高烈度区型钢混凝土框架－核心混凝土筒体混合结构竖向构件受力及截面设计

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基金项目:

国家自然科学基金项目(50578129);教育部博士点专项基金项目(20060703001);河南省教育厅自然科学基金项目(2010A560016)

MECHANICAL BEHAVIOR AND SECTION DESIGN OF VERTICAL MEMBERS FOR SRC FRAME-RC CORE WALL HYBRID STRUCTURE IN HIGH SEISMIC INTENSITY REGION

1.
1. School of Civil Engineering,Zhengzhou University,Zhengzhou 450001,China;
2.
2. School of Civil Engineering,Xi’an University of Architecture and Technology,Xi’an 710055,China

摘要: 为探究框架－核心筒混合结构竖向构件受力的规律，通过选取结构刚度特征值和核心筒高宽比H/b为参数，建立型钢混凝土框架-钢筋混凝土筒体混合结构非线性参数化模型。采用静力非线性分析方法，对高烈度区SRC框架-RC筒体混合结构竖向构件受力性能进行研究，主要包括混合结构剪力墙墙肢和SRC框架柱截面弯矩、剪力轴力等内力状态及其变化趋势、破坏轨迹等，同时对混合结构竖向构件设计以及截面轴压比限值提出了建议。
- 混合结构 /
- 轴压比 /
- 静力非线性分析
Abstract: In order to explore the forced behavior of vertical members for SRC frame-RC core wall hybrid structure,a parametric model is established for hybrid structures with various stiffness characteristic value and core tube aspect ratio H/b selected as parameters. Mechanical behavior of vertical members for hybrid structure is stuided by using nonlinear static analysis method,including the internal force state,change trend and failure confine etc. of core wall and outer frame column. Based on the aforementioned research,some suggestions on vertical menber design and member axial compression ratio controlling index are proposed.
- hybrid structure /
- axial compression ratio /
- nonlinear static analysis