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ID:13012827
大小:358.00 KB
页数:48页
时间:2018-07-20
《建筑施工技术复习资料(下》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、建筑施工技术复习资料(下)单项选择题1.我国规定:混凝土搅拌机以其(B)标定规格。A出料容量B进料容量C出料系数D(出料容量+进料容量)/22.墙体水平施工缝应留在底板表面以上不小于(A)的墙体上。A200mmB300mmC400mmD500mm3.混凝土强度达到(C)前,不得在其上踩踏或安装极板及支架。A1.0MpaB1.15MpaC1.2MpaD1.25Mpa4.混凝上自高处倾落时的自由倾落高度不宜超过(D)。A0.5mB1.0mC1.5mD2.0m5.用于检查结构构件混凝上强度的试件,应在混凝土的(D)随机抽取。A搅拌地点B养护地点C取样地点D浇筑地点6.混凝土施工缝应尽可能留置在受
2、(C),并便于施工的部位。A弯矩较小B轴力较小C剪力较小D扭矩较小7.混凝土自然养护,是指在平均气温高于(A)的条件下使混凝土保持湿润状态。A5C0B10C0C15C0D20C08.普通防水混凝土是以调整和控制(D)的方法,来达到提高混凝土密实性和抗渗性要求。A原材料质量B原材料含水量C原材料强度D混凝土配合比9.对掺用缓凝型外加剂或有抗渗要求的混凝土,养护时间不应少于(C)天。A3B7C14D2810.混凝土自高处倾落时的自由倾落高度不宜超过(B)。超过(B)时应采取措施。A1.5mB2.0mC2.5mD3.0m11.搅拌混凝土前,先在料斗中装入(A),可使水泥夹在石子和砂中间,有效地避
3、免上料时所发生的水泥飞扬现象,同时也可使水泥及砂子不致粘住斗底。nthemainterminal,andthetelephoneOfficeisresponsibleforprovidingtheappropriatesizeadapterpatchpanelsandelectricalprotectionunit.(Shuttlebus)wiring(IDF)setupintheworkshoponthesecondfloorofthebuilding,locatedintheDistrictofweakelectricalcabinets(well).Engineroomplacedi
4、nsidetheCabinet,IDFplacedastandard40Ucabinetsforinstallationofnetworkandwiringdevices,managementcomputerandtelephoneinformation.CabinetdistributionframearemadeofSuperfiveRJ45patchpanelhorizontaltwistedpairconnections.Computerinformationmanagement,adminareausingthejumpers,whichusesprivateRJ45-RJ45s
5、oftjumpersfornetworkdeviceswithjumpershoppingbetweenallswitches,changes,expansionandmaintenanceweredonequicklyinthewiringcloset.TwistedlengthCentreroomislocatedonthesecondfloor,outwardradiationofeachline(exceptsomepointsmayexceed)doesnotexceed100metresinlength,allinformationforthevariousfloorsallr
6、ooms(distributionCabinet)unifiedmanagement.Districtworkshopbuildingdistributionlines(IDF)viafiberopticcablesconnectedtothetotalroomcabinets.Fiberlengthwere:workshopstwoIDF:totalmorethan1200squaremeters,doublethenumberofstrandscanbecalculatedbymultiplyingtheaveragelengthofthenumberofinformationpoin
7、tsare.Averagelevelofeachlengthofcable:L=[(S1+S2)/2]+L1+L2l:averagelengthofcable;L1:MDFcableallowance;L2:otherallowancesS1:minimumhorizontalcablelength;S2:maximumhorizontallengthofcable;Officebuildingofinformation
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