【英文标准名称】:Resilientfloorcoverings-Determinationofdimensionalstabilityandcurlingafterexposuretoheat;GermanversionEN434:1994
【原文标准名称】:弹性覆地材料.热暴露尺寸稳定性和卷曲测定
【标准号】:DINEN434-1994
【标准状态】:作废
【国别】:德国
【发布日期】:1994-11
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:尺寸变化;热阻;热负载;弹性织物;卷曲;热作用;铺地织物;地板覆盖物;试验
【英文主题词】:Curling;Dimensionalchanges;Elasticfabrics;Exposuretoheat;Floorcoverings;Heatload;Testing;Textilefloorcoverings;Thermalresistance
【摘要】:Thisdocumentspecifiesamethodfordeterminingthedimensionalstabilityandcurlingofaresilientfloorcoveringonexposuretoheat.
【中国标准分类号】:Q17
【国际标准分类号】:97_150
【页数】:5P.;A4
【正文语种】:德语


【英文标准名称】:Geotechnicalinvestigationandtesting-Laboratorytestingofsoil-Part4:Determinationofparticlesizedistribution
【原文标准名称】:土工勘查和检验.土壤的实验室检验.第4部分:粒径分布的测定
【标准号】:ISO/TS17892-4-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-10
【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/TC182
【标准类型】:()
【标准水平】:()
【中文主题词】:试验报告;含量测定;土壤;土壤普查;土壤试验;土壤采样;实验室试验;试验;含量;水;评定;土工学;建筑;粒度;定义;粒度分布;土方工程
【英文主题词】:Construction;Content;Definitions;Determinationofcontent;Earthworks;Evaluations;Geotechnics;Grainsize;Investigations;Laboratorytesting;Laboratorytests;Particlesizedistribution;Soilsampling;Soilsurveys;Soiltesting;Soils;Testing;Water
【摘要】:Thisdocumentdescribesmethodsforthedeterminationoftheparticlesizedistributionofsoilsamples.Theparticlesizedistributionisoneofthemostimportantphysicalcharacteristicsofsoil.Classificationofsoilsismainlybasedontheparticlesizedistribution.Manygeotechnicalandgeohydrologicalpropertiesofsoilarerelatedtotheparticlesizedistribution.Theparticlesizedistributionprovidesadescriptionofsoil,basedonasubdivisionindiscreteclassesofparticlesizes.Thesizeofeachclasscanbedeterminedbysievingand/orsedimentation.Forsoilswithlessthan10%fines,thesievingmethodisapplicable.Soilswithmorethan10%finescanbeanalysedbyacombinationofsievingandsedimentation.Sievingistheprocesswherebythesoilisseparatedinparticlesizeclassesbytheuseoftestsieves.Sedimentationistheprocessofthesettingofsoilparticlesinaliquid.Thedifferenceinsettlingrateenablestheparticlesizeclassestobeseparated.Twosedimentationmethodsaredescribed;thehydrometermethodandthepipettemethod.Themethodsdescribedareapplicabletoallnon-cementedsoilswithparticlesizeslessthan125mm.Dependingonthepurposeforthedeterminationoftheparticlesizedistribution,pretreatmentorcorrectionforcalciumcarbonate,dissolvedsaltsand/ororganicmattercanberequired.Theuseofthesemethodsshouldbestatedinthelaboratoryreport.Modernmethodsthatincorporatedetectionsystemsusingx-rays,laserbeams,densitymeasurementsandparticlecountersarenotcoveredbythisdocument.
【中国标准分类号】:P13
【国际标准分类号】:13_080_20;93_020
【页数】:26P.;A4
【正文语种】:英语