【摘要】 本文利用牛顿法，建立了直接求解受压区混凝土截面面积与全截面面积的比值α的数值计算公式，避免了解超越方程，该法具有简单、快捷和计算精度高等优点。更多还原

【Abstract】 In this paper,by use of Newton Formula, numerical calculation formulae about the ratio of the area of the concrete compression zone to the area of the member are foundcl.Extracting a root from transcendental equation is evaded. This method has many advantages such as simplicity, high-speed and high - precision etc.更多还原