复杂岩溶地区桩基综合施工技术

桩基是桥梁受力的重要结构,如何确保在复杂岩溶地区桩基成孔、成桩的质量,对桥梁结构至关重要。该文结合武汉市二环线重点工程珞狮南路改造及配套工程高架桥桩基施工实例,介绍了在复杂岩溶地区的桩基施工技术;并针对不同岩溶,采取具有针对性的施工措施进行了较为全面的分析,通过实践证明获得了良好的效果。

Comprehensive Construction Technology of Pile Foundation in Complex Karsts Region

The pile foundation is an important load-bearing structure of the bridge. How to ensure the qualities of the completed hole and pile in the complex karsts areas is very important for the bridge structure. The article introduces the pile foundation construction technology of the complex karsts area by an example of Luoshi Road (S) Reconstruction in Wuhan City Second Ring Road Project and the supporting project of viaduct pile foundation construction. Aiming at the different karsts, the article completely analyzes the pertinent construction measures and proves the good effect achieved by the practices.