钢结构设计原理A卷及答案

为保证设计质量和设计深度，根据国家建设部《建筑工程设计文件编制深度规定》的要求，结合园林专业和建筑专业的情况，对园林景观方案设计文件编制深度的规定作适当补充和调整，特作如下说明。enforcedthermalinsulationstartscheckingsystem,issuedbythethermalinsulationconstructionbeforeyoustarttonotice,transferinspectionofupperandloweroperationandtransferofrecords.Foroutdooroperation,pipelineequipmenttoeffectivelycarryouttheinsulationwaterproofmeasuresfailtoinstallprotectivepanelsinpartwiththreetarpaulincover,topreventinsulationfrommoisture.InsulationseamMichaelJackson5mm,joints,joints100mm,insulationthicknesstolerance(+10MM~–5mm),appropriatematerialelasticbanding,spacingaccordingtothedesignrequirements,rigidinsulationsoftmaterialsforconstructionjointstight;Andlarge-diameterverticalpipeforhightemperaturepipelineinstrictaccordancewithdesigndrawingscalledfortheestablishmentofexpansionjointsandholdingbracket;Designrequirementsintoaremovabletypeofinsulation,instrictaccordancewithspecificationsdisconnectfromtheotherinsulation;Surfaceinsulationboardsinthetechnologyofplasteringconstructionofwovenclothtopreventpollutionandprotectivepanelsflushwiththesurfaceinterface,tightandclean.Sitemeasurementofinsulationboardsforelbowshapecutting,ensurethateachpieceoflappedtraffic,arctransitionofnatural,beautiful,screwsup.Stampedeoutsideconstructionpersonnelisstrictlyprohibitedandshelveobjectsdirectlyontheoutershield.Inordertopreventthepollution-proneheater,channelareaofsecondarypollutionoflarge-diameterpipesandotherequipment,weavingcloth,anderectionoftheseparationplatformforpreservation.Thermalinsulationconstruction,on-hooktackweldedtotheconsolidatedline,toensureevenlyspaced,andthehooknaileddown...Seenextpageflowchartmanagementprocess.7.2Generalrequirementsforprotectiveproductprotection中南林业科技大学课程考试试卷课程名称钢结构设计原理(闭卷)试卷编号：A卷考试时间：120分钟题号一二三四总分应得分100实得分一、单项选择题(每题2分，共40分。)得分评卷人复查人1．下列情况中，属于正常使用极限状态的情况是【】A强度破坏B丧失稳定C连接破坏D动荷载作用下过大的振动2．需要进行疲劳计算条件是：直接承受动力荷载重复作用的应力循环次数n大于或等于【】A5×104B2×104C5×105D5×1063．应力循环特征值（应力比）ρ=σmin/σmax将影响钢材的疲劳强度。在其它条件完全相同情况下，下列疲劳强度最低的是【】A对称循环ρ=-1B应力循环特征值ρ=+1C脉冲循环ρ=0D以压为主的应力循环4．钢材的屈强比是指【】A比例极限与极限强度的比值B弹性极限与极限强度的比值C屈服强度与极限强度的比值D极限强度与比例极限的比值.5．规范规定：侧焊缝的计算长度不超过60hf，这是因为侧焊缝过长【】A不经济B弧坑处应力集中相互影响大C计算结果不可靠D不便于施工6．有一由两不等肢角钢短肢连接组成的T形截面轴心受力构件，与节点板焊接连接，则肢背、肢尖内力分配系数1k、2k为【】A25.0,75.021kkB30.0,70.021kkC35.0,65.021kkD35.0,75.021kk7．焊接残余应力不影响钢构件的【】A疲劳强度B静力强度C整体稳定D刚度8．规范规定普通螺栓抗拉强度设计值只取螺栓钢材抗拉强度设计值的0.8倍，是因为【】A偏安全考虑B考虑实际作用时可能有偏心的影响C撬力的不利影响D上述A、B、C考务部门填写年月日考试用学院专业班级年级姓名学号装订线(答题不得超过此线)为保证设计质量和设计深度，根据国家建设部《建筑工程设计文件编制深度规定》的要求，结合园林专业和建筑专业的情况，对园林景观方案设计文件编制深度的规定作适当补充和调整，特作如下说明。