路用柔性水泥基復(fù)合材料的制備與性能研究.pdf

1、武漢理工大學(xué)碩士學(xué)位論文路用柔性水泥基復(fù)合材料的制備與性能研究姓名：何維帥申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：材料學(xué)指導(dǎo)教師：姜洪義20081101武漢理工大學(xué)碩士學(xué)位論文AbstractSpecialapplicationenvironmentofpavernentintunnelsdemandthatthepavementnotonlyhavecommoncementconcretepavementadvantagesinconstructio

2、nwaterprooffireproofingsecuritydurabilitybutalsohaveridingcomfortExploringalowelasticmodulusandhightoughnessflexiblecementconcretepavementmaterials，haveabroadappliedfieldAsinglefactorandallorthogonalexperimentalmethodisa

3、doptedtooptimizethemixproportionofrubberizedlightweightaggregateconcrete，inordertodecreasetheelasticmodulusonthepremiseofnecessarystrengthSimultaneity，researchedtheinterfacebetweenaggregatesandhardenedcementpasteandpores

4、tructurebythemicrohardnesstest，polarizingmicroscopeirriageanalysisandSEMimagesBasedonthesystematicstudyonthemechanicalperformance，pavementperformanceandmicrostructure，therelationamongth，econstituents，structureandperforma

5、nceandthejointe仃ectsareinvestigatedAccordingtotheaboveresearchresults，thefollowingconclusionsCanbeobtained：1Theoptimizemixproportionparameterare“PPFratiois1O％，themixamountofrubberparticlesis10％polymercementratiois20％or35

6、％Itwimcompressivestrengthabove20MparatioofbendingstrengthtocompressivestrengthisaboveO32，elasticmoduluslessthan122GPaWasproducedIthaslowshrinkage，hightoughnessandgooddurabilityaswell2Whentheintroductionofcementmortarinac

7、ertainamountofrubberparticlesaddintheporousmortaritCansignificantlyweakentheinterfaceofsand—cementandrubbercombinationofcementTheratioofmortarShrinkagesignificantincreasedandtheintensityreduced，butthemortarflexibilityaft

8、ertheaccessiontotherubberhavesignificantlyimproved3TheeffectofthecementmortarstrengthisslightwiththeadditionofPPFEarlycontractformortarcrackisaveryactiverole，mortarshrinkagerateisobviouslylower，thepermeabilityofthemortar