【英文标准名称】:StandardTestMethodforFlexuralStrengthofSoil-CementUsingSimpleBeamwithThird-PointLoading
【原文标准名称】:用简支梁三点负荷法测定掺土水泥抗挠强度的标准试验方法
【标准号】:ASTMD1635-2000(2006)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:D18.15
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:施工材料;试验
【英文主题词】:flexuralstrength;soil-cement;soilstabilization
【摘要】:Thistestmethodisusedtodeterminetheflexuralstrengthofsoil-cement.Flexuralstrengthissignificantinpavementdesignandisusedtodetermineslabthickness.Note28212;Thequalityoftheresultproducedbythisstandardisdependentonthecompetenceofthepersonnelperformingit,andthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting/sampling/inspection/etc.UsersofthisstandardarecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliableresults.Reliableresultsdependonmanyfactors;PracticeD3740providesameansofevaluatingsomeofthosefactors.1.1Thistestmethodcoversthedeterminationoftheflexuralstrengthofsoil-cementbytheuseofasimplebeamwiththird-pointloading.Note18212;Formethodsofmoldingsoil-cementspecimens,seePracticeD1632.1.2Units8212;ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesaremathematicalconversionstoinch-poundunits,whichareprovidedforinformationonlyandarenotconsideredstandard.1.2.1Theconvertedinch-poundunitsusethegravitationalsystemofunits.Inthissystem,thepound(lbf)representsaunitofforce(weight),whiletheunitformassisslugs.Theconvertedslugunitisnotgiven,unlessdynamic(F=ma)calculationsareinvolved.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q11
【国际标准分类号】:93_020
【页数】:3P.;A4
【正文语种】:


【英文标准名称】:GuidetothePreparationofOperationalConceptDocuments
【原文标准名称】:操作概念文档的准备指南
【标准号】:ANSI/AIAAG-043A-2012
【标准状态】:现行
【国别】:美国
【发布日期】:2012
【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】:航空航天运输;文献工作;信息处理;采购;软件文献工作;航天运输
【英文主题词】:Aerospacetransport;Documentation;Informationprocessing;Procurements;Softwaredocumentation;Spacetransport
【摘要】:Thisguideoutlinestheoperationalconceptdefinitionprocessandhowitmaybeapplied.ThemainemphasisofthisdocumentistoprovidepracticalrecommendationsonhowtoperformanoperationalconceptdefinitionactivitywiththefocusontheOCDbecausethatisthephysicalproductinwhichtheresultsoftheworkarecaptured.Thisguideisapplicablefortheprocurementofsystems,includinggroundsystems,andassociatedequipment/subsystems.
【中国标准分类号】:L70
【国际标准分类号】:35_080
【页数】:
【正文语种】:英语