ANSI/UL 611-1993 总站防盗报警系统
时间:2024-05-21 04:00:07 来源: 标准资料网 作者：标准资料网 阅读：8158
【英文标准名称】:Central-StationBurglar-AlarmSystems
【原文标准名称】:总站防盗报警系统
【标准号】:ANSI/UL611-1993
【标准状态】:作废
【国别】:美国
【发布日期】:1993
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:英语
Product Code:SAE AS9521
Title:Bolt, Machine - Steel, Cadmium Plated, Hexagon Head, UNS G87400, 125 ksi min, .3750-24 UNJF-3A
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:Scope unavailable.【英文标准名称】:StandardPracticeforUseofUnbondedCapsinDeterminationofCompressiveStrengthofHardenedConcreteCylinders
【原文标准名称】:硬化混凝土管的抗压强度测定过程中的无约束盖子使用的标准实施规程
【标准号】:ASTMC1231/C1231M-2010a
【标准状态】:现行
【国别】:
【发布日期】:2010
【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】:C09.61
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:套;抗压强度;混凝土;混凝土测试;弹性体;氯丁橡胶;衬垫盖
【英文主题词】:cap;compressivestrength;concrete;concretetest;elastomeric;neoprene;padcap
【摘要】:ThispracticeprovidesforusinganunbondedcappingsystemintestinghardenedconcretecylindersmadeinaccordancewithPracticesC31/C31MorC192/C192MinlieuofthecappingsystemsdescribedinPracticeC617.Theelastomericpadsdeformininitialloadingtoconformtothecontouroftheendsofthecylinderandarerestrainedfromexcessivelateralspreadingbyplatesandmetalringstoprovideauniformdistributionofloadfromthebearingblocksofthetestingmachinetotheendsoftheconcreteormortarcylinders.1.1ThispracticecoversrequirementsforacappingsystemusingunbondedcapsfortestingconcretecylindersmoldedinaccordancewithPracticeC31/C31MorC192/C192M.Unbondedneoprenecapsofadefinedhardnessarepermittedtobeusedfortestingforaspecifiedmaximumnumberofreuseswithoutqualificationtestinguptoacertainconcretecompressivestrengthlevel.Abovethatstrength,levelneoprenecapswillrequirequalificationtesting.Qualificationtestingisrequiredforallelastomericmaterialsotherthanneopreneregardlessoftheconcretestrength.1.2Unbondedcapsarenottobeusedforacceptancetestingofconcretewithcompressivestrengthbelow1500psi[10MPa]orabove12000psi[80MPa].1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.(WarningConcretecylinderstestedwithunbondedcapsrupturemoreviolentlythancomparablecylinderstestedwithbondedcaps.ThesafetyprecautionsgivenintheManualofAggregateandConcreteTestingarerecommended.)
【中国标准分类号】:
【国际标准分类号】:91_100_30
【页数】:5P.;A4
【正文语种】: