【英文标准名称】:StandardTestMethodforWindResistanceofConcreteandClayRoofTiles(AirPermeabilityMethod)
【原文标准名称】:混凝土和粘土屋面瓦抗风性的标准试验方法(空气渗透率法)
【标准号】:ASTMC1570-2003(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:C15.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:airpermeabilitymethod;clayrooftile;concreterooftile;criticalupwardpressuredifference;upliftresistance;windresistance;Airpermeance/permeability;Clayrooftile;Concreterooftile;Criticalupwardpressuredifference;Roofingtile;U
【摘要】:Theairpermeabilityofroofingsystemsconstructedfromdiscreteelements,asisthecaseforclayandconcretetileandslateroofsystems,isacriticalfactorindeterminingthewindresistanceoftheroofsystem.Theabilityoftheroofsystemtorelievewind-inducedupliftpressuresasaresultoftheoverallairpermeabilityoftheroofassemblyrelatestotheresistanceoftheroofsystemtodamageinducedbywind.Naturalwindconditionsdifferwithrespecttointensity,duration,andturbulence;theseconditionsarebeyondthemeansofthistestmethodtosimulate.1.1Theairpermeabilityoftileroofingsystemsisacriticalfactorindeterminingthewindresistanceoftileroofingasappliedtoaroof.ThisStandarddescribesaprocedureformeasuringtheairpermeabilityofclayandconcretetileandslateroofsystemswhenappliedtoasmallsectionofroofdeckinaccordancewiththemanufacturer''sinstructions.1.2Thistestproceduremeasurestheairpermeabilityofalaidarrayofunsealedclayorconcreterooftilesorslates.Thetilesorslatesshallhaveathicknessbetween1/8-in.(3-mm)and2-in.(51-mm).1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q17
【国际标准分类号】:91_060_20
【页数】:4P.;A4
【正文语种】:英语


【英文标准名称】:Aerospaceseries-Pipecoupling8°30intitaniumalloy-Tees,branch,withthrustwirenut;GermanversionEN4027:2001
【原文标准名称】:航空航天系列.钛合金管连接件8°30'.带止推金属丝螺母的三通管分支;德文版本EN4027:2001
【标准号】:EN4027-2001
【标准状态】:现行
【国别】:
【发布日期】:2002-12
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:压合接头;三通管;验收规范;三通管配件;作标记;航空运输;航天运输;止推金属丝;规范(验收);名称与符号;管连接;活接头螺母;螺母;表面处理;多语种的;钛合金;管道配件;T形连接;航空航天运输
【英文主题词】:Acceptancespecification;Aerospacetransport;Airtransport;Compressionfittings;Designations;Marking;Multilingual;Nuts;Pipefittings;Pipejunctions;Pipetees;Spacetransport;Specification(approval);Surfacetreatment;Tee-fittings;Thrustwires;Titaniumalloys;T-joints;Unionnuts
【摘要】:
【中国标准分类号】:V21
【国际标准分类号】:49_080
【页数】:12P.;A4
【正文语种】:英语