【作者】 舒云峰； 苏卫东； 林锋； 李云珠； 饶力；

【Author】 Shu Yunfeng,Su Weidong,Lin Feng,Li Yunzhu,Rao Li (Chongqing Architectural Design Institute,Chongqing 400015,China)

【机构】 重庆市设计院；

【摘要】 重庆西永综保区监管大楼办公主楼为大跨度连体结构,连体跨度58.6m,连接体底部与顶部均采用钢结构桁架与两侧的简体形成巨型框架。采用SAP2000进行了弹塑性时程分析,分析表明:简体剪力墙混凝土压应力小于其抗压强度,钢筋尚未屈服,满足剪力墙大震不屈服的性能目标;连接体及其相邻部位剪力墙存在刚度突变,可能形成薄弱层;地震波竖向地震作用均值与重力荷载代表值的比为0.07,说明竖向地震作用明显,竖向地震作用效应不可忽略。更多还原

【Abstract】 Chongqing Xiyong Integrated Free Trade Zone Regulatory Building is a large-span connective structure with the span of 58.6m,and the mega-frame is made up of three-body steel truss above,three-body steel truss below and concrete shear wall tube structures on both sides.The elastic-plastic time history analysis by using SAP2000 shows the compressive stress of shear wall concrete in tube structures does not reach its compressive strength,and the steel does not yielded,so it can meet the performance objectives that shear wall will not yield when the large earthquake is occurring;the stiffness of the connective structure and shear wall nearby has mutations,where a weak story may form;the ratio of the average value of vertical earthquake action to the representative value of gravity load is 0.07,indicating the effects of the vertical earthquake action is obvious and it can not be ignored.更多还原