ASTM C 1504M-2003 涵管、雨水管用预制钢筋混凝土三边构件制造的标准规范(米制)
作者:标准资料网 时间:2024-05-14 06:00:05 浏览:8029
来源:标准资料网
【英文标准名称】:StandardSpecificationforManufactureofPrecastReinforcedConcreteThree-SidedStructuresforCulverts,StormDrains(Metric)
【原文标准名称】:涵管、雨水管用预制钢筋混凝土三边构件制造的标准规范(米制)
【标准号】:ASTMC1504M-2003
【标准状态】:作废
【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(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:预制混凝土;加筋混凝土;排水管;涵洞;下水道
【英文主题词】:sewers;precastconcrete;culverts;reinforcedconcrete;drains
【摘要】:
【中国标准分类号】:Q14
【国际标准分类号】:23_040_50
【页数】:5P;A4
【正文语种】:英语
Product Code:SAE AMS3670/2
Title:Polyamide-Imide Bar, Rod, and Shapes 20 Graphite-3 Polytetrafluoroethylene (PTFE) Filled
Issuing Committee:Ams P Polymeric Materials Committee
Scope:This specification covers a polyamide-imide plastic filled with graphite and polytetrafluorethylene (PTFE) in the form of molded bar, rod, and shapes.【英文标准名称】:Outlineofinvestigationforspecialpurposeground-faultcircuit-interrupters
【原文标准名称】:专用接地故障电路中断器测试大纲
【标准号】:ULSUBJECT943C-2011
【标准状态】:现行
【国别】:美国
【发布日期】:2011-01-18
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:1.1Theserequirementscoverground-faultcircuit-interruptersintendedforuseinoneofthefollowingapplications:a)Wherethevoltagetogroundisgreaterthan150voltsandequipmentgroundingordoubleinsulationisrequiredbytheNationalElectricalCode,ANSI/NFPA70,b)Wherethevoltagetogroundis150voltsorlessandequipmentgroundingordoubleinsulationisprovided,buttheuseofaClassAground-faultcircuit-interrupterisnotpractical.1.2Ground-faultcircuit-interruptersaddressedbytheserequirementsaredividedintothreeclasses,ClassC,DandE,baseduponvoltageratingandthecharacteristicsofthegroundingcircuit.Someareintendedforuseincircuitswheregroundingisnotprovidedtotheloadbutdouble-insulationisprovided.1.3Theseground-faultcircuit-interruptersareintendedtobeappliedoncircuitsasshowninFigure1.1.TherequirementsforClassAground-faultcircuit-interruptersareintheStandardforGround-FaultCircuit-Interrupters,UL943.
【中国标准分类号】:K31
【国际标准分类号】:
【页数】:22P.;A4
【正文语种】:英语
