DIN ETS 300771-4-1999 宽带综合服务数字网.数字用户用2号信令系统协议.B-ISDN用户网接口点对多点呼叫/载体控制第三层规范.第4分部分:用户用抽象试验组(ATS)及检测用户形式规范用部分协议实现附加协议规范
时间:2024-05-20 19:39:32 来源: 标准资料网 作者：标准资料网 阅读：9184
【英文标准名称】:BroadbandIntegratedServicesDigitalNetwork(B-ISDN)-DigitalSubscriberSignallingSystemNo.two(DSS2)protocol;B-ISDNuser-networkinterfacelayer3specificationforpoint-to-multipointcall/bearercontrol-Part4:AbstractTestSuite(ATS)and
【原文标准名称】:宽带综合服务数字网.数字用户用2号信令系统协议.B-ISDN用户网接口点对多点呼叫/载体控制第三层规范.第4分部分:用户用抽象试验组(ATS)及检测用户形式规范用部分协议实现附加协议规范
【标准号】:DINETS300771-4-1999
【标准状态】:现行
【国别】:德国
【发布日期】:1999-11
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:宽带综合服务数字网络;宽带网络;物理层;电信;电信;综合服务数字网络;协议;接口;传输协议;附带试验信息的协议执行;信号传输;宽频带通信;协议规范;附加服务;网络接口
【英文主题词】:
【摘要】:Thedocumentspecifiesrequirementsinthetelecommunicationssector.
【中国标准分类号】:M11
【国际标准分类号】:33_080
【页数】:1P;A4
【正文语种】:德语
MIL-G-6019C (NOTICE 1), MILITARY SPECIFICATION: GAGES, PRESSURE, DIAL INDICATING, LOW-PRESSURE OXYGEN (09 MAR 1999) [S/S BY MIL-DTL-6019D]., This notice should be filed in front of MIL-G-6019C, dated 1 February 1969.MIL-G-6019C is inactive for new design and is no longer used, except for replacementpurposes.When acquisition of the product is no longer required, the specification will be canceled.【英文标准名称】:StandardTestMethodforConcretePipeSewerlinesbyNegativeAirPressure(Vacuum)TestMethod(Metric)
【原文标准名称】:负压(真空)试验法测定混凝土管下水道的标准试验方法(米制)
【标准号】:ASTMC1214M-2002(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【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】:C13.09
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Pressuretesting--concretepipe;Sewerlines;Silica;Concretepipe;Density--concrete;Negativeairpressure(vacuum)method;Portlandcement
【摘要】:Thisisnotaroutinetest.Thevaluesrecordedareapplicableonlytothesewerbeingtestedandatthetimeoftesting.1.1Thistestmethodcoversproceduresfortestingconcretepipesewerlines,whenusingthenegativeairpressure(vacuum)testmethodtodemonstratetheintegrityoftheinstalledmaterialandtheconstructionprocedures.Thistestmethodcoverstestingof100to900-mmdiametercircularconcretepipesewerlinesutilizinggasketedjoints.Note18212;Theuserofthisspecificationisadvisedthatmethodsdescribedinthistestmethodmayalsobeusedasapreliminarytesttoenablethemanufacturerorinstallertodemonstratetheconditionofsewerpipepriortodeliveryorbackfill.MinimumtesttimespresentedinTable1areforpipelines.Holdingtimesfortestinganindividualpipemayhavetobeincreasedtoallowfortheaccumulationofleakagewhenthetestedpipeareincorporatedintoacontinuouspipeline.Note28212;Theuserofthistestmethodisadvisedthatthenegativeairpressure(vacuum)testcriteriapresentedinthistestmethodaresimilartothoseingeneraluse.Thetestandcriteriahavebeenusedwidelyandsuccessfullyintestingsmallerdiameterpipe.Largerpipewillbeacceptedmoreconvenientlybyvisualinspectionandindividualjointtesting.Note38212;Theuserofthistestmethodisadvisedthatnocorrelationhasbeenfoundbetweenlossofvacuumandwaterleakage.1.2ThistestmethodistheSIcompaniontoTestMethodC1214.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeSection6forspecificsafetyprecautions.TABLE1MinimumTestTimeNominalPipeSize,mmT(Time),min/100mNominalPipeSize,mmT(Time),min/100m100
0.9
525
9.7
150
2.0
600
11.0
200
3.5
675
13.0
250
4.7
750
15.0
300
6.0
825
17.0
375
6.8
900
19.0
450
7.7