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dc.contributor.authorB. Gratchev, Ivanen_US
dc.contributor.authorSassa, Kyojien_US
dc.date.accessioned2017-05-03T15:54:52Z
dc.date.available2017-05-03T15:54:52Z
dc.date.issued2009en_US
dc.date.modified2011-08-31T07:19:25Z
dc.identifier.issn10900241en_US
dc.identifier.doi10.1061/(ASCE)1090-0241(2009)135:2(271)en_AU
dc.identifier.urihttp://hdl.handle.net/10072/40551
dc.description.abstractThe effects of pH on the liquefaction susceptibility of fine-grained soils were examined by performing undrained cyclic ring-shear tests on artificial mixtures and a natural soil under different pH conditions. Solutions of diluted sulphuric acid H2SO4 and dissolved sodium hydroxide NaOH were used to create acidic and alkaline environments, respectively, while distilled water was used as a reference liquid. Low plasticity kaolin and illite-sand mixtures and a medium plasticity bentonite-sand mixture were selected to investigate the influence of plasticity and clay mineralogy on the pH-dependent response of soil to cyclic loading. The results showed that the effects of pH were more pronounced for the medium plasticity mixture, and depended greatly on the mineralogy of clay fraction. For example, in an acidic medium, the kaolin-sand mixture became slightly more resistant to liquefaction while the illite-sand mixture became more susceptible to liquefaction. The bentonite-sand mixture was observed to be the most sensitive to changes in pH environment. While resistant to liquefaction in distilled water, it rapidly liquefied in acidic and alkaline mediums. Cyclic behavior of a medium plasticity soil, which was collected from an earthquake-induced landslide, was also affected by changes in pH. Although being overall resistant to liquefaction regardless of pH, it decreased its cyclic strength in both acidic and alkaline environments. Based on the available literature and the obtained results, an attempt was made to explain the influence of pH on the undrained cyclic behavior of fine-grained soils.en_US
dc.description.peerreviewedYesen_US
dc.description.publicationstatusYesen_AU
dc.languageEnglishen_US
dc.language.isoen_AU
dc.publisherAmerican Society of Civil Engineeringen_US
dc.publisher.placeUnited Statesen_US
dc.relation.ispartofstudentpublicationNen_AU
dc.relation.ispartofpagefrom271en_US
dc.relation.ispartofpageto279en_US
dc.relation.ispartofissue2en_US
dc.relation.ispartofjournalJournal of Geotechnical & Geoenvironmental Engineeringen_US
dc.relation.ispartofvolume135en_US
dc.rights.retentionYen_AU
dc.subject.fieldofresearchCivil Geotechnical Engineeringen_US
dc.subject.fieldofresearchcode090501en_US
dc.titleCyclic Behavior of Fine-Grained Soils at Different pH Valuesen_US
dc.typeJournal articleen_US
dc.type.descriptionC1 - Peer Reviewed (HERDC)en_US
dc.type.codeC - Journal Articlesen_US
gro.date.issued2009
gro.hasfulltextNo Full Text


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