为了提高腹板的临界应力，通常都设有腹板横向加劲肋，有时还在梁中段加设纵向加劲肋。
To raise the critical stress of the web, we always lay some transverse stiffeners on the web, and also lay some longitudinal stiffeners sometime.
最后着重介绍的设计要点有：横向抗倾覆稳定计算、纵向加劲肋设置、横梁计算、人孔设置、钢结构涂装等。
Finally, several design points were emphasized such as transverse anti-overturning stability calculation, vertical stiffener layout, beam calculation, manhole and steel structure coating, etc.
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