带外挑梁的构造柱受力性能研究

Study on Behavior of Constructional Column with Cantilever Beam under Load

采用有限元方法分析了9组带外挑梁的构造柱在均布面荷载作用下的线弹性阶段的受力性能,并分析了影响构造柱受力的各种因素,对所得的数据采用多元线性回归,得出了考虑与墙体相互作用后该类型构造柱柱底截面平均应力的线弹性计算公式.通过与有限元计算值对比,该公式是可行的、偏于安全的.

The finite element method is used to analyse the behavior of nine models which are designed through one of the orthogonal way,L_9(3~4).And the factors influencing the behavior are analysed in this article.The formula is obtained from the average stress at the bottom of the constructional column through linear (regression.)Compared with the result of FEM,the formula is receptive and safe.