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1、京沪高速铁路桥梁混凝土桥面防水层技术条件高速铁路桥梁混凝土桥面防水层技术条件（报批稿）铁道科学研究院铁道第四勘察设计院（专业设计院）2000年12月shouldbetightened,noloose,TerminalBoardwiringshouldbeoneoneachside,nomorethantwo.J,shieldedwire,sparewirebindingorder,reliablegrounding.7.7qualitystandard7.7.lcablesthroughthecabl
2、eembeddedtubemakinguseofgalvanizedsteelpipe,tubeendswithoutburrs,smooth.7.7.2pipedoesnotallowbending,bendingthebendradiusshouldbe≥4timestimestheouterdiameterofthetubein.7.7.3ellipticityofabenttube,pipediameter≤60mm,not>8%,diameter>760mm,not>6%.7.7.4maki
3、ngcablesburiedpipingapplicationrootproduction,growingwhereinterfaceisrequired,onlystraightpipe,onlythewireportconnections,weldedconnectionsarenotallowed.7.7.5servicesleeveshouldhaveagoodgrounding.7.7.6cabletraysinstallation,burrsanddirtandcorrosiontreat
4、mentshouldbecarriedout,installthebridge...7.8.1.7pipingandpiping,equipmentandequipmentorpipingandotherequipmentshallhavesufficientexpansiongapinhotsituations.7.8.1.8metaltemperatureoftheinsulatinglayer(hot)=shell-walltemperatureofenvironmenttemperature≤
5、40°c.7.8.2paint7.8.2.lpaintofequipmentandpipelinesshouldhaveatleastaprimer(redpaint)andfinish.7.8.2.2paintappearancecoloruniform,withoutpaint,rust,flaking,wrinkles,flowmarks,scum,paintparticlesandvisiblebrushmarks.7.8.2.3interlayershouldbetightandwithou
6、tstratification.7.8.2.4pipelinesasphalt,fiberglassfabriccorrosion,externalappearanceshouldnevershowsurroundedbyglassfiberclothuniform,dense,paintedpitchinspectionshouldbenodelamination,cavitation,homogeneityofasphaltcoating,brushingeachlayerthicknessina
7、ccordancewithdesignrequirements.Standard7.97.9structureplacementprocess.1fair-facedconcreteisaconcretesurfacewithoutanydecoration,structureappearancequalityofconcretestructurethatisabletodisplaystrengthandaestheticperceptionofqualitystandards.Constructi
8、ontechnologyrequirementsareasfollows:templatetemplatePanelselectionandprocessingrequireplatehighstrength,goodtoughnessand京沪高速铁路桥梁混凝土桥面防水层技术条件目录1适用范围·························································12引用标准··················
