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本文在综合、分析有关文献的基础上寻求一种新的途径,以解决钢筋混凝土双向偏心受压配筋计算中存在的若干实际问题。文中采用了最优布筋因子的概念,确定最合理的布筋形式,直接求得一组最优的或逼近最优的配筋量。在计算过程中,引进了迭代模式,同时直接引用规范(TJ 10-74)公式(65),不附加任何条件。本计算方法已编制成程序,可在PC-1500机上计算。
This article seeks a new approach on the basis of synthesis and analysis of relevant literature to solve some practical problems in calculation of reinforced concrete biaxial eccentric compression reinforcement. In this paper, the concept of optimal reinforcement factor is used to determine the most reasonable form of reinforcement, and a group of optimal or approximate optimal reinforcement amounts can be obtained directly. In the calculation process, an iterative model was introduced, and at the same time, directly reference the specification (TJ 10-74) formula (65) without any additional conditions. This calculation method has been compiled into a program that can be calculated on a PC-1500 machine.