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当前位置:首页 > 财经/贸易 > 资产评估/会计 > 混凝土结构设计原理复习题及参考答案范文
在当今的科学发展飞速的新时代,越来越多的高科技开始运用于我们的学习、工作和生活当中。科技,已成为我们走向高质量生活的一座桥梁,一根绳梯。ofvision.3,build,fittinginwiththeurbanmasterplaninYibincityrapidrailtransitlongtermnetwork,aswellasthevisionofYibincity,andfuturedevelopmentofrailtransitnetwork.4,Yibincity,preliminaryrailtrafficlevelsservicelevels,systemmodel,andtechnicalstandards.5,toensurethatnetworkcanbeimplemented.6,stableconditionsforplanningandsupportingofYibincitytracktrafficconstructionandformationofrailtransitindustry,provideconditionsforthestart-upanddevelopmentofrailtransitinYibincity.1.7technicalcoursetechnologyistheproject'sresearchprogramandresearchideas.Technologyreflectsthevariousstagesintheprocess,logicalrelationsbetweenvariouslevels,research,techniquesandphases.Networkplanningprocessthewholeprocesscanbedividedintofourparts,namely,backgroundresearch,networkarchitectureresearch,planningandimplementationofresearchandprogramminginterfaces.Figure1.7-1Yibincityrailtransitnetworkplanningtechnologyroadmapplanninginterfaceismainlyresponsiblefornetworkplanninginterfacewithfollow-upplanningtasks.NetworkplanningUrbanplanningsysteminatransitionalposition,onlinenetworkplanningiscompleted,willbecarriedoutassoonaspossiblethefollowingplanningprojects:1,detailedcontrolofthelandofrapidrailtransitnetworkplanning;2,thepartitioningfornetworkplanning;3,jointplanningofrailtransportandurbantransportinotherways;Detailedtechnicalcoursesseebelow.Figure1.7-2Generaltechnologyroutefigure2ndchapterCitystatusanddevelopmentplanning2.1citybasicprofile2.1.1一、单项选择题:1.为了防止受弯构件少筋破坏,应适用条件[]A.V>0.25βCfcbh0B.ξ≤ξbC.As≥As,minD.以上都不对2.混凝土的双向受压强度与压应力的比值有关,当横向应力与轴向应力之比为0.5时,双向受压强度最大可提高[]A.25%B.35%C.10%D.16%3.当环境类别为一类,混凝土等级为C25~C45时,一般梁的混凝土保护层厚度取[]A.25mmB.30mmC.35mmD.40mm4.混凝土立方体抗压强度标准值的保证率为[]A.50%B.75%C.85%D.95%5.在混凝土轴心受压短柱中,规定混凝土的极限压应变控制在0.002以内时[]A.HPB235、HRB335、HRB400热轧钢筋均能达到抗压屈服强度B.热处理钢筋可以达到屈服强度C.混凝土强度越高,钢筋的应力就越高D.与混凝土无关,各级钢筋都能达到自身的屈服强度6.对于大偏心受压构件,有[]A.M不变时,N越大越危险B.M不变时,N越小越危险C.N不变时,M越小越危险D.N不变时,M对配筋无影响7.矩形截面大偏心受压构件截面设计时要令x=ξbh0,这是为了[]A.保证不发生小偏心受压破坏B.保证破坏时,远离轴向力一侧的钢筋应力能达到屈服强度C.使钢筋用量最少D.保证破坏时,靠近轴向压力一侧的钢筋应力能达到屈服强度8.无腹筋梁斜截面受剪破坏形态主要有三种,这三种破坏的性质[]A.都属于脆性破坏B.都属于塑性破坏C.剪压破坏属于塑性破坏、斜拉和斜压破坏属于脆性破坏D.剪压和斜压破坏属于塑性破坏、斜拉破坏属于脆性破坏9.预应力混凝土构件的预应力总损失值至少应取[]A.后张法构件1000N/mm2;先张法构件800N/mm2B.先张法构件100N/mm2;后张法构件80N/mm2C.所预加预应力总值的一半D.所预加预应力总值的15%10.下列情况中,属于超过承载能力极限状态的是[]A.裂缝宽度超过规范限值-B.挠度超过规范限值C.结构或构件视为刚体丧失平衡D.预应力构件中混凝土的拉应力超过规范限值11.螺旋箍筋柱可以提高抗压强度,其原因是[]A.螺旋筋参与受压-B.螺旋筋使混凝土密实C.螺旋筋约束了混凝土的横向变形-D.螺旋筋使混凝土中不出现内裂缝12.一般梁的截面限制条件取V≤0.25βCfcbh0,其目的在于[]A.满足斜截面抗剪承载力B.防止箍筋屈服C.