Optimization of Construction Plan for Underwater Pier Cofferdam of Qujiang Extra Large Bridge with Low Tower and Cable-stayed Bridge
Based on the underwater pier construction of the Qujiang Extra Large Bridge's low tower cable-stayed bridge,the cofferdam construction plan is optimized.The construction technology scheme of"island building+locking pile cofferdam"is proposed.The construction of the island platform was carried out first,followed by the construction of the locking steel pipe pile cofferdam,which successfully solved the problem of difficult underwater construction and the inability to synchronize the construction of bridge piles,locking pile cofferdams,and overpasses,effectively shortening the construction period.The construction process of using pre drilled holes to insert locking steel pipe piles has solved the problem of inserting locking steel pipe piles into rocks.
island constructionlocking steel pipe pile cofferdamwater pierconstruction planoptimization
万方数据
维普
