（中国中元兴华工程公司  北京100089)
［提要］悬挑楼梯属于空间受力体系，受力复杂，计算繁琐。介绍了一种简易可行的钢筋混凝土悬挑楼梯计算方法：在外力作用下，将楼梯梯段板简化为一个受拉，一个受压。根据计算假定进行悬挑楼梯的内力分析，计算出钢筋截面面积，并提出相应的构造要求。经过对比分析，计算结果与板的相互作用法一致。
［关键词］剪刀楼梯；梯段板；平面内弯矩；平面外弯矩；暗梁
Structural Design for RC Cantilever Stair/Jiang Zhongguo,Gu Demin(China IPPR Eng. Co.,Beijing 100089,China)Abstract:Cantilever stair is a space system, and traditional design method for it is very tedious. A simplified method is presented, in which stair plates are assumed as pull and pressed members. The constructional details and calculation process are also given. The final results are very good compared with analytical methods.
Keywords:cantilever stair; stair plate; momentinplane; momentoutplane; plate beam