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MIL-DTL-713F

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MIL-DTL-713F, DETAIL SPECIFICATION: TWINE, FIBROUS: IMPREGNATED, LACING AND TYING (08 JUL 2009) [SUPERSEDING MIL-T-713E]., This specification covers the requirements of twine suitable for lacing and tying (see 6.1).
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基本信息
标准名称:渠化工程地质勘察规范(附条文说明)
英文名称:Code for Engineering Geological Investigation of Canalization Works
中标分类: 工程建设 >> 交通运输工程 >> 港口与航道工程
发布部门:中华人民共和国交通部
发布日期:1998-12-11
实施日期:1999-05-01
首发日期:
作废日期:
起草单位:长江航道局
起草人:荣天富、刘书伦、傅理明、朱杏珍、刘镇亚、杜宇堂、闵朝斌、张忠恕、贾习俊
出版社:人民交通出版社
出版日期:1999-05-01
页数:75页
适用范围

本规范适用于天然河流的渠化工程,也适用于运河、湖泊的航运枢纽工程,是进行此类工程地质勘察工作的基本准则以及编制勘察任务书和工作大纲的依据,勘察任务书提纲见附录Ao

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所属分类: 工程建设 交通运输工程 港口与航道工程
【英文标准名称】:StandardTestMethodforUsingaConeCalorimetertoDetermineFire-Test-ResponseCharacteristicsofInsulatingMaterialsContainedinElectricalorOpticalFiberCables
【原文标准名称】:使用锥形量热计测定电缆或光缆用绝缘材料的火灾试验反应特性的标准试验方法
【标准号】:ASTMD6113-2010
【标准状态】:现行
【国别】:美国
【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】:D09.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:cable;conecalorimeter;electricalcable;electricalinsulation;fire;fire-testresponse;heatrelease;heatreleaserate;opticalfibercable;oxygenconsumptioncalorimetry;smokeobscuration;Conecalorimeter;Electricalfibercable;Electricalinsul
【摘要】:Thistestmethodisusedtodeterminetheheatreleaserateandanumberofotherfire-test-responsecharacteristicsasaresultofexposinginsulatingmaterialscontainedinelectricaloropticalcablestoaprescribedheatingfluxintheconecalorimeterapparatus.Quantitativeheatreleasemeasurementsprovideinformationthatispotentiallyusefulfordesignofelectricaloropticalcables,andproductdevelopment.Heatreleasemeasurementsprovideusefulinformationforproductdevelopmentbygivingaquantitativemeasureofspecificchangesinfireperformancecausedbycomponentandcompositemodifications.Heatreleasedatafromthistestmethodwillnotbepredictiveofproductbehavioriftheproductwillnotspreadflameoveritssurfaceunderthefireexposureconditionsofinterest.Thefire-test-responsecharacteristicsdeterminedbythistestmethodareaffectedbythethicknessofthematerialusedastestspecimen,whetherasaplaqueorascoatingonawireorcable.Thediameterofthewireorcableusedwillalsoaffectthetestresults.Aradiantexposureisusedasanenergysourceforthistestmethod.Thistypeofsourcehasbeenusedforcomparisonwithheatreleaserateandflamespreadstudiesofinsulatingmaterialsconstructedintocableswhenburninginaverticalcabletrayconfiguration(TestMethodsD5424andD5537)(2-9).Nodefinitiverelationshipshavebeenestablished.Thevalueofheatreleaseratecorrespondingtothecriticallimitbetweenpropagatingcablefiresandnon-propagatingfiresisnotknown.Thistestmethoddoesnotdeterminethenetheatofcombustion.Ithasnotbeendemonstratedthatthistestmethodiscapableofpredictingtheresponseofelectricaloropticalfibercablesinafullscalefire.Inparticular,thistestmethoddoesnotaddresstheself-extinguishingcharacteristicsofthecablesinafullscalefire.1.1Thisisafire-test-responsestandard.1.2Severalfire-test-responsecharacteristics,includingthetimetosustainedflaming,heatreleaserate,totalheatreleased,effectiveheatofcombustion,andspecificextinctionarea;aremeasuredorcalculatedbythistestmethodataconstantradiantheatingflux.Forspecificlimitationsseealso5.7andSection6.1.3Thetestsareconductedbyburningtheelectricalinsulatingmaterialscontainedinelectricaloropticalfibercableswhenthecabletestspecimens,excludingaccessories,aresubjectedtoradiantheat.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityorregulatorylimitationspriortouse.Forspecificprecautionarystatements,seeSection7.1.6Thisstandardmeasuresanddescribestheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfirehazardorfireriskassessmentofthematerials,productsorassembliesunderactualfireconditions.1.7Firetestingisinherentlyhazardous.Adequatesafeguardsforpersonnelandpropertyshallbeemployedinconductingthesetests.
【中国标准分类号】:K15
【国际标准分类号】:33_180_10
【页数】:19P.;A4
【正文语种】:英语