特殊地基综合处治施工技术研究——以山东地区某高速公路为例

Research on Construction Technology for Comprehensive Treatment of Special Foundation—Taking an Expressway in Shandong Province as an Example

文章针对山东地区某高速公路实际地质状况,对特殊地基区域工程地质特点、土质类别、施工处理阶段、处理后承载力状况进行了研究。主要介绍了沉管挤密碎石桩、水泥搅拌桩及预应力混凝土管桩的加固优势及施工工艺,最后经实践验证了所用特殊地基处理方法的合理性与有效性,以供参考。

According to the actual geological conditions of an expressway in Shandong Province,this paper studies the engineering geological characteristics,soil types,construction treatment stages and bearing capacity after treatment of the area with special foundation.It mainly introduces the reinforcement advantages and construction process of the immersed tube gravel compaction pile,cement mixing pile and prestressed concrete pipe pile.Finally,the rationality and effectiveness of the special foundation treatment methods have been verified through practice for reference.