研究焊缝长度、加劲肋和横隔板等对腹板应力的影响，探讨锚固区设计的进一步优化。
For further optimization design, the influences of weld length, stiffening rib and diaphragm plate for the web stresses distribution are studied and compared.
主跨加劲梁为钢箱梁，边跨加劲梁为预应力混凝土箱梁。
The stiffening beams of the side spans are prestressed concrete box beams.
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.
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