基本信息
标准名称: | 建筑抗震鉴定标准 |
英文名称: | Standard for seismic appraiser of building |
中标分类: |
工程建设 >>
工程抗震、工程防火、人防工程 >>
工程抗震 |
替代情况: | 替代TJ 23-1977;被GB 50023-2009代替 |
发布部门: | 国家技术监督局、中华人民共和国建设部 |
发布日期: | 1995-12-19 |
实施日期: | 1996-06-01 |
首发日期: | 1900-01-01 |
作废日期: | 2009-07-01 |
起草单位: | 中国建筑科学研究院 |
起草人: | 戴国莹、杨玉成、李德虎、王骏孙、李毅弘 |
出版社: | 中国标准出版社 |
出版日期: | 1900-01-01 |
页数: | 61页 |
适用范围
本标准适用于抗震设防烈度6~9度地区的现有建筑的抗震鉴定.抗震设防烈度一般情况下,可采用地震基本烈度.
前言
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引用标准
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所属分类: 工程建设 工程抗震 工程防火 人防工程 工程抗震
【英文标准名称】:StandardTestMethodforEvaluatingtheOxidativeResistanceofPolyethylene(PE)PipetoChlorinatedWater
【原文标准名称】:评定聚乙烯管(PE)抗氯化水氧化性的标准试验方法
【标准号】:ASTMF2263-2007e1
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:F17.40
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:氯化的;评定;聚乙烯;管;抵抗;水
【英文主题词】:chlorineresistance;oxidativeresistance;pipe;polyethylene
【摘要】:1.1Thistestmethoddescribesthegeneralrequirementsforevaluatingthelong-term,chlorinatedwater,oxidativeresistanceofpolyethylene(PE),usedincoldwatersupplyorservicesystemsbyexposuretochlorinatedwater.Thistestmethodoutlinestherequirementsofapressurizedflow-throughtestsystem,typicaltestpressures,test-fluidcharacteristics,failuretype,anddataanalysis.Note1Otherknowndisinfectingsystems(chlorinedioxide,ozone,andchloramine)arecurrentlyusedforprotectionofpotablewater;however,free-chlorineisbyfarthemostcommonsysteminusetoday.Disinfectingsystemsotherthanchlorinehavenotbeenevaluatedbythismethod.1.2Guidelinesandrequirementsfortesttemperatures,testhoopstresses,andothertestcriteriahavebeenestablishedbypriortestingofPEpipe.OtherrelatedsystemcomponentsthattypicallyappearinaPEcoldwatersupplyorservicesystemcanbeevaluatedwiththePEpipe.WhentestingPEpipeandfittingsasasystem,itisrecommendedthattheanticipatedend-usefittingtype(s)andmaterial(s)beincludedinthetestcircuitsinceitisknownthatsomefittingtypesandmaterialscanimpactfailuretimes.Specimensusedshallberepresentativeofthepipingproduct(s)andmaterial(s)underinvestigation.Note2Theproceduresdescribedinthistestmethod(withsomemodificationsoftesttemperaturesorstresses,orboth)havebeenusedtoevaluatepipesmanufacturedfrompolybutylene(PB),crosslinkedpolyethylene(PEX),polypropylene(PP),multilayer(polymer-metalcomposite),copper,andstainlesssteel.1.3ThistestmethodisapplicabletoPEpipeandsystemsusedfortransportofpotablewatercontainingfree-chlorinefordisinfectingpurposes.Theoxidizingpotentialofthetest-fluidspecifiedinthistestmethodexceedsthattypicallyfoundinpotablewatersystemsacrosstheUnitedStates.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonlyandarenotconsideredstandard.Thefollowingprecautionarycaveatpertainsonlytothetestmethodportion,Section,ofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G33
【国际标准分类号】:23_040_20
【页数】:6P.;A4
【正文语种】: