摘要
随着钻孔桩成桩技术的演化与发展，促进了新的钻进工艺与设备的推广应用。在综合国内外最新技术资料的基础上，介绍了多种新的钻进工艺方法、设备和工具，可供国内同行学习借鉴。
Accordining to the modification and development of boreho1e construction techniques.
Utilzation of new drill technologies equipment are promoted. This paper on the basis of summar-
ied this achievements, to iotroduce a lot of new dril1ing nethods, equipment and tools, present to
the colleagues for reccomandation.
出处
《探矿工程》
1993年第4期1-7,共7页
Exploration Engineering(Drilling & Tunneling)
