YCJF-20型冲击反循环钻机进行地下连续墙成槽施工技术  

Trenching Construction Technology of Underground Diaphragm Wall by YCJF-20 Percussive and Reverse Circulation Rig

作　　者：杨东河 刘珂 夏小兴 王国伟 张永春 李绍琳 YANG Dong-he;LIU Ke;XIA Xiao-xing;WANG Guo-wei;ZHANG Yong-chun;LI Shao-lin(No.1 Institute of Geology and Mineral Resources of Shandong Province,Jinan Shandong 250014,China)

机构地区：[1]山东省第一地质矿产勘查院,山东济南250014

出　　处：《探矿工程（岩土钻掘工程）》2018年第11期65-68,共4页Exploration Engineering:Rock & Soil Drilling and Tunneling

摘　　要：成槽施工是地下连续墙施工的重要工序,厦门地铁3号线湖滨东路站地下连续墙施工中采用YCJF-20型冲击反循环钻机冲击钻进法进行成槽施工。介绍了YCJF-20型钻机的主要技术参数、特点和工作原理,以及导墙和导孔施工、钻机布置、泥浆制备、冲钻成槽等成槽施工过程。The trenching construction is an important process for underground diaphragm wall,YCJF-20 percussive and reverse circulation rig is used in trenching construction of underground diaphragm wall in a station of Xiamen metro line 3.This paper introduces YCJF-20 rig about its main technical parameters,characteristics and working principles,as well as the construction process of guide wall and guide hole,drilling rig layout,mud preparation and trenching by percussive drilling.

关 键 词：地下连续墙 YCJF-20型冲击反循环钻机 冲击钻进 成槽施工 专用锤头 

分 类 号：TU476.3[建筑科学—结构工程] P634.31[建筑科学—土工工程]