沿着“箱”一侧设一道不宽的天井升降梯道。

A raise catwalk is made up along the side of the "chest".

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集中荷载作用下，具有较大跨宽比的悬臂箱梁的附加弯矩分布具有明显的局部性质。

Additional bending moments in the cantilever box girder with a large span width ratio are distributed locally under concentrated loads.

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整体式桥台的等代桩长、桥台纵向抗弯刚度、宽跨比及箱梁肋板间距等，是影响该类桥梁剪滞系数的主要因素。

It is proved that the main affecting factors include: equivalent pile length, bending stiffness of abutment, ratio of width to span, distance of webs, etc.

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