水平加强层对筒中筒结构空间受力性能的影响  

INFLUENCE OF OUTRIGGER ON SPATIAL PERFORMANCE OF TUBE-IN-TUBE STRUCTURES

作　　者：陈林之[1] 李章政[1] 

机构地区：[1]四川大学建筑与环境学院,成都610065

出　　处：《工业建筑》2005年第10期23-25,共3页Industrial Construction

摘　　要：设置水平加强层可以降低由裙梁柔性导致的框筒剪力滞后效应,增强结构空间受力性能,提高结构抗侧刚度。通过对若干算例进行空间有限元分析,讨论了加强层的刚度、布置状况等对外框筒剪力滞后效应、结构抗侧刚度等的影响,并提出了加强层设置的建议。The shear lag effect of frame-tube structures caused by the flexibility of the spandrel beam can be weakened by setting outriggers. At the same time the spatial performance and lateral stiffness of the structure are also enhanced. By analyzing several schemes using spatial finite element method, the influence of the stiffness and arrangement of outrigger on the shear lag effect of the outer frame-tube and lateral stiffness of the structure is discussed, and some advices of the layout of outrigger are put forward.

关 键 词：加强层 筒中筒结构 剪力滞后 刚度 水平加强层 结构空间 受力性能 筒中筒 剪力滞后效应 空间有限元分析 

分 类 号：TU973.2[建筑科学—结构工程]