摘要
高层建筑斜交网格筒是一种新型的高层建筑结构,其主要受力构件是斜向交叉的柱。在竖向荷载作用下,斜交网格筒结构的受力与变形特点有异于传统的正交结构。通过有限元分析发现,斜交网格筒结构在竖向荷载作用下会发生外鼓而传统正交结构无外鼓。同时,采用有限元方法对竖向荷载作用下斜交网格筒的外鼓进行了变化参数分析,总结出了影响斜交网格筒结构外鼓的主要因素,进而提出了减小外鼓侧移的工程措施。
Diagrid tube structure is a new structural pattern of high-rise building. The main bearing members are the diagonal columns. Under the action of vertical loads, the stress and deformation characteristics of diagrid tube structures are different from traditional orthorhombic structures. By means of finite-element analysis, the diagrid tube structure tended to outward bulge under vertical loads, while the traditional orthorhombic structure was unchanged. Meanwhile, the changing parameters of diagrid tube structure under vertical loads were researched by finite-element method, and the main factors of outward bulge were summarized. Finally, the construction measures to reduce bugle displacement of diagrid tube structures under vertical loads were suggested.
作者
刘成清
罗馨怡
马开强
LIU Chengqing;LUO Xinyi;MA Kaiqiang(School of Civil Engineering, Southwest Jiaotong University, Chcngdu 610031, China)
出处
《钢结构》
北大核心
2017年第11期74-79,共6页
Steel Construction
基金
国家自然科学基金项目(51278428)
关键词
斜交网格筒结构
竖向荷载
外鼓侧移
有限元分析
diagrid tube structure
vertical loads
bulge displacement
finite element analysis
