Nonlinear Analyses for the Permeability Coefficient of Frozen Soil

Electronic journal of geotechnical engineering

Jun Xie*²  Jianjun Liu¹ 

[1] Professor, School of Civil Engineering and Architecture, Southwest Petroleum University, China 610500;;School of Civil Engineering and Architecture, Southwest Petroleum University, China 610500*: Corresponding Author

关键词: Frozen soil;    Permeability coefficient;    Unfrozen water content;    Ice content;    Nonlinear law;   

DOI  :  

来源: Oklahoma State University

【 摘 要 】

Asamulti-phaseporousmedium,frozensoilpropertyisinfluencedbytheshapeofsoilparticle,magnitude,soiltemperature,stressandwatercontentetc,thereforetheconfirmationofthepermeabilitycoefficientisextremelycomplex.Accordingtothecharacterthateachcomponentrandomlydispersesintothefrozensoil,combiningwiththestochasticsimulationmethod,afiniteelementnumericalsimulationsoftware-COMSOLisappliedtoresearchthecorrelationbetweenthepermeabilitycoefficientandinfluencingfactorsinthispaper.Resultsilluminatethatthepermeabilitycoefficientoffrozensoilwillincreasewiththeincreaseofparticlesize,porosity,andunfrozenwatercontent,inaddition,thefunctionrelationsarenonlinearones;onthecontrary,thepermeabilitycoefficientwilldecreasewiththeincreaseoftheicecontentandthemoisturecontent,similarlythefunctionrelationsarenonlinearones.Researchresultscorrespondwiththemeasureddataandpreviousresearch,soitprovesthatsuchmethodisaneffectiveandsuitablemeanstoresearchthefrozensoilphysicalproperty.

【 授权许可】

Unknown