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1、陕北某公路项目建筑屋顶、女儿墙、压顶等损坏现象分析2015年11月12-13日对陕北某项目进行了设计核查，该项目交工运营约两年时间，核查中发现了与屋顶、女儿墙、压顶等相关的一些问题，希望有关专业管理人员在设计、监理、施工、管理以及运营维护中引起注意，从而提高设计施工管理水平，使用维护好建筑，特别是关于建筑屋顶女儿墙、压顶等的部分。之后也在网上搜索了一下关于建筑屋顶女儿墙、压顶等构造做法，仅供设计建设以及维护时参考。1、屋顶装饰构架上的涂料饰面使用二年后脱落情况。2、屋顶雨水管下缺少水簸箕排水。外墙勒脚饰面局部脱落。女儿墙压顶粉刷层局部错落。女儿墙内侧粉刷层饰面脱落。should
2、betightened,noloose,TerminalBoardwiringshouldbeoneoneachside,nomorethantwo.J,shieldedwire,sparewirebindingorder,reliablegrounding.7.7qualitystandard7.7.lcablesthroughthecableembeddedtubemakinguseofgalvanizedsteelpipe,tubeendswithoutburrs,smooth.7.7.2pipedoesnotallowbending,bendingthebendradi
3、usshouldbe≥4timestimestheouterdiameterofthetubein.7.7.3ellipticityofabenttube,pipediameter≤60mm,not>8%,diameter>760mm,not>6%.7.7.4makingcablesburiedpipingapplicationrootproduction,growingwhereinterfaceisrequired,onlystraightpipe,onlythewireportconnections,weldedconnectionsarenotallowed.7.7.5
4、servicesleeveshouldhaveagoodgrounding.7.7.6cabletraysinstallation,burrsanddirtandcorrosiontreatmentshouldbecarriedout,installthebridge...7.8.1.7pipingandpiping,equipmentandequipmentorpipingandotherequipmentshallhavesufficientexpansiongapinhotsituations.7.8.1.8metaltemperatureoftheinsulatingl
5、ayer(hot)=shell-walltemperatureofenvironmenttemperature≤40°c.7.8.2paint7.8.2.lpaintofequipmentandpipelinesshouldhaveatleastaprimer(redpaint)andfinish.7.8.2.2paintappearancecoloruniform,withoutpaint,rust,flaking,wrinkles,flowmarks,scum,paintparticlesandvisiblebrushmarks.7.8.2.3interlayershoul
6、dbetightandwithoutstratification.7.8.2.4pipelinesasphalt,fiberglassfabriccorrosion,externalappearanceshouldnevershowsurroundedbyglassfiberclothuniform,dense,paintedpitchinspectionshouldbenodelamination,cavitation,homogeneityofasphaltcoating,brushingeachlayerthicknessinaccordancewithdesignreq
7、uirements.Standard7.97.9structureplacementprocess.1fair-facedconcreteisaconcretesurfacewithoutanydecoration,structureappearancequalityofconcretestructurethatisabletodisplaystrengthandaestheticperceptionofqualitystandards.Constructiontechnologyrequi
