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midas高层建筑的PUSHOVER分析.doc

发布:2020-06-09约1.75万字共31页下载文档
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For utmost Accuracy Productivity, MIDAS provides the best solution in Structural Engineering, We Analyze and Design the Future! MIDAS Structural Engineering System 高层建筑的PUSHOVER分析 高层建筑的PUSHOVER分析 目 录 荷载组合 ································································································································ 2 一般设计参数概述 ···························································································· 2 钢筋混凝土构件设计参数 ······································································· 4 钢筋混凝土构件设计 ················································································ 6 静力弹塑性(Pushover ·························································· 9 Pushover····················································································· 15 1······················································································· 15 ·················································································· 17 3························································································ 21 1 高层建筑的PUSHOVER分析 荷载组合 主菜单选择 结果荷载组合: 一般组合:用于查看内力变形等,一般组合中有包络组合 混凝土设计:用于结构设计部分组合 点击自动生成 注: 1. 考虑双向地震 勾选双向地震程 序会在荷载组合 中自动添加。 2.用户亦可自定 义所需的荷载用 户,先在左侧名称 一栏定名称,在右 侧选择荷载工况 和组合系数。 设计规范:GB50017-03 图 定义框架: 设计类型 :三维 图2 定义框架 2:主菜单选择 设计一般设计参数指定构件: 自动指定构件自由长度 2 高层建筑的PUSHOVER分析 当梁单元中间被其它节点分割成几部分时,需由程序自动指定构件,定义梁单元在强轴作用平面内的自由长度。 注:当有非直线梁单元时,需在模型中选择此梁单元由手动完成。 3:主菜单选择 设计一般设计参数反转构件方向: 若有对称单元且对称部分单元编号相同时,选择此项菜单,否则不用选择此项菜单。 4:主菜单选择 设计一般设计参数自由长度:当由程序自动指定构件后,程序默认自由长度为构件两节点间距离,一般不用选择此项菜单。当有一些特殊构件的自由长度需由设计者指定时,选择此项菜单编辑构件自由长度。 5:主菜单选择 设计一般设计参数计算长度系数:当由程序自动计算时,一般不用选择此项菜单。选择此项菜单编辑构件计算长度系数。 6:主菜单选择 设计不用选择此项菜单。件极限长细比。 7:主菜单选择此系数为压弯构 9 地震作用放大系数: 10 一般设计参数编辑构件类型: 选项:添加/替换 构件类型:梁 梁:框架梁 功能选择框架梁,按 即可。 同样方法定义柱和墙构件。 3 高层建筑的PUSHOVER分析 钢筋混凝土构件设计参数 1:主菜单选择 设计钢筋混凝土构件设计参数定义抗震等级 图3 2:主菜单选择 设计 图材料分项系数 3 编辑钢筋混凝土材料 图5 钢筋混凝土材料特性 4:主菜单选择 设计钢筋混凝土构件设计参数 4 高层建筑的PUSHOVER分析 编辑最大配筋率 图6 编辑最大配筋率 5:主菜单选择 设计定义设计用钢筋直径 图7 定义设计用钢筋直径 5 高层建筑的PU
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