Positioning and Erection Technology of Super High and Super Heavy Shaped Steel Arch Rib
The steel arch rib of Qilu Yellow River Bridge is a pentagonal special-shaped arch rib,which has slopes in both horizontal and vertical directions.The steel arch rib can only be welded when it is adjusted to the appropriate space posture,and a cushion adjustment system is required to meet this condition.In the paper,the design idea and design method of the support cushion regulation system is introduced.
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