ASTM D5820-1995(2006) 双缝土工薄膜加压气道评定的标准实施规程

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【英文标准名称】:StandardPracticeforPressurizedAirChannelEvaluationofDualSeamedGeomembranes
【原文标准名称】:双缝土工薄膜加压气道评定的标准实施规程
【标准号】:ASTMD5820-1995(2006)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:D35.10
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:气道评定;无损鉴定;实施规程;双缝土工薄膜;平行土工薄膜;加压气道评定;未焊接气道;有关材料;土工薄膜;土壤;岩石
【英文主题词】:
【摘要】:Theincreaseduseofgeomembranesasbarriermaterialstorestrictliquidorgasmovement,andthecommonuseofdualtrackseamsinjoiningthesesheets,hascreatedaneedforastandardnondestructivetestbywhichthequalityoftheseamscanbeassessedforcontinuityandwatertightness.Thetestisnotintendedtoprovideanyindicationofthephysicalstrengthoftheseam.Thispracticerecommendsanairpressuretestwithinthechannelcreatedbetweendualseamedtrackswherebythepresenceofunbondedsectionsorchannels,voids,nonhomogenities,discontinuities,foreignobjects,andthelike,intheseamedregioncanbeidentified.Thistechniqueisintendedforuseonseamsbetweengeomembranesheetsformulatedfromtheappropriatepolymersandcompoundingingredientstoformaplasticorelastomersheetmaterialthatmeetsallspecifiedrequirementsfortheenduseoftheproduct.1.1Thepracticecoversanondestructiveevaluationofthecontinuityofparallelgeomembraneseamsseparatedbyanunweldedairchannel.Theunweldedairchannelbetweenthetwodistinctseamedregionsissealedregionsissealedandinflatedwithairtoapredeterminedpressure.Longlengthsofseamcanbeevaluatedbythispracticemorequicklythanbyothercommonnondestructivetests.1.2Thispracticeshouldnotbeusedasasubstitutefordestructivetesting.Usedinconjunctionwithdestructivetesting,thismethodcanprovideadditionalinformationregardingtheseamsundergoingtesting.1.3ThispracticesupercedesPracticeD4437forgeomembraneseamsthatincludeanairchannel.PracticeD4437maycontinuetobeusedforothertypesofseams.Theuserisreferredtothereferencedstandards,ortoEPA/530/SW-91/051foradditionalinformationregardinggeomembraneseamingtechniquesandconstructionqualityassurance.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P13
【国际标准分类号】:59_080_70
【页数】:3P.;A4
【正文语种】:


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【英文标准名称】:TestMethodforDeterminingFloorFlatnessandLevelnessUsingtheF-NumberSystem(Metric)
【原文标准名称】:使用F-数字制测定楼板平正度和水平度的试验方法(米制)
【标准号】:ASTME1155M-1987
【标准状态】:作废
【国别】:美国
【发布日期】:1987
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:平整度;建设工程;楼板;建筑;试验;米制的;F-数字
【英文主题词】:testing;flatness(surface);constructionworks;construction;f-number;metric;floors
【摘要】:
【中国标准分类号】:P30
【国际标准分类号】:91_060_30
【页数】:6P;A4
【正文语种】:英语


【英文标准名称】:Radioequipmentandsystems(RES)-TerrestrialTrunkedRadio(TETRA)-VoiceplusData(V+D)-Part12:supplementaryservicesstage3-Sub-part16:pre-emptivePriorityCall(PPC)(V1.2.1).
【原文标准名称】:无线电设备和系统(RES).地面中继无线电(TETRA).声音加数据(V+D).第12部分:补充业务阶段3.第16分部分:抢先优先权呼叫(PPC)
【标准号】:NFZ84-392-12-16-2004
【标准状态】:现行
【国别】:法国
【发布日期】:2004-12-01
【实施或试行日期】:2004-12-31
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Calls;Communicationtechnology;Data;Datatransfer;ETSI;Informationprocessing;Priority;Radio;Radioengineering;Radioequipment;Radionetworks;Servicedefinition;Speechtransmission;Supplementaryservices;Telecommunication;Telecommunicationnetworks;Telecommunicationsystems;Telecommunications;Telephonenetworks;Terrestrial;TETRA;Transeuropeantrunkedradio;Wirelesscommunicationservices
【摘要】:
【中国标准分类号】:M36
【国际标准分类号】:33_030;33_070_10
【页数】:69P.;A4
【正文语种】:其他