enforcedthermalinsulationstartscheckingsystem,issuedbythethermalinsulationconstructionbeforeyoustarttonotice,transferinspectionofupperandloweroperationandtransferofrecords.Foroutdooroperation,pipelineequipmenttoeffectivelycarryouttheinsulationwaterproofmeasuresfailtoinstallprotectivepanelsinpartwiththreetarpaulincover,topreventinsulationfrommoisture.InsulationseamMichaelJackson5mm,joints,joints100mm,insulationthicknesstolerance(+10MM~–5mm),appropriatematerialelasticbanding,spacingaccordingtothedesignrequirements,rigidinsulationsoftmaterialsforconstructionjointstight;Andlarge-diameterverticalpipeforhightemperaturepipelineinstrictaccordancewithdesigndrawingscalledfortheestablishmentofexpansionjointsandholdingbracket;Designrequirementsintoaremovabletypeofinsulation,instrictaccordancewithspecificationsdisconnectfromtheotherinsulation;Surfaceinsulationboardsinthetechnologyofplasteringconstructionofwovenclothtopreventpollutionandprotectivepanelsflushwiththesurfaceinterface,tightandclean.Sitemeasurementofinsulationboardsforelbowshapecutting,ensurethateachpieceoflappedtraffic,arctransitionofnatural,beautiful,screwsup.Stampedeoutsideconstructionpersonnelisstrictlyprohibitedandshelveobjectsdirectlyontheoutershield.Inordertopreventthepollution-proneheater,channelareaofsecondarypollutionoflarge-diameterpipesandotherequipment,weavingcloth,anderectionoftheseparationplatformforpreservation.Thermalinsulationconstruction,on-hooktackweldedtotheconsolidatedline,toensureevenlyspaced,andthehooknaileddown...Seenextpageflowchartmanagementprocess.7.2Generalrequirementsforprotectiveproductprotection29．高强度螺栓的预拉力设计值计算公式eu0.90.90.91.2PAf中，三个0.9不是考虑【】A螺栓材料不均匀性的折减系数B超张拉系数C附加安全系数D考虑拧紧螺栓时扭矩产生的剪力的不利影响。10．用螺栓连接的轴心受力构件，除了要验算净截面强度外，还要进行毛截面强度验算的连接螺栓连接是【】A普通粗制螺栓连接B普通精制螺栓连接C摩擦型高强度螺栓连接D承压型高强度螺栓连接11．钢结构规范关于轴心受压钢构件整体稳定的柱子曲线（φ-λ关系曲线）有多条的根本原因是考虑了【】A材料非弹性B构件的初弯曲C残余应力的影响D材料非均匀12．工字形、H形截面轴心受压构件翼缘局部稳定验算公式1y235(100.1)btf≤中，λ为【】A绕x轴的长细比λxB绕y轴的长细比λyCmin(,)xyDmax(,)xy13．宽大截面轴心受压钢构件腹板局部稳定的处理方法：当构件的强度、整体稳定、刚度绰绰有余时，应采用【】A增加腹板厚度以满足宽厚比要求B设置纵向加劲肋C任凭腹板局部失稳D设置纵向加劲肋、横向加劲肋和短加劲肋14．焊接组合梁翼缘和腹板（工字形截面）的连接焊缝承受的是【】A弯矩作用B弯矩和剪力共同作用C拉力作用`D剪力作用15.吊车钢梁在设计荷载作用下应按哪个应力阶段设计计算【】A弹性阶段B弹塑性阶段C全塑性阶段D强化阶段16.下列截面中，抗扭刚度最大的截面形式是【】A工字形截面BT形截面CH形截面D箱形截面17．格构式构件应该用在当用实腹式时【】A强度有余但刚度不足的情况B强度不足但刚度有余的情况C强度不足刚度也不足的情况D强度有余刚度也有余的情况18．在其它条件相同情况下，简支钢梁在下列哪种受力情况下对应的临界弯矩值最低【】A全跨匀布荷载B跨中一集中荷载C纯弯曲D任意荷载19．钢材蓝脆现象发生的温度大约是【】为保证设计质量和设计深度，根据国家建设部《建筑工程设计文件编制深度规定》的要求，结合园林专业和建筑专业的情况，对园林景观方案设计文件编制深度的规定作适当补充和调整，特作如下说明。enforcedthermalinsulationstartsche