混凝土喷射机中英文对照外文翻译文献.docx

混凝土喷射机中英文对照外文翻译文献.docx

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混凝土喷射机中英文对照外文翻译文献

（文档含英文原文和中文翻译）

中英文资料外文翻译

Summarizationandimprovementofconcrete-ejectingmachines

Abstract:

Thetextintroducestheprinciple,styleanddevelopmentprocessofdryandwettypeconcrete-ejectingmachines.Itanalyzesdomesticandforeignapplicationinstance,allkindsofconcrete-ejectingmachinesmostlymeritandflaw.Alsoitintroducessomerepresentationalwetcon-crete-ejectingmachinesdomesticdeveloped.Someflawsofconcrete-ejectingmachinesareimproved.

Keywords:

concrete-ejectingmachines,framecharacteristic,operatingprinciples,highway.

Concreteistheuseofcompressedairjet,willbeallocatedacertainlevelandgoodwater-cementratiomixingconcretematerials,throughthepipelinebythejetnozzle,andhighspeedjetouttothesurfacebysprayingaconcretesuppor-tLayerissprayedconcreteconstructionequipmentoperationsinthemain.Asaconcretesprayingtechnologysavingconcreteandsteel,timber,labour-savingandimproveconstructionefficiencyandreducecosts,andothercharacteristics,theconcreteapplicanofthejetincreasinglycommon.Hasnowbeenwidelyus-edinrailway,highway,waterconservancy,construction,coalandotherbuildi-ngworksinconstruction,atunnelsolution,roadslope,constructionpit,unde-rgroundworksoftemporaryandpermanentcaretosupporttheconstructionm-achineryoperations.[1]

1Theworkofsprayedconcretemechanismandthedevelopmenttrend

Insprayedconcreteoperations,theoverwhelmingmajorityoftheuseofconcrete-rotoraircraft,suchasjetstructureissimple,reliableperformance,asmall,lightweight,easytooperateandmaintenance。

Dryjetprincipleandstructureare:

therotorwithalinertoacertainspeedofrotation,andthecombinationofpressureplatesfixedonthelinerfixed,withaboardconnectedintothewindpipeanddischargingelbow,whenRotorequippedwithmaterialsinthevariousmaterialsCuprotationandintothewindtotheelbowanddischargingthesametime,intheroleofgasunderpressure,andmaterialsthroughtheelbowandexpectedtolosethematerialtransportedtothenozzleandnozzleinthewaterBlastingaway.

Dryconcretejetofthemainadvantagesisalongdistancecarrier,simpleequipment,durable,butbecauseitissodrynozzles,mixingconcretemixedwithwater,andthereforetheconstructiondust,aremoreresilient,drysprayingoperationsagainstworkersinthedustHealth,inparticularthenarrowroadwayconstruction,dustpollutionismoreserious[2]。

Fromthe1960sonwards,inWesterndevelopedcountries,wetsprayingbegangraduallyintroducingthetechnology,allkindsofwetconcreteJetsalsobedeveloped,sprayedconcreteanddrythemaindifferenceisthatenough（inwater-cementratiorequirementsshouldbeThevolumeof）theopportunitytojointhemixingofdifferentwater。

WetsprayedconcreteisexpectedlosetheiraccesstotheformerMixturehasaddedafootofwatermixing,theloserinthedeliveryofthecylinderisthewetconcrete;drysprayedconcreteislostinthetransmissionofthematerialdidnotjointhemixingWaterdrymaterial（groundhumiditymixingnaturalmaterialsordryingmaterials）,andinsufficientvolumenozzlebeforemixingwithwater,drymixtureandmixquicklyafterthewholewetconcretedeliveredtothenozzle,speedupthecoagulationofthedopedAfterthejettobeamamaterialofconstruction[3].

Atthenationallevel,aspeople'senvironmentalawarenessandenhancethequalityofsprayedconcreterequirementsoftheincrease,anincreasingnumberofwetconcreteintotheuseofjetaircraft.Inrecentyears,somedomesticunitsalsobegantodevelopseveralwetconcretejet,butthescaleofproductionisstilltobeexpanded.Tosumup,jetwetconcreteofthemainadvantagesarethefollowing:

1）greatlyreducedtheplaneandnexttothenozzlesofdustconcentrationandeliminatethehealthhazardstoworkers.

2）highproductivity.DryconcreteJetsgeneralnomorethan53m3/h,andtheuseofjetwetconcrete,artificialoperationsupto103m3/h,amechanicalmanual,upto203m3/h.

3）Thereboundwaslow.JetDry,concretereboundofupto15percentto50percent,thewetspraytechnicalreboundratecanbereducedtobelow10%.

4）wetspray,easytocontrolbecauseofwater-cementratio,ahighdegreeofconcretehydration,itcansignificantlyimprovethequalityofsprayedconcreteandimprovequalityoftheconcreteabsorbed.

2WetconcreteJetsandthetypeofworkprinciple

ConcretePumpingmainpistonpump-jetsprayandawet-wetsprayingmachinescrewpumptwocategories.Pistonpump-jetaircraftwillbewetplunger-wetconcreteasaconcretepumpthebasicbodyjet,withtheexportpipelinetothenozzleandinthisAccesstocompressedgaswilljetoutofconcrete,wetspraysuchaheavymachinegeneralHowever,longdistancetransmission,Secon