学术会议演讲稿英文Word文档格式.docx
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学术会议演讲稿英文Word文档格式.docx
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国际会议作报告英语发言稿
Thankyou,prof.….Mynameis…..I'
mfrom…Iamverypleasedtobeheretojointhisforum.Thetopicofmypresentationispropertiesofrapidconstructionmaterialsforsoilpavementoffieldairfield.Asisshowninthepicture,themainpartsofmyresearchareaboutsoilpavement.
Mypresentationwillincludethesefourparts:
First,somebackgroundinformationaboutthisresearch;
second,themainworkwehavedone;
third,someconclusionswehavegotandthelast:
innovationandpresentationofourpublishedpapers.
WhyIchoosethisitemIthinkitcanbeillustratedfromthefollowingfourparts.First,theexistingquantityofairfieldsisstillnotsufficientandtheairfieldshavemanyshortcomingsespeciallyinwartime.Second,thecomplementaryfacilities,suchashighwayrunwaysarefarlessthanairfields,however,havemoreweakness.Third,acertainamountoffieldairfieldisquitenecessaryconsideringsomeemergenciessuchasrescueanddisasterrelief.Forth,thefieldairfieldcanfillthevoidofairfieldandtheycanbecombinedtobeairfieldnetwork.
Themeaningandaimofthisresearchcontainsthreeparts.Fast,convenientandvalidity,fastmeansthefieldairfieldmustbeconstructed
asfastaspossible,convenientmeanstheconstructionshouldneedtheminimumequipment,laborandmaterialsconsideringtheactualconstructioncondition,validitymeanstheconstructedairfieldisabletosupporttheoperationofgivenaircraftinspecificallytime.
Justlikemanyotherterritories,thesituationoftheresearchisthattheArmytakesadvancedline.TheArmydeclaresthattheycanreachtoanywhereontheearthin96hours,themostimportantmethodforforceprojectionisthoughaircraft,thusrapidconstructionofpavementisthekeyproblemforrapidforcetransportation.
Themainworkwehavedonecanbesummarizedasfourparts,materialschoosing,schememaking,mechanicalpropertiesresearchandwater-stablepropertiesresearch.
Wechoosetwokindsofsoils,whicharegotfromXi'
an,ShanxiprovinceandJiuquan,Gansuprovinceseparately.ThesandfromBaRiverwasconsideratetoinvestigatetheinfluenceofsandtothepropertiesofstabilizedsoil.Thechosenthreekindsofpowdersarecement,limeandnew-typestabilizerdevelopedbyChang'
anUniversity.Theprinciplesinconsideringthefunctionof4kingsoffibersarereferringdifferentlength,typeandmixingthem.
Onaccountofthetime,Iwillmakeabrief
descriptionabouttheexperimentscheme.Insummary,threepartswereproposedtodistinguishtheaffectingfactorsinmakingexperimentscheme.Theyarepowdercontrol,fibercontrolandotherfactors.Takingpowdercontrolforexample,thedosageofcementisrespectively6%,8%and10%whenthesoilisstabilizedonlybycement,whilethedosageofcementdecreaseto3%,5%and7%whenthelimeisaddictedtostabilizedsoil.Thefollowingtwofactorsarestabilizerandsand.
Sixkindsofexperimentswereperformedtoinvestigatetheinfluenceofabovefactorstothemechanicalpropertiesofstabilizedsoil.Theaimof
compactiontestistofindthemaximumdrydensityandoptimummoisturecontent.Theaimofcompressionstrengthtestistodeterminetheoptimumdosageofcement,lime,powderstabilizerandfiber,meanwhileevaluatingtheperformanceofstabilizedsoil.Theaimofsplittingtensionstrengthtestissimilartocompressionstrengthtest,theleftpictureissamplestabilizedbycement,whiletherightpictureisthesamplestabilizedbyfiberandcement.Thedirectsheerisanotherimportantparameteringeotechnicalengineering.Itinfluencesthefoundationbearingcapacityandmanyotherpropertiesespeciallyforsoilbaseandbasecourse.Theleftpictureshowsthecourseofmaking
sampleandtherightpictureshowsthetestprocess.
TheCBRtestandreboundmodulustestarereferencedfromhighwaytestspecificationtoevaluatingthecomprehensivecapacitiesofeachstructurelevelofthepavement.Forboththetwotests,theleftpictureshowsthecourseofmakingsampleandtherightpictureshowsthetestprocess.Whatshouldbenotedisthatthenumberofsampleisatleast6,
thelastresultistheaveragevalueofthesedategotfromtestaftereliminatingthebadresults.
Fourkindsofexperimentswereperformedto
investigate
theinfluenceof
abovefactorsto
the
water-stable
propertiesof
stabilized
soil.
The
scouringtestisnotthestatedexperimentincurrentspecification.Itisperformedbyusthroughlookinguplargequantityofinterrelatedliterature,andtwodifferentwaystocarryout.Theleftpictureshowsthemethodofvibrationtableandtherightpictureshowsthemethodoffatiguetestinstrument.Penetranttestreferstotheexperimentinrelatingconcretespecification.Theleftpictureshowstheprocessofsaturation,therightpic
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