Numerical analysis on post-grouted drilled shafts: A case study at the Brazo River Bridge, TX SCIE SCOPUS

DC Field Value Language
dc.contributor.author Youn, Heejung -
dc.contributor.author Tonon, Fulvio -
dc.date.accessioned 2020-04-20T08:40:23Z -
dc.date.available 2020-04-20T08:40:23Z -
dc.date.created 2020-01-28 -
dc.date.issued 2010-06 -
dc.identifier.issn 0266-352X -
dc.identifier.uri https://sciwatch.kiost.ac.kr/handle/2020.kiost/4083 -
dc.description.abstract This paper investigates the effects of post-grouting on the behavior of drilled shafts using a case study carried out at the Brazo River, Texas. Commercial finite element software, PLAXIS, was used to quantify the improvement of the tip resistance and side shear resistance of post-grouted drilled shafts (PGDS). The input material parameters of PLAXIS were initially estimated using CPT sounding results, and then the parameters were updated by calibrating the numerical results against full-scale STATNAMIC load test results. Based on the numerical analysis, the authors concluded that (1) the increase in total resistance of PGDS resulted from soil improvement at the shaft tip, (2) the apparent increase in side shear resistance resulted from side shear reversal that occurred during post-grouting, and (3) the apparent increase in the tip resistance of PGDS may be caused by stress relief of the grout. In addition, two approaches to estimate the resistance of PGDS were compared against numerical results. In this case study, the Axial Capacity Multiplier (ACM) approach over-predicted the total resistance whereas the Tip Capacity Multiplier (TCM) approach reasonably predicted the increase in total resistance. (C) 2010 Elsevier Ltd. All rights reserved. -
dc.description.uri 1 -
dc.language English -
dc.publisher ELSEVIER SCI LTD -
dc.title Numerical analysis on post-grouted drilled shafts: A case study at the Brazo River Bridge, TX -
dc.type Article -
dc.citation.endPage 465 -
dc.citation.startPage 456 -
dc.citation.title COMPUTERS AND GEOTECHNICS -
dc.citation.volume 37 -
dc.citation.number 4 -
dc.contributor.alternativeName 윤희정 -
dc.identifier.bibliographicCitation COMPUTERS AND GEOTECHNICS, v.37, no.4, pp.456 - 465 -
dc.identifier.doi 10.1016/j.compgeo.2010.01.005 -
dc.identifier.scopusid 2-s2.0-77952542703 -
dc.identifier.wosid 000278720300004 -
dc.type.docType Article -
dc.description.journalClass 1 -
dc.subject.keywordAuthor Drilled shafts -
dc.subject.keywordAuthor Grouting -
dc.subject.keywordAuthor Post-grouting -
dc.subject.keywordAuthor Numerical analysis -
dc.subject.keywordAuthor Load transfer -
dc.subject.keywordAuthor Bearing capacity -
dc.relation.journalWebOfScienceCategory Computer Science, Interdisciplinary Applications -
dc.relation.journalWebOfScienceCategory Engineering, Geological -
dc.relation.journalWebOfScienceCategory Geosciences, Multidisciplinary -
dc.description.journalRegisteredClass scie -
dc.description.journalRegisteredClass scopus -
dc.relation.journalResearchArea Computer Science -
dc.relation.journalResearchArea Engineering -
dc.relation.journalResearchArea Geology -
Appears in Collections:
Files in This Item:
There are no files associated with this item.

qrcode

Items in ScienceWatch@KIOST are protected by copyright, with all rights reserved, unless otherwise indicated.

Browse