短肢剪力墙的剪滞效应及其影响分析

Shear lag in short leg walls and its effects

本文将异形截面短肢剪力墙视为各墙肢共同工作、相互协调的空间板系构件,采用平板壳元建立了短肢剪力墙的空间分析有限元模型,深入探析了横力作用下短肢剪力墙中剪滞效应的形态、存在范围、产生原因、影响因素等.并用翼板有效宽度度量了剪滞效应对短肢剪力墙工作性能的影响.

In this article, the special shaped short leg walls are handled as a space plane-structure,where the legs work jointly and coordinately . Based on the calculation results of finite element model, the pattern, the existing scope, occurring condition, and influence actors of shear lag in short leg walls are deeply studied in this paper. To measure the degree the short leg walls are affected by shear lag, the effective width of the flank are calculated and given.