In order to implement the proposed numerical procedure , a two - module computer program is developed with the computational module in visual fortran code and the data - input module in visual basic code . using the numerical procedure , two groups of slender composite columns of rectangular cross section are first analyzed . the obtained results are compared with the corresponding test results and good agreement is found 应用编制的计算程序首先对两组矩形截面组合长柱的试件进行了实例计算,并与试验结果作了比较,验证了计算方法和程序的正确性和有效性;同时就柱子长细比、荷载偏心距对长柱极限承载力的影响进行了较详细的数值分析和讨论。
As numerical examples , a slender composite column of rectangular cross section with embedded h - shape structural steel is first considered . the complete load - deflection curve is obtained and compared with the corresponding experimental results . the comparison demonstrates the validity and accuracy of the proposed method 应用编制的计算程序,首先对一配有工字型钢的矩形截面长柱进行了计算分析,获得了长柱的荷载-挠度全过程曲线,并与试验结果作了比较,验证了计算程序的正确性和有效性。
In this paper , considering the additional bending moments of the axial load about the lateral displacements ( i . e . the second - order effect ) , an iterative computer analysis procedure is proposed to predict the load - deformation relations and ultimate loads of steel - concrete composite columns of arbitrary cross section 本文考虑长柱在轴向荷载作用下的附加弯矩影响(二阶效应) ,提出了一种适用于任意截面形式钢-砼组合长柱的荷载-变形关系分析和极限承载力分析的数值迭代计算机方法。