永定河首钢大桥中墩承台基坑支护技术

Foundation Pit Support Technology of Middle Pier Bearing Platform of Yongding River Shougang Bridge

结合北京市永定河首钢大桥中墩承台基坑支护,深入比选了不同型式支护方案,对排桩+内支撑方案设计、施工进行了详细介绍,并进行了相关技术总结。

Combined with support technology of the foundation pit of the middle pier bearing platform of the Yongding River Shougang Bridge in Beijing,different types of support schemes are compared and selected in depth,and the design and construction of the row piles+internal support schemes are introduced in detail,and the relevant technology is summarized.