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1、重庆大学硕士学位论文II英文摘要ABSTRACTThesiltformsbythefunctionofbiological,chemicalandphysicalafterthedepositionofaveryslowwaterenvironment,itsmainlyhasthecharacteristicsofhighstrength,lowmoisturecontent,permeabilityandlargeporeratio,etc.Ithasbecomeabigtroubleinengineeringforalongtime
2、.Themethodofchemicalsolidificationhasbeenwidelyusedbecauseitsadvantagesofeasyconstruction,applicablewidely,lowprices,fasteffectandothers.Butthemostusedinorganicsolidifiedmaterialshavealotofdefects,suchaslowcuringefficiency,largeaffectedbyorganic,easytocrackandpoorstabilit
3、yofwater.Organicpolymersolidifiedmaterial,bycontrast,arelong-termstabilitytosolidifiedsoilandmakeupforthedefects.Withtherapiddevelopmentofmaterialscience,manynewpolymermaterialsovercomespreviouspolymermaterials’defect,suchastoxicandenvironmentalpollution,etc.Itmakesthesol
4、idifiedsiltbypolymermaterialscanshowallaspectsoftheabsoluteadvantage.Theresearchofthenewpolymersolidifiedmaterialbecomeaneweffectivewaytosolvetheproblemofsilt.Inthispaper,weselectedthreekindsofpolymersolidifiedmaterialtosolidifiedsiltbymixedwithit.Underdifferentdosageofpo
5、lymermaterialsthroughtheunconfinedcompressiontest,directsheartest,shrinkagetest,thewaterimmersiontestandaseriesofmicroscopictest,wegetthemodificationeffectanditsmechanismofthemechanicalproperty,deformationpropertyandwaterstableperformance.Theresultsofthestudycanprovidenew
6、waysfortreatmentofsiltproblemswithscientificbasis.Throughthestudyoftheresearchofpolymermodifiedsilt,theresultshowsthat:①Polymermaterialscanimprovethestrengthofthesiltsoil,thestyreneacrylicemulsionisabletoimprovetheeffectoftheoptimal.polymermaterialscaneffectivelyimproveth
7、esiltsoilshearstrengthindexes.With0.6%contentofpolyacrylateemulsioncanincreasethecohesiveforceofaround60%,0.6%dosageofstyreneacrylicemulsioncanmakeAngleofinternalfrictionincreaseabout5°.②Polymermaterialscansignificantlyincreasethedeformationpropertyofsiltsoil,andreduceshr
8、inkagecausedbywaterlossundernaturalconditions.0.3%dosageofpolyacrylateemulsioncanreduce70%deform
