摘要
提出筒中筒结构在扭矩作用下的超元法,即是对外框筒及楼板连续化处理以后,视整个结构为一个悬臂杆,然后按楼层划分成超级单元,导出超级单元的刚度矩阵,用矩阵位移法分析.用该法分析变刚度筒中筒结构的扭转问题,自由度很少,计算简便.
Super element method which is simpler in claculation for analyzing tube-in -tube structures with variable stiffness along the height subjected to sorsion is presented, ie, after treatment of the structure system with continuum technique, the whole structure is divided into super elements and is then analyzed by the matrix displacement method. The super element stiffness matnx of the structure is derived.
出处
《建筑结构》
CSCD
北大核心
1998年第10期30-31,40,共3页
Building Structure
关键词
筒中筒结构
变刚度
超级单元
矩阵位移法
tube-in-tube structures
variable stiffness
super element
matrix displacement method
