工程结构中受压构件的临界屈曲载荷的计算，是按理想端部约束条件求得的。
The calculation of critical buckling load of struts is according to the condition of the end restraint.
利用连接构件之间约束作用，钢构件的稳定临界荷载可以得到显著的提高，节约大量的钢材。
If these elastic restraints action of buckling resistance is taken into account the critical loads of steel members may apparentely been increased and plenty of steel material is saved.
对Q235钢材、C30混凝土短柱构件的计算结果表明，钢管的最小临界径厚比为1700左右。
Calculation for short columns using Grade Q235 steel tube filled with Grade C30 concrete indicates that the critical diameter to thickness ratio of steel tubes is about 1700.
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