摘要
Theelasticbehaviorofsaturatedporousmaterialsunderundrainedfreezingisinvestigatedbyusingaporomechanicalapproach.Thermodynamicequilibriaareusedtodescribethecrystallizationprocessofthepartiallyfrozensolutioninbulkstateandconfinedstateinpores.Byphasetransitionatfreezing,fusionenergy,thermalcontractionofsolid,solutionandicecrystals,volumechangesofcrystallizationbuildupremarkableporepressurethatinducesexpansionorshrinkageofsolidmatrix.Owingtothelowerchemicalpotentialwhenporewatermixeswithsalts,fewericeformsinpores.Penetrationoficeintotheporousmaterialsincreasesthecapillarypressure,butlimitse?ectontheporeliquidpressureandthestrainofsolidmatrix.Onthecontrary,theporepressureinducedbysolutiondensityrisesassaltconcentrationincreasesandcausessignificantshrinkageofsolidmatrix.
出版日期
2013年06月16日（中国期刊网平台首次上网日期，不代表论文的发表时间）
