ANSI/ASTM F1797-1998 隔音挖掘起重机声发射试验方法
时间:2024-05-12 04:25:29 来源: 标准资料网 作者：标准资料网 阅读：9206
【英文标准名称】:TestMethodforAcousticEmissionTestingofInsulatedDiggerDerricks
【原文标准名称】:隔音挖掘起重机声发射试验方法
【标准号】:ANSI/ASTMF1797-1998
【标准状态】:作废
【国别】:美国
【发布日期】:1998
【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】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:隔音材料;声学测量;试验方法
【英文主题词】:Acousticinsulatingmaterials;Acousticmeasurement;Acoustics;Derricks;Shipbuilding;Testmethods
【摘要】:Thistestmethodcoversaprocedureforacousticemission(AE)testingofinsulateddiggerderricks.EquipmentCovered-Thistestmethodappliestospecialmultipurposevehicle-mountedmachines,commonlyknownasdiggerderricks.Thesemachinesareprimarilydesignedtodigholes,setpoles,andpositionmaterialsandapparatus.Insulatedtypediggerderricksmaybeevaluatedwiththistestmethod.Diggerderricks,ifsoequippedtopositionpersonnelorequipment,orboth,mayalsobeevaluatedwiththistestmethodinconjunctionwithTestMethodF914.EquipmentNotCovered-Excludedfromthistestmethodaregeneral-purposecranesdesignedonlyforliftingserviceandmachinesprimarilydesignedonlyfordiggingholes.TheAEtestmethodisusedtodetectandarea-locateemissionsources.Verificationofemissionsourcesmayrequiretheuseofothernondestructivetest(NDT)methods,suchasradiography,ultrasonic,magneticparticle,liquidpenetrant,andvisualinspection.Precaution-Thistestmethodrequiresthatexternalloadsbeappliedtothesuperstructureofthevehicleundertest.Duringthetest,cautionmustbetakentosafeguardpersonnelandequipmentagainstunexpectedfailureorinstabilityofthevehicleorcomponents.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_20;47_020_40
【页数】:
【正文语种】:英语
【英文标准名称】:Methodsofmeasurementfordigitalmicrowavetransmissionsystems-Part3:Measurementsonsatelliteearthstations;section7:Figure-of-meritofreceivingsystem(IEC60835-3-7:1995);GermanversionEN60835-3-7:1995
【原文标准名称】:数字微波无线电传输系统设备测量方法.第3部分:卫星地面站测量.第7节:接收系统的质量指标
【标准号】:EN60835-3-7-1995
【标准状态】:现行
【国别】:
【发布日期】:1996-02
【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】:天线;信号;数字信号;电气工程;微波链路;接收;接收机;电信;接收天线;地面站;无线电接收机;测量;无线电电路;测量技术;无线电设备;卫星通信;卫星通信链路;质量;工作性能;定义;无线电工程
【英文主题词】:Antennae;Antennas;Definition;Definitions;Digitalsignals;Earthstations;Electricalengineering;Measurement;Measuringtechniques;Microwavelinks;Performanceinservice;Quality;Qualityfeatures;Radiocircuits;Radioengineering;Radioequipment;Radioreceivers;Radio-relaysystems;Receiver;Reception;Receptionantennae;Satellitecommunications;Satellitelinks;Signals;Telecommunication;Transmissionperformance
【摘要】:
【中国标准分类号】:M34;M35
【国际标准分类号】:33_060_30
【页数】:15P.;A4
【正文语种】:英语
【英文标准名称】:Geosynthetics-Screeningtestmethodfordeterminingchemicalresistanceforlandfillapplications
【原文标准名称】:土工合成织物.测定废料坑耐化学性的筛选试验方法
【标准号】:BSEN14414-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-05-26
【实施或试行日期】:2004-05-26
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisEuropeanStandarddescribesatestmethodtodeterminethechemicalresistanceofgeosyntheticstoliquidmunicipal,agriculturalandindustrialwastes,usingalaboratoryimmersionprocedure.Theprocedureincludesthreechemicalcompoundschosentoinitiateknowntypesofchemicaldegradation,andasyntheticleachaterepresentativeofalandfillcontainingdomesticwaste.Theprocedurecanalsobeappliedusingasite-specificleachate.TheseoptionsaredenotedbymethodsAtoE:—methodA:hydrolysisunderacidicconditions;—methodB:hydrolysisunderbasicconditions;—methodC:solvation/swelling;—methodD:syntheticleachate;—methodE:anysite-specificleachate;Themethodofevaluation(seeclause9)differsaccordingtowhetherthematerialisageotextile,apolymericorbituminousgeosyntheticbarrier,orageosyntheticclaybarrier.Inthecaseofgeosyntheticclaybarriersonlythepolymericcomponentwillbetested.
【中国标准分类号】:W59
【国际标准分类号】:59_080_70
【页数】:14P;A4
【正文语种】:英语