顶进式框架桥的复合地基施工

Composite foundation construction of jacking constructed frame bridge

结合具体的工程概况,介绍了应用简易机具顶进式框架桥的桩体复合地基的施工准备及施工技术,采用了柱锤成孔、卷扬机提升、穿心锤击入钢筋混凝土预制方桩的施工方法,从而较成功地解决了桩体复合地基的施工问题。

Combined with practical work the preparation work and construction technology of the composite foundation of jacking constructed frame bridge with simple machines are introduced. Simple construction method using fairleader and piecing hammer are introduced, which is successful in deal with the construction problems of composite pile foundation.