behind the wall and settlements beyond the influence zone are found to be insignificant. | Practicing engineers and researchers are becoming aware of the importance of ground movements and stress changes in the ground that may occur during the construction of a diaphragm wall type of retaining walls. In this paper, the construction sequence of a typical diaphragm wall panel in stiff clay is fully simulated using a three-dimensional finite difference program. Computed results are compared with some reported results of centrifuge model tests and relevant case histories. It has been found that the influence zone due to the diaphragm wall panel installation falls within a normal distance of approximately one panel depth, D, from the face of the panel, 1/3D below from the toe and 1/3L from the edge and along the length of the panel (L). Significant horizontal stress reduction behind the center of the panel is attributed to both the downward load transfer and the horizontal arching mechanisms. A settlement bowl appears behind the panel. The maximum settlement occurs at a distance of about 0.2/D behind the wall and settlements beyond the influence zone are found to be insignificant.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.titleStress transfer and deformation mechanisms around a diaphragm wall panelen_US
dc.typeArticleen_US
dc.identifier.emailYan, RWM:ryanyan@hku.hken_US
dc.identifier.authorityYan, RWM=rp01400en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1061/(ASCE)1090-0241(1998)124:7(638)en_US
dc.identifier.scopuseid_2-s2.0-0032122230en_US
dc.identifier.volume124en_US
dc.identifier.issue7en_US
dc.identifier.spage638en_US
dc.identifier.epage648en_US
dc.identifier.isiWOS:000074172600009-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridNg, CWW=7401705687en_US
dc.identifier.scopusauthoridYan, RWM=35369531200en_US

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