EN 12716-2001 特殊土工工程施工.喷射灌浆
作者:标准资料网 时间:2024-05-30 08:38:01 浏览:8693
来源:标准资料网
【英文标准名称】:Executionofspecialgeotechnicalworks-Jetgrouting;GermanversionEN12716:2001
【原文标准名称】:特殊土工工程施工.喷射灌浆
【标准号】:EN12716-2001
【标准状态】:现行
【国别】:
【发布日期】:2001-12
【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】:因子分解法;地基勘察钻探;液体喷射;土壤结构;地基土壤改良;喷嘴;喷砂清理技术;特殊土工工作;建筑;定义;设计;试验;监督(认可);注入法;土工学;固结性;喷管压力;现场勘测;心土;高压;土木工程;计划
【英文主题词】:Blastingtechnique;Civilengineering;Consolidations;Construction;Definition;Definitions;Design;Factorization;Foundationsoilimprovements;Foundationtestboring;Geotechnics;Highpressure;Injectionmethods;Liquidjets;Nozzlepressure;Nozzles;Permability;Planning;Siteinvestigations;Soilstructure;Specialgeotechnicalwork;Subsoil;Surveillance(approval);Testing
【摘要】:
【中国标准分类号】:P25
【国际标准分类号】:93_020
【页数】:39P.;A4
【正文语种】:英语
【英文标准名称】:Workplaceairquality-Determinationoftotalisocyanategroupsinairusing2-(1-methoxyphenyl)piperazineandliquidchromatography
【原文标准名称】:工作场所空气质量用2-(1-甲氧基)酸呱嗪和液相色谱法测定空气中的总异氰酸盐
【标准号】:ISO16702-2001
【标准状态】:作废
【国别】:国际
【发布日期】:2001-05
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC146
【标准类型】:()
【标准水平】:()
【中文主题词】:空气质量;取样;工作地点;色谱法;质量;哌嗪;异氰酸酯;采样设备;扩散样品;含量测定;空气;技术数据单;解吸;空气污染;化学分析和试验;液相色谱法;工作场所安全
【英文主题词】:
【摘要】:ThisInternationalStandardgivesgeneralguidanceforthesamplingandanalysisofairborneorganicisocyanatesinworkplaceair,usingthe2-(1-methoxyphenyl)piperazinereagentandliquidchromatography.ThisInternationalStandardisapplicabletothemeasurementofawiderangeoforganiccompoundscontainingisocyanatefunctionalgroups(NCO),includingisocyanatemonomersandprepolymers.ThisInternationalStandardisapplicabletothemeasurementofanyproductcontainingfreeisocyanategroups.ThisInternationalStandardisapplicabletothemeasurementoftime-weighted-averageconcentrationsoforganicisocyanatesinworkplaceatmospheres,andforsamplingoverperiodsintherange10minto8h.Itisdesignedforpersonalmonitoring,butmayalsobeusedforfixed-locationmonitoringbysuitablemodification.ThisInternationalStandardisapplicabletothemeasurementofairborneorganicisocyanatesintheconcentrationrangeapproximately0,1μgNCO·mto140μgNCO·mfora15Isamplevolume.Thequalitativeandquantitativedetectionlimitsforisocyanate,definedasthreetimesandtentimesthestandarddeviationofsixblankdeterminations,havebeenfoundtobetypicallyaround0,001μgNCOand0,004μgNCOpersamplerespectively(electrochemicaldetection).Fora15Iairsample,thesevaluescorrespondtoqualitativeandquantitativedetectionlimitsof0,07μg·mand0,3μg·mrespectively.EXAMPLESAromaticmonomersincludetoluenediisocyanate(TDI)andmethylenebis(4-phenylisocyanate)(4,4-diisocyanatodiphenylmethane,MDI).Aliphaticmonomersincludeisophoronediisocyanate(IPDI)and1,6-hexamethylenediisocyanate(HDI).Isocyanateoligomersorprepolymersarederivedfromthesemonomersbyself-condensationorreactionwithpolyols.NOTE1Organicisocyanatescanalsoarisefromthermaldecompositionofpolyurethanes.Ifbothisocyanatesandaminesarebelievedtobepresent,useofastandardwhichenablesthesimultaneousdeterminationofbothaminesandisocyanatesmaybemoreappropriate(ISOmethodindraft).AnalternativeprocedureusingtheMAP[1-(9-anthracenylmethyi)piperazine]reagentisalsoavailable(ISOmethodindraft).NOTE2Theobjectiveofairmonitoringisusuallytodetermineworkerexposureand,therefore,theproceduresdescribedinthisInternationalStandardareforpersonalsamplinginthebreathingzone.Theproceduresmaybeusedforbackgroundorfixedlocationsampling.However,itshouldberecognizedthat,duetoaerodynamiceffects,samplersdesignedforpersonalsamplingdonotnecessarilyexhibitthesamecollectioncharacteristicswhenusedforotherpurposes.
【中国标准分类号】:Z15
【国际标准分类号】:13_040_30
【页数】:16P;A4
【正文语种】:英语
【英文标准名称】:Railwayapplications-Measuringofnewandmodifiedfreightwagons-Part2:freightwagonswithbogies.
【原文标准名称】:铁路设施.新型和改造的货运车辆的测量.第2部分:带转向架的货运车
【标准号】:NFF33-500-2-2004
【标准状态】:现行
【国别】:法国
【发布日期】:2004-01-01
【实施或试行日期】:2004-01-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:使用;规范(验收);平衡悬架;重建物;测量;极限偏差;尺寸;货车;建筑工程;调查;测量方法;铁路;定义;货物运输;铁路设施;铁路工程;新式结构;铁路货运车辆
【英文主题词】:
【摘要】:
【中国标准分类号】:S50
【国际标准分类号】:45_060_20
【页数】:28P;A4
【正文语种】:其他
