The columns of the next tier are then extended, the jacks are re-stationed, and the floor slabs are lifted and fastened in the same sequence as above until all of them are in design position.

 
  • 然后接上上一层的柱子,千斤顶重新安装,楼板按上述同样顺序提升和搁置,直到所有楼板都处于设计位置为止。
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