跨河复杂地质段超深灌注桩的施工技术研究

Research on Construction Technology of Ultra Deep Cast-in-place Piles in Complex Geological Sections Across River

此次研究以中开高速公路桥梁工程建设项目作为研究案例,着重对深水桩基施工技术进行研究分析,研究内容包括:钻机选择、钻孔技术、大型钢筋笼吊装、混凝土浇筑等等。并阐述深水桩基施工技术的施工关键点,针对桩基施工过程中钢筋笼的吊装问题进行研究,总结出一套高效的施工工艺,此次研究意在提高深水桥梁桩基的施工质量,推动我国桥梁建设工程获得进一步的发展。

This study takes the bridge construction project of Zhongkai Expressway as an example,focusing on the research and analysis of deepwater pile foundation construction technology.The research content includes:drilling rig selection,drilling technology,large-scale steel cage hoisting,and concrete pouring.It elaborates on the key construction points of deepwater pile foundation construction technology,conducts research on the lifting of steel cages during pile foundation construction,and summarizes an efficient construction process.This study aims to improve the construction quality of deepwater bridge pile foundations and promote further development of bridge construction projects in China.