DIN 57250-106-1982 电力设备用电缆、导线和软线.内部线路用ETFE单芯护套电缆(VDE规范)

上一篇: DIN 57279-1982 矿井下电缆配件.Vo/V=0.6/1KV套管(VDE规范)
下一篇: DIN 57250-212-1982 电力设备用电缆、导线和软线.Uo/U=3.6kV/6kV的PVC屏蔽导线(VDE规范)

【英文标准名称】:Methodsoftestforsoilsforcivilengineeringpurposes-Compaction-relatedtests
【原文标准名称】:土木工程用土壤的试验方法.相关的压实试验
【标准号】:BS1377-4-1990
【标准状态】:现行
【国别】:英国
【发布日期】:1990-08-31
【实施或试行日期】:1990-08-31
【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】:实验室试验;试验设备;沙土;破碎试验;土壤试验设备;渗透性试验;水含量的测定;土壤坚实性试验;白垩土;地基承载能力;压实试验;浸泡试验;土壤试验;试样制备;砾石;压缩试验;潮气测量;试验条件;密度测量;冲击试验
【英文主题词】:
【摘要】:ThisPartofBS1377describesmethodsoftestfordeterminingcharacteristicsrelatedtothecompactionofsoils,whichcanbeusedasabasisforspecifyingrequirementsforsoilscompactedinthefield.ThisPartalsoincludesamethodforassessinganempiricalstrengthcriterion(theCBRvalue)ofacompactedorundisturbedsoilusedasasub-gradematerialforpavementconstruction.ReferenceismadetosomeoftheclassificationtestsdescribedinBS1377:Part2.ReferenceismadetoBS1377:Part1forgeneralrequirementsthatarerelevanttoallPartsofthisstandard,andformethodsofpreliminarypreparationofsoilfortesting.NOTE.Thetitlesofthepublicationsreferredtointhisstandardarelistedontheinsidebackcover.
【中国标准分类号】:P13
【国际标准分类号】:93_020
【页数】:70P;A4
【正文语种】:英语


【英文标准名称】:Non-destructivetestingofwelds-Ultrasonictestingofweldedjoints
【原文标准名称】:焊接的无损检验.焊接接头的超声波检验
【标准号】:ISO17640-2005
【标准状态】:作废
【国别】:国际
【发布日期】:2005-07
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC44
【标准类型】:()
【标准水平】:()
【中文主题词】:焊接接头;熔焊;表面;金属;焊缝;超声检验;超声波学;试验类别;缺陷与故障;调节;分类;材料试验;焊接工程;方法;试验报告;试验;材料;尺寸;定义;无损检验;焊接;描述;金属材料;手工的
【英文主题词】:Adjustment;Classification;Defects;Definitions;Descriptions;Dimensions;Fusionwelding;Manual;Materials;Materialstesting;Metallicmaterials;Metals;Methods;Non-destructivetesting;Surfaces;Testcategories;Testreports;Testing;Ultrasonictesting;Ultrasonics;Weldedjoints;Welding;Weldingengineering;Welds
【摘要】:ThisInternationalStandardspecifiesmethodsformanualultrasonictestingoffusion-weldedjointsinmetallicmaterials,greaterthanorequalto8mmthick,whichexhibitlowultrasonicattenuation(especiallythatduetoscatter).ThisInternationalStandardisprimarilyintendedforfullpenetrationweldedjointswhereboththeweldedandparentmaterialsareferritic.ThisInternationalStandardspecifiesfourtestinglevels(A,B,CandD)(seeClause11),eachcorrespondingtoadifferentprobabilityofdetectionofimperfections.RulesfortheselectionoftestinglevelsA,BandCaregiveninAnnexA.ThisInternationalStandardmaybeusedforassessmentofindications,foracceptancepurposes,byeitherofthefollowingmethods:a)evaluationbasedprimarilyonlengthandechoamplitudeofthesignalindication;b)evaluationbasedoncharacterizationandsizingoftheindicationbyprobemovementmethods.ThetechniquesdescribedinthisInternationalStandardmaybespecified,forexampleinanapplicationstandard,forusewith:—materialsotherthanthosestated,—partial-penetrationwelds,—automatedequipment.Ineachcase,thetechniqueshouldbeverifiedashavingadequatesensitivity.NOTEWherematerial-dependentultrasonicvaluesarespecifiedinthisInternationalStandard,theyarebasedonsteelshavinganultrasonicsoundvelocityof(5920±50)m/sforlongitudinalwaves,and(3255±30)m/sfortransversewaves.Thisistobetakenintoaccountwhentestingmaterialswithadifferentvelocity.
【中国标准分类号】:J33
【国际标准分类号】:25_160_40
【页数】:26P.;A4
【正文语种】:英语