Product Code:SAE J714
Title:Wheel Mounting Elements for Industrial and Agricultural Disc Wheels
Issuing Committee:Mtc8, Tire And Rim
Scope:This SAE Recommended Practice includes wheel mounting elements subject to standardization in a series of industrial and agricultural disc wheels. The disc may be reversible or nonreversible and concave or convex (See Figure 1 and Table 1).【英文标准名称】:StandardGuideforSelectingEconomicMethodsforEvaluatingInvestmentsinBuildingsandBuildingSystems
【原文标准名称】:建筑物和建筑系统中投资评价的经济方法选择用的标准指南
【标准号】:ASTME1185-2007e1
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【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】:E06.81
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:adjustedinternalrateofreturn;benefit-costanalysis;buildingeconomicmethods;budgetlimitation;costeffectiveness;designdecision;economicanalysis;life-cyclecosting;netsavings;payback;projectevaluation;ranking;savings-to-investmentrat
【摘要】:StandardpracticesformeasuringtheeconomicperformanceofinvestmentsinbuildingsandbuildingsystemshavebeenpublishedbyASTM.Acomputerprogramthatproduceseconomicmeasuresconsistentwiththesepracticesisavailable.DiscountFactorTableshasbeenpublishedbyASTMtofacilitatecomputingmeasuresofperformanceformostofthepractices.Thisguidecanbeusedto:(1)identifytypesofbuildingdesignandsystemdecisionsthatrequireeconomicanalysis;(2)matchthetechnicallyappropriateeconomicmethodswiththedecisions;and(3)locatethemethodsintheASTMpracticesandadjunctslistedinSection2.Morethanonemethodcanbetechnicallyappropriateformanybuildingdecisions.Thereforethechoiceinpracticeofwhichtechnicallyappropriateeconomicmethodtouseforevaluatingaparticularbuildingdecisionwilloftendependontheperspectiveoftheuser.Someexamplesoffactorsthatinfluencetheuserare:(1)easeofapplyingthemethods,(2)leveloffamiliarityoftheuserwiththemethods,(3)preferenceoftheuserfordifferentmethods,and(4)presenceofbudgetlimitationsfortheprojects.Thisguideidentifiessomefeaturesandlimitationsofthemethodsthatmightinfluenceusers''choicesundervaryingconditions.1.1ThisguideidentifiestypesofbuildingdesignandbuildingsystemdecisionsthatrequireeconomicanalysisandrecommendsASTMpractices,adjuncts,andcomputerprogramsthatmaybeusedtoimplementtheappropriateeconomicmethodsforeachdecisiontype.
【中国标准分类号】:P02
【国际标准分类号】:91_010_20
【页数】:5P.;A4
【正文语种】:英语