The main girders support i-section transverse ribs.
主梁支承着工字梁的横向肋。
The local buckling of web plates in I-girders under wheel loading has been rarely investigated, due to the unknown distribution of bearing stresses in the web plates.
目前，吊车轮压荷载作用下工字梁腹板的局部屈曲鲜有研究，这主要是由于无法得到轮压荷载作用下承压应力在腹板内的分布规律。
Local load, or patch load, which is applied perpendicular to the flange of I-girders and transferred to the web, occurs in various situations in steel structures.
钢结构工程中经常遇到一定宽度的均布荷载通过翼缘传递到腹板上的情况，这种荷载称为局部荷载。
Local load, or patch load, which is applied perpendicular to the flange of I-girders and transferred to the web, occurs in various situations in steel structures.
钢结构工程中经常遇到一定宽度的均布荷载通过翼缘传递到腹板上的情况，这种荷载称为局部荷载。
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