小偏心受压构件相对受压区高度的较精确计算方法

Calculation Method of Relative Depth of Compression Zone in Compression Elements with Small Eccentricity

通过对GB50010-2002《混凝土结构设计规范》中小偏心受压构件相对受压区高度计算方法的分析,认为运用现行规范方法计算出的小偏心受压构件相对受压区高度在很多的情况下均与实际的小偏心受压构件相对受压区高度有较大的误差,这种误差将导致小偏心受压构件的配筋结果偏大或偏小。提出了一种简便的小偏心受压构件相对受压区高度的较精确计算方法,以期能使小偏心受压构件的配筋设计经济合理。

Based on the analysis about the calculation method of relative depth of compression zone in comsmall eccentricity as Code for Design of Concrete Structures （GBS0010 -2002 ）, it was believed that the relative depth of compression zone in compression elements with small eccentricity which was calculated by the method of the design code has a lager error compared with the actual one in many situations, and the error will lead to some more or some less requirement of reinforcement. To make the design for compression elements with small eccentricity more economical and reasonable a simple and much precise calculation method about the relative depth of compression zone in compression elements with small eccentricity was proposed in this paper.