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坡形梁因截面高度及弯矩值均沿梁变化,纵向配筋由危险截面的正截面强度计算确定。本文由此条件导出了各种坡形梁(包括矩形及 T 形截面,受均布及集中荷载作用)借助《钢筋砼结构计算手册》查算纵向配筋的计算公式及具体方法。该法概念明确,方法简便,查表计算过程与等截面梁计算相类似。文中附有例题,说明实际应用方法并便于与其它算法相互对照。
The beam height and bending moment of the slope beam change along the beam, and the longitudinal reinforcement is determined by the calculation of the normal section strength of the dangerous section. In this paper, a variety of sloped beams (including rectangular and T-shaped cross-sections, subjected to uniform distribution and concentrated loads) are derived from these conditions. With the help of the “Manual for Reinforced Concrete Structure Calculation”, the calculation formulas and specific methods for determining longitudinal reinforcements are derived. The concept of the law is clear and the method is simple. The calculation of the look-up table is similar to the calculation of the equal section beam. Examples are given in the text to illustrate actual application methods and to facilitate comparison with other algorithms.