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》由会员分享,可在线阅读,更多相关《高层建筑施工外文文献翻译Word下载.docx(14页珍藏版)》请在冰豆网上搜索。
![高层建筑施工外文文献翻译Word下载.docx](https://file1.bdocx.com/fileroot1/2022-10/12/6377ebec-8cd4-4d22-995a-993f44d501cb/6377ebec-8cd4-4d22-995a-993f44d501cb1.gif)
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