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The effect of geotextile reinforcement and prefabricated vertical drains on the stability and settlement of embankments

2017-10Journal article Restricted access
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dc.contributor.authorDa Silva, Elisa Maria De Jesus
dc.contributor.authorJusto, J. L.
dc.contributor.authorDurand, P.
dc.contributor.authorJusto, E.
dc.contributor.authorVazquez-Boza, M.
dc.date.accessioned2019-11-20T15:07:19Z
dc.date.available2019-11-20T15:07:19Z
dc.date.issued2017-10
dc.description.abstractThe construction of four dikes on deep strata of very soft clay has required the application of several measures to improve the performance of the foundation, such as very wide berms, basal geotextile reinforcement and prefabricated vertical drains (PVDs). In order to control the rate of construction, the foundation and the dikes have been monitored with settlement plates, topographic stakes, inclinometers and piezometers. The use of back-analysis has allowed finding the adequate material model, the smearing of drains and the coefficient of secondary compression necessary to attain a good agreement between the measurements supplied by the instrumentation and the calculated values obtained with an elastic-viscoplastic (EVP) finite element (FE) program. Both the geotextile reinforcement and the PVDs produce an important increase in the safety factor (SF). The PVDs produce a significant acceleration in settlements, but the influence of the geotextile in the settlements is negligible. The combined use of the geosynthetic reinforcement and PVDs enhances embankment performance substantially more than the use of either method of soil improvement alone. The importance of flow in the results has been established.
dc.description.sponsorshipSpanish Ministry of Science and Innovation (Project BIA 2010-20377).
dc.identifier.doi10.1016/j.geotexmem.2017.07.001
dc.identifier.issn0266-1144
dc.identifier.urihttp://hdl.handle.net/10400.1/12977
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.subjectViscoplastic consolidation analysis
dc.subjectLong term performance
dc.subjectSoft clay layers
dc.subjectMarine clay
dc.subjectSoil disturbance
dc.subjectWide embankment
dc.subjectImprovement
dc.subjectModel
dc.subjectInstallation
dc.subjectPrediction
dc.subjectGeosynthetics
dc.subjectReinforcement
dc.subjectPVD
dc.subjectSmearing
dc.subjectNumerical modeling
dc.subjectCreep
dc.titleThe effect of geotextile reinforcement and prefabricated vertical drains on the stability and settlement of embankments
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage461
oaire.citation.issue5
oaire.citation.startPage447
oaire.citation.titleGeotextiles and Geomembranes
oaire.citation.volume45
person.familyNameSilva
person.givenNameElisa Maria de Jesus da
person.identifierR-001-Y1B
person.identifier.ciencia-id8317-3C2A-D74A
person.identifier.orcid0000-0003-0037-2798
person.identifier.ridA-9743-2016
person.identifier.scopus-author-id57193905012
rcaap.rightsrestrictedAccess
rcaap.typearticle
relation.isAuthorOfPublication4469e56f-1da6-44a3-9ac7-24b3baa49146
relation.isAuthorOfPublication.latestForDiscovery4469e56f-1da6-44a3-9ac7-24b3baa49146

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