摘要
论述了AQK大直径嵌岩扩底钻头的结构设计特点,阐述了新型扩底钻头的适应性和可靠性,对扩底钻头制造及钻扩施工过程中的关键问题提出了几点要求。
This paper discusses the structural design features of AQK large diameter rock-socketed belled drill, illustrates the adaptability and reliability of this new belled drill and puts forward some requirements to the key problems of belled drill manufacture and construction process.
出处
《探矿工程（岩土钻掘工程）》
2012年第11期37-38,43,共3页
Exploration Engineering:Rock & Soil Drilling and Tunneling
关键词
扩底钻头
大直径
扩底桩
belled drill
large diameter
belled pile
