Although each topography and geological conditions of dam, dam material characteristic is different, but in the dam body, the material partition, roughly on the filling process is the same.
虽然每座坝的地形地质条件、筑坝材料特性有所差别，但在坝体体型、材料分区、填筑工序上大致都是相同的。
The steel bar of midspan also come to the yield strength when the load increased. At this time, the caisson has been destroyed, because the partition wall has already been a variable body system.
两端加强角处钢筋首先达到屈服，形成塑性铰，荷载继续增大时，中间钢筋也达到屈服，此时沉箱隔墙已相当于一个可变体系，可认为结构已经破坏。
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