EN 1993-1-1-2009 欧洲法规3:钢结构的设计.第1-1部分:建筑物总则和条例.德文版本EN1993-1-1-2005+AC-2009
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【英文标准名称】:Eurocode3:Designofsteelstructures-Part1-1:Generalrulesandrulesforbuildings;GermanversionEN1993-1-1:2005+AC:2009
【原文标准名称】:欧洲法规3:钢结构的设计.第1-1部分:建筑物总则和条例.德文版本EN1993-1-1-2005+AC-2009
【标准号】:EN1993-1-1-2009
【标准状态】:现行
【国别】:
【发布日期】:2010-12
【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】:基本设计数据;螺栓连接;建筑物;组件;连接;建筑;定义;设计;尺寸选定;草图;架设(施工作业);欧洲法规;疲劳;疲劳特性;适用性;总论;连接件;荷载能力;负荷;制造;材料性能;材料;数学计算;额定方程;铆接连接;螺钉-螺栓连接;钢结构;钢结构工程;钢结构作业;结构;焊接接头
【英文主题词】:Basicdesigndata;Boltedjoints;Buildings;Components;Connections;Construction;Crosssections;Definitions;Design;Dimensioning;Draft;Durability;Erecting(constructionoperation);Eurocode;Fatigue;Fatiguebehaviour;Fitnessforpurpose;Generalsection;Joints;Loadcapacity;Loading;Manufacturing;Materialproperties;Materials;Mathematicalcalculations;Ratingequation;Rivetedjoints;Screw-bolt-joints;Steelconstruction;Steelstructuralengineering;Stress;Structuralsteelwork;Structures;Weldedjoints;Workmanship
【摘要】:
【中国标准分类号】:P26
【国际标准分类号】:91_010_30;91_080_10
【页数】:95P;A4
【正文语种】:英语
【英文标准名称】:Metallicmaterials-Methodoftestforthedeterminationofresistancetostablecrackextensionusingspecimensoflowconstraint
【原文标准名称】:金属材料.测定低限制条件下使用的样品抗稳定裂纹扩张的试验方法
【标准号】:ISO22889-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-12
【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/TC164
【标准类型】:()
【标准水平】:()
【中文主题词】:抗裂纹扩张;抗裂纹;定义;材料试验;材料;材料测试;机械试验;金属的;金属材料;金属;抗破裂构造;测试
【英文主题词】:Crack-extension-resistance;Crackingresistance;Definitions;Materialtests;Materials;Materialstesting;Mechanicaltesting;Metallic;Metallicmaterials;Metals;Resistancetocrackformation;Testing
【摘要】:ThisInternationalStandardspecifiesmethodsfordeterminingtheresistancetostablecrackextensionintermsofcrackopeningdisplacement,δ5,andcriticalcracktipopeningangle,ψc,forhomogeneousmetallicmaterialsbythequasistaticloadingofcrackedspecimensthatexhibitlowconstrainttoplasticdeformation.Compactandmiddle-crackedtensionspecimensarenotched,precrackedbyfatigue,andtestedunderslowlyincreasingdisplacement.ThisInternationalStandarddescribesmethodscoveringtestsonspecimensnotsatisfyingrequirementsforsize-insensitivefractureproperties;namely,compactspecimensandmiddle-crackedtensionspecimensinrelativelythingauges.Methodsaregivenfordeterminingthecrackextensionresistancecurve(R-curve).PointvaluesoffracturetoughnessforcompactspecimensaredeterminedaccordingtoISO12135.Methodsfordeterminingpointvaluesoffracturetoughnessforthemiddle-crackedtensionspecimenaregiveninAnnexD.Crackextensionresistanceisdeterminedusingeitherthemultiple-specimenorsingle-specimenmethod.Themultiple-specimenmethodrequiresthateachofseveralnominallyidenticalspecimensbeloadedtoaspecifiedlevelofdisplacement.Theextentofductilecrackextensionismarkedandthespecimensarethenbrokenopentoallowmeasurementofcrackextension.Single-specimenmethodsbasedoneitherunloadingcomplianceorpotentialdroptechniquescanbeusedtomeasurecrackextension,providedtheymeetspecifiedaccuracyrequirements.Recommendationsforsingle-specimentechniquesaredescribedinISO12135.Usingeithertechnique,theobjectiveistodetermineasufficientnumberofdatapointstoadequatelydescribethecrackextensionresistancebehaviourofamaterial.Themeasurementofδ5isrelativelysimpleandwellestablished.Theδ5resultsareexpressedintermsofaresistancecurve,whichhasbeenshowntobeuniquewithinspecifiedlimitsofcrackextension.Beyondthoselimits,δ5R-curvesforcompactspecimensshowastrongspecimendependencyonspecimenwidth,whereastheδ5R-curvesformiddle-crackedtensionspecimensshowaweakdependency.CTOAismoredifficulttodetermineexperimentally.ThecriticalCTOAisexpressedintermsofaconstantvalueachievedafteracertainamountofcrackextension.TheCTOAconcepthasbeenshowntoapplytoverylargeamountsofcrackextensionandcanbeappliedbeyondthecurrentlimitsofδ5applications.Bothmeasuresofcrackextensionresistancearesuitableforstructuralassessment.Theδ5conceptiswellestablishedandcanbeappliedtostructuralintegrityproblemsbymeansofsimplecrackdrivingforceformulaefromexistingassessmentprocedures.TheCTOAconceptisgenerallymoreaccurate.Itsstructuralapplicationrequiresnumericalmethods,i.e.finiteelementanalysis.InvestigationshaveshownaverycloserelationbetweentheconceptofconstantCTOAandauniqueR-curveforbothcompactandmiddle-crackedtensionspecimensuptomaximumload.Furtherstudyisrequiredtoestablishanalyticalornumericalrelationshipsbetweentheδ5R-curveandthecriticalCTOAvalues.
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:49P.;A4
【正文语种】:英语
【英文标准名称】:Falsework-Performancerequirementsandgeneraldesign;GermanversionEN12812:2004
【原文标准名称】:脚手架.性能要求和一般设计
【标准号】:DINEN12812-2004
【标准状态】:作废
【国别】:德国
【发布日期】:2004-09
【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】:定义;职业安全;建筑;材料;设计;数学计算;荷载能力;负荷;工作场所安全;安全要求;地基;试验;效应;规范(验收);管连接件;安全工程;事故预防;尺寸;脚手架;吊式脚手架;工作脚手架;组件;钢;尺寸选定;支撑物
【英文主题词】:Accidentprevention;Components;Construction;Definition;Definitions;Design;Dimensioning;Dimensions;Effects;Foundations;Loadcapacity;Loading;Materials;Mathematicalcalculations;Occupationalsafety;Pipecouplings;Safetyengineering;Safetyrequirements;Scaffolds;Slungscaffolds;Specification(approval);Steels;Supports;Testing;Workscaffoldings;Workplacesafety
【摘要】:ThisEuropeanStandardspecifiesperformancerequirementsanddesignmethodsforfalsework.Itprovidesinformationforthepersonwhorequiresfalseworktosupportapermanentstructureandneedstocommissionitsdesignorsupply.Itsetsouttheruleswhichthedesignerhastotakeintoaccounttoproduceasafefalseworkstructure.
【中国标准分类号】:P96
【国际标准分类号】:91_220
【页数】:48P;A4
【正文语种】:德语