ANSI INCITS 19-1974 信息交换用11/16英寸穿孔纸带代替ANSIX3.19-1974
时间:2024-05-21 04:31:22 来源: 标准资料网 作者：标准资料网 阅读：9181
【英文标准名称】:Eleven-SixteenthsInchPerforatedPaperTapeforInformationInterchangeReplacesANSIX3.19-1974
【原文标准名称】:信息交换用11/16英寸穿孔纸带代替ANSIX3.19-1974
【标准号】:ANSIINCITS19-1974
【标准状态】:现行
【国别】:美国
【发布日期】:1974-01-01
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Coversthephysicaldimensionsofthepapertapeanditsperforationsandisforperforatedpapertapewithfullypunchedroundholes.
【中国标准分类号】:L64
【国际标准分类号】:35_220_10
【页数】:
【正文语种】:英语
Product Code:SAE AMS5333
Title:Steel, Investment Castings, 0.50Cr - 0.55Ni - 0.25Mo (0.11 - 0.17C) (SAE 8615), Normalized
Issuing Committee:Ams E Carbon And Low Alloy Steels Committee
Scope: This specification covers a low-alloy steel in the form of investment castings.
Rationale: This specification covers a low-alloy steel in the form of investment castings.【英文标准名称】:StandardTestMethodforTestingRockSlabstoEvaluateSoundnessofRiprapbyUseofSodiumSulfateorMagnesiumSulfate
【原文标准名称】:通过使用硫酸钠和硫酸锰测试岩石厚板以评价乱石安定性的标准试验方法
【标准号】:ASTMD5240-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:D18.17
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;岩石;施工材料;板
【英文主题词】:riprap;rockdefects;rockdurability;rockweathering;soundnessofriprap
【摘要】:Rockriprapiscomposedofpiecesofnaturalrockthatareplacedonconstructionprojectstominimizetheeffectsoferosion.Theabilityofripraptowithstanddeteriorationfromweatheringaffectsboththeeffectivenessoftheprojectanditscost.Thesodiumsulfateormagnesiumsulfatesoundnesstestisonemethodbywhichtoestimatequalitativelythedurabilityofrockunderweatheringconditions.Note18212;Thequalityofresultsproducedbythisstandardisdependentonthecompetenceofthepersonnelperformingitandsuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting.ReliableresultsdependonmanyfactorsandPracticeD3740providesameansofevaluatingsomeofthem.Theresultsofthistestmethodarenottobeusedasthesolebasisfordeterminationofrockdurability,butrathershouldalwaysbeusedinconjunctionwiththeresultsofothertests.Thistestmethodhasbeenusedtoevaluatemanydifferenttypesofrocks.Therehavebeenoccasionswhentestresultshaveprovideddatathathavenotagreedwiththedurabilityofrockunderactualfieldconditions;samplesyieldingalowsoundnesslosshavedisintegratedinactualusage,andthereversehasbeentrue.1.1Thistestmethodcoverstestproceduresforevaluatingthesoundnessofriprapbytheeffectsofasodiumormagnesiumsulfatesolutiononslabsofrock.1.2ThevaluesstatedineitherSIorinch-poundunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:D53
【国际标准分类号】:
【页数】:3P.;A4
【正文语种】: