The computational formula for the local stability of beam webs is based on the assumption of infiniteelastic perfect plates in the former Code for Design of Steel Structures(GBJ1788).

• 前钢结构设计规范(GBJ17-88)中有关梁腹板局部稳定的计算公式来源于无限弹性完善板假定,一方面与构件的实际工作状况有一定出入,导致计算结果有时会偏于不安全;