高强螺栓盖板连接受力性能分析

洛阳理工学院毕业设计（论文）I洛阳理工学院毕业设计（论文）题目高强螺栓盖板连接受力性能分析姓名梁乘玮院（部）土木工程学院专业土木工程指导教师布欣2015年6月15日洛阳理工学院毕业设计（论文）II高强螺栓盖板连接受力性能分析摘要高强螺栓盖板连接在钢结构安装中有组装方便、施工效率高、施工质量便于控制和便于维修等优点，在钢结构中应用十分广泛，所以对高强螺栓盖板连接的受力性能分析是十分必要的。选取实际工程中9种螺栓个数不同和螺栓排列形式不同的高强螺栓盖板承压型连接案例，利用有限元软件ANSYSWorkbench16.0计算出连接承受轴向荷载时的应力、应变和变形等结果，分析连接的荷载与位移曲线、应力分布云图以及高强螺栓的剪切应力，比较9种不同高强螺栓盖板承压型连接案例的荷载与位移曲线、连接板的应力分布等结果，找出高强螺栓盖板承压型连接的受力特点以及应力分布规律。通过计算和分析得出了影响高强螺栓盖板承压型连接承载力的因素，连接板和盖板承受轴向荷载时应力的分布规律。关键词：钢结构，高强螺栓，盖板连接，受力性能分析，有限元计算洛阳理工学院毕业设计（论文）IIIAnalysisonHighStrengthBoltPlateConnectionStressPerformanceABSTRACTHighstrengthboltplateconnectionhasconvenientassembly,highconstructionefficiency,convenientcontrolofconstructionquality,easymaintenance,andotheradvantagesinsteelstructureinstallation.Soanalysisonhighstrengthboltplateconnectionstressperformanceisverynecessary.Weselectninecasesofhighstrengthboltplateconnectioninbearingtypewithdifferentnumberofboltsanddifferentarrangementformofboltsinpracticalengineering,usingthefiniteelementsoftwareANSYSWorkbench16.0tocalculatelikestress,strainanddeformation,etc,whentheconnectionissubjectedtoaxialload.Weanalyzetheconnection'sload,displacementcurveandstressdistributionandsheerstressofhighstrengthbolt.Comparingtheloadanddisplacementcurveoftheninekindsofhighstrengthboltconnectionplateandstressdistributionofconnectingplate,Wefindoutmechanicalcharacteristicsandstressdistributionofbearingtypehighstrengthboltplate.Wehavecometothefactorsthataffectthecapacityofbearingtypehighstrengthboltconnectionanddistributiondisciplineofstresswhenconnectingplateandcoverplatearesubjectedtoaxialloadstress.KEYWORDS:Steelstructure,Highstrengthbolt,coverplatecollection,Stressanalysis,finiteelementcalculation.洛阳理工学院毕业设计（论文）IV目录前言.......................................................................................................1第1章绪论.............................................................................................21.1钢结构的发展简述和高强螺栓连接概述...............................21.1.1钢结构的发展简述..........................................................21.1.2高强螺栓连接概述..........................................................31.2螺栓连接设计计算简述............................................................41.2.1螺栓连接设计计算..........................................................41.2.2高强螺栓连接设计计算假定.........................................51.3高强螺栓盖板连接受力性能分析的方法和意义..................61.3.1高强螺栓盖板连接受力性能分析的方法....................61.3.2高强螺栓盖板连接受力性能分析的意义....................6第2章有限元分析模型的建立及计算...............................................82.1几何模型的介绍........................................................................82.1.1几何模型的介绍..............................................................82.1.2承载力计算......................................................................92.2几何模型的建立......................................................................112.2.1几何模型的建立............................................................112.3有限元分析模型的建立..........................................................122.3.1材料属性........................................................................122.3.2接触的设置与网格划分...............................................132.3.3边界条件的设置............................................................15第3章有限元计算结果分析..............................................................163.1八个螺栓错列排列连接计算结果分析.................................163.1.1荷载与位移曲线分析...................................................163.1.2连接板的第四强度理论云图分析...............................163.1.3盖板的第四强度理论云图分析...................................183.1.4连接板螺栓孔附近的等效应力分析...........................193.1.5螺栓的剪应力云图分析...............................................22洛阳理工学院毕业设计（论文）V3.2九个螺栓并列排列连接详细分析.........................................233.2.1荷载与位移曲线分析...................................................233.2.2连接板的第四强度理论云图分析...............................233.2.3盖板的第四强度理论云图分析...................................253.2.4连接板螺栓孔附近的等效应力分析...........................273.2.5螺栓的剪应力云图分析...............................................293.3十个螺栓错列排列连接详细分析.........................................303.3.1荷载与位移曲线分析...................................................303.3.2连接板的第四强度理论云图分析...............................303.3.3盖板的第四强度理论云图分析...................................323.3.4连接板螺栓孔附近的等效应力分析...........................333.3.5螺栓的剪应力云图分析...............................................363.4本章小结..................................................................................37第4章模型对比分析..........................................................................384.1荷载与位移曲线对比..............................................................384.1.1八个螺栓连接对比........................................................384.1.2十个螺栓连接对比........................................................394.1.2全部连接对比................................................................404.2连接板螺栓孔附近等效应力对比.........................................424.2.1八个螺栓连接对比........................................................424.2.2十个螺栓连接对比........................................................434.2.3全部连接对比..........