国际会议作报告英语演讲PPT.ppt 15页

'PropertiesofrapidconstructionmaterialsforsoilpavementoffieldairfieldAuthor:……1Presentation……………………University 2ContentsBackgroundWorkingConclusionInnovationContents 3WhyMeaningSituationAirfieldRailwayRescueNetworkBackground 4MeaningSituationFastValidityConvenientWhyAimBackground 5U.SArmy:Reachingtoanywherein96hoursTheycansupportC-17in16days……BackgroundMeaningWhySituation 6MainWorkMaterialsSchemeMechanicalWater-stableWorking 7MaterialsSchemeMechanicalWater-stable2soils1sand3powders4fibersWorking Differentkind,differentamount,withandwithoutsand8SchemeMechanicalWater-stableMaterialsPowdercontrolFibercontrolOtherfactorsSpecificschemeOtherfactorsFibercontrolSpecificscheme6%8%10%8%10%22%6%3%5%7%3%3%3%2%4%6%8%10%Working 9CompactiontestCompressionstrengthMaterialsSchemeMechanicalWater-stableWorking 10SplittingtensionstrengthdirectsheartestMaterialsSchemeMechanicalWater-stableWorking 11CBRreboundmodulusMaterialsSchemeMechanicalWater-stableWorking 12SchemeMechanicalScouringtestpenetranttestWater-stableWorkingMaterials 13CantabriatestOthertestsWorkingSchemeMechanicalWater-stableMaterials Comprehensiveexperiments,testmethods,testinstrumentSeveralkindsoffibers,differentlength,admixtureSelectingtwokindsofsoils,threekindsofpowders,severalcombination14InnovationInnovationsandexperimentstestinstrumentcombinationfiberstestmethodspowderssoilchoosingInnovation 15THANKYOUAllquestionsarewelcomeThisisdeedby……..Including……,………,…….,……..,…..and…….'