旋挖钻机配套集束式潜孔锤硬岩施工方法研究  

Study on Hard Rock Drilling Construction by Rotary Drilling Rig Matched with Cluster DTH Hammer

作　　者：牛庆磊[1] 吕永亮[2] 贾炜[1] 王三牛[1] 史兵言[1] 

机构地区：[1]中国地质科学院勘探技术研究所,河北廊坊065000 [2]吉林大学应用技术学院,吉林长春130021

出　　处：《探矿工程（岩土钻掘工程）》2015年第12期57-60,共4页Exploration Engineering:Rock & Soil Drilling and Tunneling

基　　金：中国地质调查局地质调查项目"松辽盆地资源与环境深部钻探工程"之"深孔扩孔钻进技术应用研究"(编号:12120113017600);科技部科研院所专项项目"矿山应急抢险救灾快速成孔技术研究及应用"(编码:2013EG130020)

摘　　要：针对旋挖钻机在大口径硬岩地层嵌岩桩施工困难的问题,采用旋挖钻机配套集束式潜孔锤的解决方案,设计了JSQ-Z正循环及JSQ-F反循环2种类型集束式潜孔锤,并提出了3种施工方法及钻具配套方案,使旋挖大口径硬岩施工更加快速、高效、经济。According to the difficulties for rotary drilling rig in large diameter rock-socketed pile construction in hard rocks, cluster DTH hammer is matched as the solution. JSQ - Z positive circulation and JSQ - F reverse circulation cluster DTH hammers were designed, 3 kinds of construction methods and drilling tools matching scheme are presented, which makes large diameter rotary drilling in hard rocks more rapid, efficient and economical.

关 键 词：旋挖钻机 集束式潜孔锤 反循环 嵌岩桩 

分 类 号：P634[天文地球—地质矿产勘探]