国际会议作报告英语发言稿

..Thankyou,prof.….Mynameis…..I’mfrom…..Iamverypleasedtobeheretojointhisforum.Thetopicof感谢阅读mypresentationispropertiesofrapidconstructionmaterials精品文档放心下载forsoilpavementoffieldairfield.Asisshowninthepicture,谢谢阅读themainpartsofmyresearchareaboutsoilpavement.感谢阅读Mypresentationwillincludethesefourparts:感谢阅读First,somebackgroundinformationaboutthisresearch;second,感谢阅读themainworkwehavedone;third,someconclusionswehavegot感谢阅读andthelast:innovationandpresentationofourpublished谢谢阅读papers.WhyIchoosethisitem?Ithinkitcanbeillustratedfromthe感谢阅读followingfourparts.First,theexistingquantityofairfields感谢阅读isstillnotsufficientandtheairfieldshavemany感谢阅读shortcomingsespeciallyinwartime.Second,the谢谢阅读complementaryfacilities,suchashighwayrunwaysarefarless感谢阅读thanairfields,however,havemoreweakness.Third,acertain感谢阅读amountoffieldairfieldisquitenecessaryconsideringsome感谢阅读emergenciessuchasrescueanddisasterrelief.Forth,the精品文档放心下载fieldairfieldcanfillthevoidofairfieldandtheycanbe精品文档放心下载combinedtobeairfieldnetwork.感谢阅读..下载可编辑....Themeaningandaimofthisresearchcontainsthreeparts.Fast,谢谢阅读convenientandvalidity,fastmeansthefieldairfieldmustbe精品文档放心下载constructedasfastaspossible,convenientmeansthe精品文档放心下载constructionshouldneedtheminimumequipment,laborand谢谢阅读materialsconsideringtheactualconstructioncondition,谢谢阅读validitymeanstheconstructedairfieldisabletosupportthe谢谢阅读operationofgivenaircraftinspecificallytime.谢谢阅读Justlikemanyotherterritories,thesituationoftheresearch感谢阅读isthattheU.S.Armytakesadvancedline.TheU.S.Army精品文档放心下载declaresthattheycanreachtoanywhereontheearthin96hours,精品文档放心下载themostimportantmethodforforceprojectionisthough精品文档放心下载aircraft,thusrapidconstructionofpavementisthekey精品文档放心下载problemforrapidforcetransportation.谢谢阅读Themainworkwehavedonecanbesummarizedasfourparts,谢谢阅读materialschoosing,schememaking,mechanicalproperties谢谢阅读researchandwater-stablepropertiesresearch.精品文档放心下载Wechoosetwokindsofsoils,whicharegotfromXi’an,Shanxi谢谢阅读provinceandJiuquan,Gansuprovinceseparately.Thesandfrom精品文档放心下载..下载可编辑....BaRiverwasconsideratetoinvestigatetheinfluenceofsand精品文档放心下载tothepropertiesofstabilizedsoil.Thechosenthreekinds感谢阅读ofpowdersarecement,limeandnew-typestabilizerdeveloped感谢阅读byChang’anUniversity.Theprinciplesinconsideringthe精品文档放心下载functionof4kingsoffibersarereferringdifferentlength,谢谢阅读typeandmixingthem.Onaccountofthetime,Iwillmakeabriefdescriptionabout精品文档放心下载theexperimentscheme.Insummary,threepartswereproposed谢谢阅读todistinguishtheaffectingfactorsinmakingexperiment感谢阅读scheme.Theyarepowdercontrol,fibercontrolandother精品文档放心下载factors.Takingpowdercontrolforexample,thedosageof精品文档放心下载cementisrespectively6%,8%and10%whenthesoilis感谢阅读stabilizedonlybycement,whilethedosageofcementdecrease精品文档放心下载to3%,5%and7%whenthelimeisaddictedtostabilizedsoil.感谢阅读Thefollowingtwofactorsarestabilizerandsand.感谢阅读Sixkindsofexperimentswereperformedtoinvestigatethe感谢阅读influenceofabovefactorstothemechanicalpropertiesof感谢阅读stabilizedsoil.Theaimofcompactiontestistofindthe谢谢阅读maximumdrydensityandoptimummoisturecontent.Theaimof感谢阅读compressionstrengthtestistodeterminetheoptimumdosage感谢阅读..下载可编辑....ofcement,lime,powderstabilizerandfiber,meanwhile精品文档放心下载evaluatingtheperformanceofstabilizedsoil.Theaimof谢谢阅读splittingtensionstrengthtestissimilartocompression感谢阅读strengthtest,theleftpictureissamplestabilizedbycement,谢谢阅读whiletherightpictureisthesamplestabilizedbyfiberand谢谢阅读cement.Thedirectsheerisanotherimportantparameterin感谢阅读geotechnicalengineering.Itinfluencesthefoundationbearing感谢阅读capacityandmanyotherpropertiesespeciallyforsoilbaseand精品文档放心下载basecourse.Theleftpictureshowsthecourseofmakingsample感谢阅读andtherightpictureshowsthetestprocess.精品文档放心下载TheCBRtestandreboundmodulustestarereferencedfrom谢谢阅读highwaytestspecificationtoevaluatingthecomprehensive谢谢阅读capacitiesofeachstructurelevelofthepavement.Forboth谢谢阅读thetwotests,theleftpictureshowsthecourseofmaking谢谢阅读sampleandtherightpictureshowsthetestprocess.Whatshould感谢阅读benotedisthatthenumberofsampleisatleast6,thelast感谢阅读resultistheaveragevalueofthesedategotfromtestafter谢谢阅读eliminatingthebadresults.感谢阅读Fourkindsofexperimentswereperformedtoinvestigatethe精品文档放心下载influenceofabovefactorstothewater-stablepropertiesof感谢阅读..下载可编辑....stabilizedsoil.Thescouringtestisnotthestatedexperiment谢谢阅读incurrentspecification.Itisperformedbyusthroughlooking感谢阅读uplargequantityofinterrelatedliterature,andtwodifferent精品文档放心下载waystocarryout.Theleftpictureshowsthemethodof精品文档放心下载vibrationtableandtherightpictureshowsthemethodof谢谢阅读fatiguetestinstrument.Penetranttestreferstothe谢谢阅读experimentinrelatingconcretespecification.Theleft精品文档放心下载pictureshowstheprocessofsaturation,therightpicture精品文档放心下载showsthetestprocess.Cantabriatestandothertestsarealloriginalexperiments;感谢阅读theyareusedinstabilizedsoilforfirsttime,hereIwill谢谢阅读notdevelopmynarrative.Asregardstheinnovation,Ithinkitthroughoutthewhole感谢阅读research,includingmaterialschoosing,schememaking,精品文档放心下载mechanicalandwater-stableexperiments.Ithinkitcanbe精品文档放心下载drawledfromthefollowingkeywords,suchassoilchoosing,精品文档放心下载sand,powders,fibers,andsoon.Three