摘要
本文介绍钻孔扩底灌注桩的施工新工艺、多应式扩底钻头特点、成桩技术标准。
This paper intruduces the new construction technology of injection pile formed by extending drill hole bottom.It analyses its characteristics of extensive bottom drill bit,technological standard of injection pile,its suit range and economical benefit.
出处
《华东地质学院学报》
1997年第1期30-34,共5页
Journal of East China Geological Institute
