建筑钢结构进展2024，Vol.26Issue(2)：64-75,12.DOI:10.13969/j.cnki.cn31-1893.2024.02.007
铰接方钢管组合异形柱框架抗震性能研究
Study on the Seismic Behavior of Articulated Special-Shaped Composite Column Frame Composed of Square Steel Tube
摘要
Abstract
In order to solve the problems of low degree of assembly type and standardization,numerous welding work on site and waste of indoor building area in rural residential system,this paper proposes an articulated square steel pipe composite special-shaped column frame system.In the system,the special-shaped column is an L-shaped column formed by combining three hollow steel pipes with steel plates and stiffeners.The beam and column joints are hinged joints connected by web bolts.In this paper,the seismic performance of the system is studied.by conducting pseudo-static tests.The results show that by comparing the articulated concrete-filled steel tubular composite special-shaped column,the articulated hollow steel tubular composite special-shaped column frame system rotates before the beam end,and the failure mode is the column base failure,which has better seismic energy dissipation and slower strength and stiffness degradation.By comparing the skeleton curves of rigid joints and articulated joints,it is found that the stiffness degree of joints has a larger influence to the overall lateral stiffness of the structure.关键词
铰接节点/异形柱框架结构/拟静力试验/村镇住宅/抗震性能Key words
articulated joint/special-shaped column frame structure/pseudo static test/rural areas building/seismic behavior分类
建筑与水利引用本文复制引用
周婷,肖潇,陈志华,王子刚..铰接方钢管组合异形柱框架抗震性能研究[J].建筑钢结构进展,2024,26(2):64-75,12.基金项目
国家自然科学基金(52278202) （52278202）
