Sutong Bridge located in the tidal reach adopts the pile-group foundation with large-diameter and over-length bored piles working with the steel casing together.

位于潮汐河段的苏通大桥采用大直径、超长钻孔灌注群桩基础，而且需要考虑钢护筒的共同作用。

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As the truck was entering the bridge, its load -- which Rudeen described as an equipment casing form for a drill rig -- hit a support girder, causing the bridge to collapse.

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