摘要
论述了大直径嵌岩桩孔钻进的现状、发展趋势,阐述了大直径环式组合潜孔锤的工作原理、结构设计、钻进工艺方法,对设计加工的HC-15型环式组合潜孔锤钻具进行了室内模拟试验,并对试验结果进行分析总结。
Present situation and developing trending of full diameter inset -rock pile drilling have been discussed. Working principle, structural design, and drilling technology of full diameter ring combination drowning drift is introduced. Simulation experiment of designed HC - 15 type ring combination drowning drift is conducted and the testing results are summarized.
出处
《地质与勘探》
CAS
CSCD
北大核心
2006年第2期90-92,96,共4页
Geology and Exploration
关键词
大直径
环式组合潜孔锤
压气闭式循环
泵吸反循环
full diameter, ring combination drowning drift, air injection closed cycle, pump suction reverse circulation