防止发生斜拉破坏D.防止发生斜压破坏13.使混凝土产生非线性徐变的主要因素是[]在当今的科学发展飞速的新时代,越来越多的高科技开始运用于我们的学习、工作和生活当中。科技,已成为我们走向高质量生活的一座桥梁,一根绳梯。ofvision.3,build,fittinginwiththeurbanmasterplaninYibincityrapidrailtransitlongtermnetwork,aswellasthevisionofYibincity,andfuturedevelopmentofrailtransitnetwork.4,Yibincity,preliminaryrailtrafficlevelsservicelevels,systemmodel,andtechnicalstandards.5,toensurethatnetworkcanbeimplemented.6,stableconditionsforplanningandsupportingofYibincitytracktrafficconstructionandformationofrailtransitindustry,provideconditionsforthestart-upanddevelopmentofrailtransitinYibincity.1.7technicalcoursetechnologyistheproject'sresearchprogramandresearchideas.Technologyreflectsthevariousstagesintheprocess,logicalrelationsbetweenvariouslevels,research,techniquesandphases.Networkplanningprocessthewholeprocesscanbedividedintofourparts,namely,backgroundresearch,networkarchitectureresearch,planningandimplementationofresearchandprogramminginterfaces.Figure1.7-1Yibincityrailtransitnetworkplanningtechnologyroadmapplanninginterfaceismainlyresponsiblefornetworkplanninginterfacewithfollow-upplanningtasks.NetworkplanningUrbanplanningsysteminatransitionalposition,onlinenetworkplanningiscompleted,willbecarriedoutassoonaspossiblethefollowingplanningprojects:1,detailedcontrolofthelandofrapidrailtransitnetworkplanning;2,thepartitioningfornetworkplanning;3,jointplanningofrailtransportandurbantransportinotherways;Detailedtechnicalcoursesseebelow.Figure1.7-2Generaltechnologyroutefigure2ndchapterCitystatusanddevelopmentplanning2.1citybasicprofile2.1.1A.水泥用量B.水灰比的大小C.应力的作用时间D.-持续作用的应力值与混凝土轴心抗压强度比值的大小14.无腹筋梁斜截面受剪主要破坏形态有三种。对同样的构件,其受剪承载力的关系为[]A.斜拉破坏>剪压破坏>斜压破坏B.斜拉破坏<剪压破坏<斜压破坏C.剪压破坏>斜压破坏>斜拉破坏D.剪压破坏=斜压破坏>斜拉破坏15.箍筋配置过多,而截面尺寸又太小的梁,一般会发生[]A.斜压破坏B.剪压破坏C.斜拉破坏D.以上都不对16.所谓线性徐变是指[]A.-徐变与荷载持续时间成线性关系B.徐变系数与初应力为线性关系C.-徐变变形与持续应力为线性关系D.-瞬时变形和徐变变形之和与初应力成线性关系17.受扭构件中,抗扭纵筋应[]A.在截面四角必须布置,其余沿截面周边均匀对称布置B.在截面上边布置C.-在截面下边布置D.在截面左右两侧布置18.一般梁斜截面承载力计算中,当V>0.25βCfcbh0时,应采取的措施是[]A.增大箍筋直径和减小箍筋间距B.提高箍筋的抗拉强度设计值C.加配弯起钢筋D.增大截面尺寸或提高混凝土强度等级19.钢筋混凝土轴心受拉构件中,钢筋的级别及配筋率一定时,为减少裂缝的平均宽度,应尽量采用[]A.直径较小的钢筋B.直径较大的钢筋C.减低混凝土强度等级D.多种直径的钢筋20.在计算钢筋混凝土受弯构件的变形时,截面刚度应取[]A.最大刚度B.最小刚度C.平均刚度D.1.5倍的平均刚度21.钢筋混凝土梁在正常使用情况下[]A.通常是带裂缝工作的B.一旦出现裂缝,裂缝贯通全截面C.一旦出现裂缝,沿全长混凝土与钢筋间的粘结力丧尽D.通常是无裂缝的22.钢筋与混凝土能共同工作的主要原因是[]A.防火、防锈B.混凝土对钢筋的握裹及保护C.混凝土与钢筋有足够的粘结力,两者线膨胀系数接近D.钢筋抗拉而混凝土抗压23.混凝土若处于三向应力作用下,则呈现[]A.横向受拉,纵向受压,可提高抗压强度B.横向受压,纵向受拉,可提高抗压强度C.三向受压会降低抗压强度D.三向受压能提高抗压强度24.混凝土的弹性模量是指[]A.原点弹性模量B.切线模量C.割线模量D.变形模量25.钢筋混凝土轴心受压构件,稳定系数是考虑了[]A.初始偏心距的影响B.荷载长期作用的影响C.两端约束情况的影响D.附加弯矩的影响26.对于高度、截面尺寸、配筋完全相同的柱,以
本文标题:混凝土结构设计原理复习题及参考答案范文
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