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verypleasedtobeheretojointhisforum.

Thetopic

ofmypresentationispropertiesofrapidconstructionmaterialsforsoilpavementoffieldairfield.Asisshowninthepicture,themainpartsofmyresearchareaboutsoilpavement.

Mypresentationwillincludethesefourparts:

First,somebackgroundinformationaboutthisresearch;second,themainworkwehavedone;third,someconclusionswehavegotandthelast:innovationandpresentationofourpublishedpapers.

WhyIchoosethisitem?Ithinkitcanbeillustratedfromthefollowingfourparts.First,theexistingquantityofairfieldsisstillnotsufficientandtheairfieldshavemanyshortcomingsespeciallyinwartime.

Second,thecomplementaryfacilities,suchashighwayrunwaysarefarlessthanairfields,however,havemoreweakness.Third,acertainamountoffieldairfieldisquitenecessaryconsideringsomeemergenciessuchasrescueanddisasterrelief.Forth,thefieldairfieldcanfillthevoidofairfieldandtheycanbecombinedtobeairfieldnetwork.

Themeaningandaimofthisresearchcontainsthreeparts.Fast,convenientandvalidity,fastmeansthefieldairfieldmustbeconstructedasfastaspossible,convenientmeanstheconstructionshouldneedtheminimumequipment,laborandmaterialsconsideringtheactualconstructioncondition,validitymeanstheconstructedairfieldisabletosupporttheoperationofgivenaircraftinspecificallytime.

Justlikemanyotherterritories,thesituationoftheresearchisthattheU.S.Armytakesadvancedline.TheU.S.Armydeclaresthattheycanreachtoanywhereontheearthin96hours,themostimportantmethodforforceprojectionisthoughaircraft,thusrapidconstructionofpavementisthekeyproblemforrapidforcetransportation.

Themainworkwehavedonecanbesummarizedasfourparts,materialschoosing,schememaking,mechanicalpropertiesresearchandwater-stablepropertiesresearch.

Wechoosetwokindsofsoils,whicharegotfromXi’an,ShanxiprovinceandJiuquan,Gansuprovinceseparately.ThesandfromBaRiverwasconsideratetoinvestigatetheinfluenceofsandtothepropertiesofstabilizedsoil.Thechosenthreekindsofpowdersarecement,limeandnew-typestabilizerdevelopedbyChang’anUniversity.Theprinciplesinconsideringthefunctionof4kingsoffibersarereferringdifferentlength,typeandmixingthem.

Asregardstheinnovation,Ithinkitthroughoutthewholeresearch,includingmaterialschoosing,schememaking,mechanicalandwater-stableexperiments.Ithinkitcanbedrawledfromthefollowingkeywords,suchassoilchoosing,sand,powders,fibers,andsoon.Threemainpartscanbesummarized.First,selectingtwokindsofsoils,threekindsofpowders,sever