钢筋混凝土受弯构件正截面承载力计算的优化与简捷算法

Optimization and Short Cut Method on Carrying Capacity Calculation of Tangent Planeof Bending Members of Reinforced Concrete

对钢筋混凝土受弯构件截面提出一种优化设计和截面承载力的简捷计算方法,这种方法可大大加快截面设计速度。利用受弯构件计算公式的高速收敛性,将迭代法应用于受弯构件正截面承载力计算设计中,不需要查表或解方程,即可快速确定截面中性轴高度,计算出配筋。该法适用于各种截面型式,具有满足工程要求的精度。

The paper presents an opaimization design of tangent plane of bending members of renforced concrete and a short cut computing method of carrying capacity,which may greatly quicken the design speed of tangent plane.Through the high speed convergence of computing formula of bending members ,the paper uses the iteration method in computing desigh of theri carrying capacity without table lookup and derivation of formula,height of the neutral axis will be quickly determined and reinforcing can be figured out.The method is true of various tangent planes and meets the precision by projects.