高层建筑施工外文文献翻译Word下载.docx

高层建筑施工外文文献翻译Word下载.docx

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Measurestoreduceconstructiontimeofhigh-risebuildings（缩短高层建筑施工工期的措施）

文献作者及出处：

KolchedantsevL,AdamtsevichA,StupakovaO,etal.Measurestoreduceconstructiontimeofhigh-risebuildings[C]//E3SWebofConferences.EDPSciences,2018,33:

03062.

字数统计：

英文2335单词，13057字符；

中文3906汉字

外文文献　

Measurestoreduceconstructiontimeofhigh-risebuildings

AbstractTheorganizationalandtechnologicalsolutionsforhigh-risebuildingsconstructionefficiencyincreaseareconsidered,primarily–decreaseoftypicalfloorconstructiontimeandimprovementofbearingstructuresconcretequality.Theessenceofofferedtechnologyis:

aconcretemixingstationandapolygonmainlyforload-bearingwallpanelswithstarterbarscastingarelocatedonthebuildingsite;

forreinforcedconcretecomponentsmanufacturingandbuttjointsgroutingthewarmed-upconcretemixturesareused.TheresultsofresearchesandelaborationscarriedoutbytheSPSUACEinareaofapreliminarywarming-upofconcretemixturesarepresented.Thepossibilityandfeasibilityoftheirusageinhigh-risebuildingsandofexcessheightbuildingsconstructionincludingcast-in-placeandprecastexecutionareshown.Theessenceofheat-vibrotreatingofconcretemixtureisrevealedasakindofpriorelectroresistivecuring,andtheachievedresultsare:

acceleratedconcretestrengthgain,powerinputsdecrease,concretequalityimprovement.Itisshownthatthelocationofaconcretemixingstationonthebuildingsiteenablestobroadenpossibilitiesofthe“thermos”methoduseandtoavoidconcretemixtureswarmingupinmedium-massstructureserection（columns,girders）duringthehigh-risebuildingsconstruction.Itisexperimentallyprovedthatthesplicebetweenprecastelementsencasedwithwarmed-upconcretemixtureisequalwithconjugatedelementsinstrength.

1.Introduction

Themostimportantconstructionalandtechnologicalpeculiarityofbuildingsofexcessheight（25-30storeys）andhigh-risebuildings（100-150andmorestoreys）isitssignificantheightexcessondimensionsinplan.Fromthisitfollowsthattheconstructiontimeofitssubstructuremassivelydependsontypicalfloorconstructiontime.5-6workingdaysperstoreyisconsideredtobeacceptableresultaccordingtoliterature.Fromthisitfollowsthattheonlysubstructurewillbeunderconstructionaboutthreeyears.Thus,atypicalfloorconstructiontimedecreaseisquiteanimportanttask.

Becauseoflimitedsizesinplandecreaseoftypicalfloorconstructiontimebymeansofcompactingtimeschedulesofdifferentworktypescompletewithtraditionaltechnologiesisoflittlepromise.Themosttypicalfloorconstructiondecreasetimeeffectmaybegotduetorealizationoforganizationalandtechnologicalconclusionsbeingthepointatissueofthisarticlewhichare:

locationofaconcretemixingstationandcastingyard（mainlyforwallpanelsmanufacturing）onthebuildingsite;

thewarmed-upconcretemixturesusageforreinforcedconcretecomponentsonsitecastingandbuttjointsgrouting;

concretemixturepreparationwith350С-450Сtemperatureatthepolygonformediummassstructuresconcretepouringandtheirsubsequentmaturingbyusingthe“thermos”method.

Therearesubstantiationsofeachlistedorganizationalandtechnologicalsolutionbelow.Itisimportanttonotethatonlycombinedapplicationofthemenablestogetthedesiredresultthatistypicalfloorconstructiontimedecreaseof1.5-2days.

2.Methods

Itiswellknownthattheextra-strongconcreteclasses（B50-B80）areusedforlowerstoreysconstructionandhigh-strengthconcreteclasses–forupperstoreysconstructioninhigh-risesbuilding.Mentionedparametersofconcretephysicalandmechanicalpropertiesareestimatedrelatively（relativecompressive,tensile,bendingstrength,etc.）,whatgivestheopportunitytoapplythelabandfieldtestsresultstoconcretesofdifferentclasses.

Inadditiontotraditional（Gostovskaya）techniques,forexample,GOST10180-90Concrete.Methodsofdeterminingstrengthontestspecimens,fortestofjointofprecast-monolithicbuildingswasdesignedbyaspecialtechnique.Onactiveareaofthe“old”concretewhicharetheendsofcombinedpanelstheverticalinclinedchases4mmwideand6mmdepthweremade.Theconcretemixtureof"

new"

concretewaswarmed-upjustbeforetheplacingwithalternateelectriccurrentofindustrialfrequency（50Hz）to+500Сand+700Сtemperatureandthenplacedwithvibrationinsplicecavity.For"

old"

and"

concretessamplessheartestingpostgraduatestudentMustafinR.R.createdspecialmethodexcludestheappearanceofthetorsionalmomentabout"

concretescontactplane.

Theessenceofconcretemixturethermaltreatmentthatisakindofapreliminarywarming-up,itsrationalapplicationfield,usedmaterials,andtheachievedeffectarepre