NF E90-454-2009 机械振动和冲击.机械的隔振.振动源隔振应用信息
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来源:标准资料网
【英文标准名称】:Mechanicalvibrationandshock-Vibrationisolationofmachines-Informationfortheapplicationofsourceisolation.
【原文标准名称】:机械振动和冲击.机械的隔振.振动源隔振应用信息
【标准号】:NFE90-454-2009
【标准状态】:现行
【国别】:法国
【发布日期】:2009-01-01
【实施或试行日期】:2009-01-31
【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】:应用;发射;人类工效学;指导手册;绝缘件;机械振动;机械;测量;职业安全;建筑物的防护;人体保护;安全;机械安全;振动源隔振;振动;振动衰减;防振;振动注入;工作场所安全
【英文主题词】:Applications;Emission;Ergonomics;Guidebooks;Insulations;Machinevibration;Machines;Measurement;Occupationalsafety;Protectionofbuildings;Protectionofpersons;Safety;Safetyofmachinery;Sourceisolation;Vibration;Vibrationdamping;Vibrationinsulation;Vibrationalimmission;Workplacesafety
【摘要】:
【中国标准分类号】:Z32
【国际标准分类号】:17_160
【页数】:20P;A4
【正文语种】:其他
【英文标准名称】:Environmentalmanagement-Lifecycleassessment-Requirementsandguidelines(ISO14044:2006);GermanandEnglishversionENISO14044:2006
【原文标准名称】:环境管理.产品寿命周期评价.要求和导则(ISO14044:2006)
【标准号】:ENISO14044-2006
【标准状态】:现行
【国别】:
【发布日期】:2006-10
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;环境;环境因素;环境管理系统;环境管理;估计;评定;检查顺序;财务报表;说明书;解释;调查条件;调查;生物圈评价;生命圈;多语种的;组织;污染控制;划痕试验程序;规范(验收);试验报告;试验结果
【英文主题词】:Assessment;Definition;Definitions;Environment;Environmentalaspects;Environmentalmanagementsystems;Environmentalmanagements;Estimation;Evaluations;Examinationorders;Financialstatements;Instructions;Interpretations;Investigationcondition;Investigations;Lifecycleassessment;Lifecycles;Multilingual;Organization;Pollutioncontrol;Scoringprocedures(tests);Specification(approval);Testreport;Testresults
【摘要】:
【中国标准分类号】:Z01
【国际标准分类号】:13_020_10
【页数】:84P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforHigh-StrainDynamicTestingofPiles
【原文标准名称】:基桩高应变动力检测的标准试验方法
【标准号】:ASTMD4945-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D18.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:augeredpiles;deepfoundations;drilledshafts;drivenpiles;drivingstresses;dynamictesting;pilebearingcapacity;piledrivinghammerperformance;pileintegrity;Accelerometers;Bearingcapacity;Displacement;Force;Impacttesting--soil/rock/rel
【摘要】:Basedonthemeasurementsfromstrainorforce,andacceleration,velocity,ordisplacementtransducers,thistestmethodobtainstheforceandvelocityinducedinapileduringanaxialimpactevent(seeFigs.1and2).TheEngineermayanalyzetheacquireddatausingengineeringprinciplesandjudgmenttoevaluatetheintegrityofthepile,theperformanceoftheimpactsystem,andthemaximumcompressiveandtensilestressesoccurringinthepile.Ifsufficientaxialmovementoccursduringtheimpactevent,andafterassessingtheresultingdynamicsoilresponsealongthesideandbottomofthepile,theEngineermayanalyzetheresultsofahigh-straindynamictesttoestimatetheultimateaxialstaticcompressioncapacity(seeNote1).Factorsthatmayaffecttheaxialstaticcapacityestimatedfromdynamictestsinclude,butarenotlimitedtothe:(1)pileinstallationequipmentandprocedures,(2)elapsedtimesinceinitialinstallation,(3)pilematerialpropertiesanddimensions,(4)type,density,strength,stratification,andsaturationofthesoil,orrock,orbothadjacenttoandbeneaththepile,(5)qualityortypeofdynamictestdata,(6)foundationsettlement,(7)analysismethod,and(8)engineeringjudgmentandexperience.IftheEngineerdoesnothaveadequatepreviousexperiencewiththesefactors,andwiththeanalysisofdynamictestdata,thenastaticloadtestcarriedoutaccordingtoTestMethodD1143shouldbeusedtoverifyestimatesofstaticcapacityanditsdistributionalongthepilelength.TestMethodD1143providesadirectandmorereliablemeasurementofstaticcapacity.Note18212;Theanalysisofadynamictestwillunderpredicttheultimateaxialstaticcompressioncapacityifthepilemovementduringtheimpacteventistoosmall.TheEngineershoulddeterminehowthesizeandshapeofthepile,andthepropertiesofthesoilorrockbeneathandadjacenttothepile,affecttheamountofmovementrequiredtofullymobilizethestaticcapacity.Apermanentnetpenetrationofaslittleas2mmperimpactmayindicatethatsufficientmovementhasoccurredduringtheimpacteventtofullymobilizethecapacity.However,highdisplacementdrivenpilesmayrequiregreatermovementtoavoidunderpredictingthestaticcapacity,andcast-in-placepilesoftenrequirealargercumulativepermanentnetpenetrationforaseriesoftestblowstofullymobilizethecapacity.Staticcapacitymayalsodecreaseorincreaseovertimeafterthepileinstallation,andbothstaticanddynamictestsrepresentthecapacityatthetimeoftherespectivetest.Correlationsbetweenmeasuredultimateaxialstaticcompressioncapacityanddynamictestestimatesgenerallyimprovewhenusingdynamicrestriketeststhataccountforsoilstrengthchangeswithtime(see6.8).Note28212;Althoughinterpretationofthedynamictestanalysismayprovideanestimateofthepile''stension(uplift)capacity,usersofthisstandardarecautionedtointerpretconservativelythesideresistanceestimatedfromanalysisofasingledynamicmeasurementlocation,andtoavoidtensioncapacityestimatesaltogetherforpileswithlessthan10membeddedlength.(Additionaltransducersembeddednearthepiletoemayalsohelpimprovetensioncapacityestimates.)IftheEngineerdoesnothaveadequatepreviousexperienceforthespecificsiteandpiletypewiththeanalysisofdynamictestdatafortensioncapacity,thenastaticloadtestcarriedoutaccordingtoTestMethodD3689shouldbeusedtoverifytensioncapac........
【中国标准分类号】:P20
【国际标准分类号】:93_020
【页数】:10P.;A4
【正文语种】:英语
