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魏 琏 王 森
(中国建筑科学研究院深圳分院 深圳 518028)[提要] 对《钢筋混凝土异形柱设计规程)( DBJ/T15-15-95)中T形和L形截面柱的计算方法进行了探讨。作者认为作用于L形截面非对称轴弯矩较大时,以及作用于L形截面的双向弯矩值较大时,规程的方法是不合理的,并通过算例进行了验证,以引起设计人员的注意。
[关键词] 异形柱 钢筋混凝土 T形截面 L形截面 计算方法 结构设计The calculation method of T-shaped and L-shaped columns presented by Specification for Design of Reinforcement Concrete Special-shaped Columns (DBJ/T15-15-95) is discussed. The calculation method is not very rational when the moment on the unsymmetrical plan of T-shaped columns or the compound bending moment on L-shaped c,olumns is big.lt is proved by an example. The designers must pay attention to it.
Keywords: special-shaped columns; reinforcement concrete; 'r-shaped section; L-shaped section; calculation method; structure design