【摘要】 较系统地介绍了外包钢构件的分析方法，导出了确定中性轴位置的公式，用数据和图形说明了中性轴的位置随参量的变化情况，简述了截面最大应力和挠度的计算等。更多还原

【Abstract】 This paper systematically present methods for analyzing the steel outside wrapping member, works out the formula which is used on how to detemine the position of a neutral axis. Date and pictures are used to illustrate how the postion of a neutral axis varies with a parameter. The paper also describes the calculation of the biggest stress of a section and deflection.更多还原