In addition, the direct optimization method was concluded for biaxial symmetrical H-section beam and a Fortran programme was given to optimize H-section steel beam with frequently used spans.

• 本文还总结出双轴对称H型钢梁构件优化选型的直接算法，并利用枚举法编制了Fortran程序，计算了常用跨度H型钢梁选型的理论最优解。