夯扩桩施工技术及经济效益分析——新钢公园北村Ⅲ区、Ⅳ区住宅楼

Consturction Techniques of Ram Extension Pile and Analysis of Economic Benefit

阐述了夯扩桩施工技术要点及确保工程质量的措施。提出夯扩头最大直径计算方法 ,并对沉管桩和夯扩桩的经济效益进行分析比较。实践证明 ,夯扩桩为一种造价低、承载力高。

The main points of construction techniques of ram extension pile and the measure of guarantee engineering quality are described.The calculation methods of maximum diameter of ram extension hair is put forward.Meanwlile,economic benefit of heavy pipe pouring pile and ram extension pile are analysed,the results show that ram extension pile is a new pile with a low cost,high bearing capacity and good economic benefit.