Product Code:SAE J1884
Title:Vehicle Jack Requirements and Test Procedure (Cancelled Feb 2005)
Issuing Committee:Towability Committee
Scope: The scope of this SAE Recommended Practice is restricted to the testing of jacks supplied as original equipment on passenger cars, light trucks, and vans. To this end, both component suppliers and vehicle manufacturers are guided in the proper design and testing of jacks. The purpose of this document is to provide a test procedure that can be used to ensure reasonable quality and uniformity for vehicle jacks as supplied as original equipment.
基本信息
| 标准名称： | 核电工程施工质量评定及交工验收管理规定 |
| 发布部门： | 国家能源局 |
| 发布日期： | 2012-01-06 |
| 实施日期： | 2012-04-06 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | 2012-04-06 |
适用范围
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前言
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目录
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引用标准
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所属分类： 工程建设 给水 排水工程 给水 排水工程综合 建筑材料和建筑物 建筑物中的设施 建筑物中的设施综合
【英文标准名称】:StandardTestMethodsforModulusandDampingofSoilsbyResonant-ColumnMethod
【原文标准名称】:用共振柱法测定土壤的模数和阻尼因数的标准试验方法
【标准号】:ASTMD4015-2007
【标准状态】:现行
【国别】:
【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】:D18.09
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:建筑;施工材料;阻尼(波);模数;土壤;测试
【英文主题词】:amplitude;confiningpressure;damping;dynamicloading;elasticwaves;elasticitymodulus;frequency;laboratorytests;nondestructivetests;resonance;sheartests;soils;strain;stress;torsionaloscillations;triaxialstress;vertical
【摘要】:Themodulusanddampingofagivensoil,asmeasuredbytheresonant-columntechniquehereindescribed,dependuponthestrainamplitudeofvibration,theambientstateofeffectivestress,andthevoidratioofthesoil,temperature,time,etc.Sincetheapplicationandcontroloftheambientstressesandthevoidratioarenotprescribedinthesemethods,theapplicabilityoftheresultstofieldconditionswilldependonthedegreetowhichtheapplicationandcontroloftheambientstressesandthevoidratio,aswellasotherparameterssuchassoilstructure,duplicatefieldconditions.Thetechniquesusedtosimulatefieldconditionsdependonmanyfactorsanditisuptotheengineertodecideonwhichtechniquesapplytoagivensituationandsoiltype.1.1Thesetestmethodscoverthedeterminationofshearmodulus,sheardamping,rodmodulus(commonlyreferredtoasYoung''smodulus),androddampingforsolidcylindricalspecimensofsoilintheundisturbedandremoldedconditionsbyvibrationusingtheresonantcolumn.Thevibrationofthespecimenmaybesuperposedonacontrolledambientstateofstressinthespecimen.Thevibrationapparatusandspecimenmaybeenclosedinatriaxialchamberandsubjectedtoanall-aroundpressureandaxialload.Inaddition,thespecimenmaybesubjectedtoothercontrolledconditions(forexample,pore-waterpressure,degreeofsaturation,temperature).Thesetestmethodsofmodulusanddampingdeterminationareconsiderednondestructivewhenthestrainamplitudesofvibrationarelessthan104rad(104in./in.),andmanymeasurementsmaybemadeonthesamespecimenandwithvariousstatesofambientstress.1.2Thesetestmethodscoveronlythedeterminationofthemodulusanddamping,thenecessaryvibration,andspecimenpreparationproceduresrelatedtothevibration,etc.,anddonotcovertheapplication,measurement,orcontroloftheambientstress.Thelatterproceduresmaybecoveredby,butarenotlimitedto,TestMethodsD2166orD2850.1.3AllrecordedandcalculatedvaluesshallconformtotheguideforsignificantdigitsandroundingestablishedinPracticeD6026.1.3.1Theproceduresusedtospecifyhowdataarecollected/recordedandcalculatedinthisstandardareregardedastheindustrystandard.Inaddition,theyarerepresentativeofthesignificantdigitsthatshouldgenerallyberetained.Theproceduresuseddonotconsidermaterialvariation,purposeforobtainingthedata,specialpurposestudies,oranyconsiderationsfortheusersobjectives;anditiscommonpracticetoincreaseorreducesignificantdigitsofreporteddatatobecommensuratewiththeseconsiderations.Itisbeyondthescopeofthisstandardtoconsidersignificantdigitsusedinanalysismethodsforengineeringdesign.1.3.2Measurementsmadetomoresignificantdigitsorbettersensitivitythanspecifiedinthisstandardshallnotberegardedanonconformancewiththisstandard.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.ReportingtestresultsinunitsotherthanSIshallberegardedasconformancewiththesetestmethods.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P13
【国际标准分类号】:93_020
【页数】:22P.;A4
【正文语种】: