【英文标准名称】:StandardTestMethodforResistancetoShort-TimeHydraulicPressureofPlasticPipe,Tubing,andFittings
【原文标准名称】:塑料管道和配件耐短时液压力的标准试验方法
【标准号】:ASTMD1599-1999(2005)
【标准状态】:现行
【国别】:
【发布日期】:1999
【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】:试验;压力;管道;塑料制品;配件;压力测量(流体);塑料管;管;液压力;建筑
【英文主题词】:burstpressure;plasticfittings;plasticpipe;plastictubing;short-termhydrostaticpressure
【摘要】:Thistestmethodestablishestheshort-timehydraulicfailurepressureofthermoplasticorreinforcedthermosettingresinpipe,tubing,orfittings.Dataobtainedbythistestmethodareofuseonlyinpredictingthebehaviorofpipe,tubing,andfittingsunderconditionsoftemperature,time,methodofloading,andhoopstresssimilartothoseusedintheactualtest.Theyaregenerallynotindicativeofthelong-termstrengthofthermoplasticorreinforcedthermosettingresinpipe,tubing,andfittings.Procurementspecificationsutilizingthistestmethodmaystipulateaminimumandmaximumtimeforfailureotherthanthe60to70slistedin9.1.3.Eithertheinternalhydraulicpressureorthehoopstressmaybelistedintherequirements.Note18212;Manythermoplasticsgivesignificantlydifferentburststrengthsdependingonthetimetofailure.Forinstance,significantdifferenceshavebeenobservedbetweenfailuretimesof65and85s.Thistestmethodisalsousedasashort-termpressurizationvalidationprocedure,wherethespecimensarepressurizedtoapredeterminedminimumpressurerequirement.1.1Thistestmethodcoversthedeterminationoftheresistanceofeitherthermoplasticorreinforcedthermosettingresinpipe,tubing,orfittingstohydraulicpresssureinashorttimeperiod.ProcedureAisusedtodetermineburstpressureofaspecimenifthemodeoffailureistobedetermined.ProcedureBisusedtodeterminethataspecimencomplieswithaminimumburstrequirement.1.2Thistestmethodissuitableforestablishinglaboratorytestingrequirementsforqualitycontrolpurposesorforprocurementspecifications.1.3Thevaluesgiveninparenthesesareprovidedforinformationpurposesonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityofwhoeverusesthisstandardtoconsultandestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G33
【国际标准分类号】:23_040_20;23_040_45
【页数】:3P.;A4
【正文语种】:


【英文标准名称】:Trafficandtravellerinformation(TTI).TTImessagesviadedicatedshort-rangecommunication.Dataspecification.Downlink(roadsidetovehicle)
【原文标准名称】:交通和旅行者信息(TTI).第1部分:借助于专用短途通信的TTI信息.数据规范.下行线路(从路边地带到交通工具)
【标准号】:DDENV12315-1-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-04-15
【实施或试行日期】:1997-04-15
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:无线电通信链路;信息交流;无线电测向;交通管制;文电;开放系统互连;道路运输;无线电导航;远程处理;数据集;文件结构(计算机);数据结构;数据组织;无线电通信;交通业务
【英文主题词】:
【摘要】:ProvidestheframeworktoenabletheprovidersofTTItosupplyinformationtoalargenumberofequippedvehiclesandforin-vehicleequipmenttoreceive,processanddisplaythemessages.
【中国标准分类号】:R07
【国际标准分类号】:35_240_60
【页数】:140P;A4
【正文语种】:英语