Carryng out rock drilling in shifts in the construction of ramp;
凿岩滚班制作业循环在斜坡道施工中的应用
The rock drilling rate, service life and tungsten carbide toothavailability of the series of bits are obviously better than those of chip and button type bits.
该系列钎具凿岩速度、寿命和硬质合金片齿有效利用率均显著优于片状和球齿钎具。
The kinematics equations of the booms of rock drilling are established.
为实现凿岩机器人钻臂在凿岩过程中的自动定位，建立了多关节钻臂的运动学方程；根据钻臂的实际工作特点和工作范围提出了一种求逆解的方法。
This text introduced the practice method of the box permanent steel petroleum derrick shaft sinking in the construction of vertical shaft pit shaft.
在立井井筒建设中,我们在原设计的基础上,对箱形永久钢井架凿井的实际方法作了改进。
Monitoring for sidewall safety in deep alluvium freezing shaft sinking engineering is discussed in the paper.
重点介绍了深厚表土中冻结法凿井的井壁安全监测技术,利用现代计算机控制和远程通信技术,通过电话网和调制解调器,借助预埋的传感器,经过信息的分析和反演,实现了冻结法凿井中对井壁的远程全自动安全监测。
Through the practice of Guqiao auxiliary shaft construction, this paper discusses how to increase the shaft sinking velocity with the existing technology and equipment.
如何利用国内现有的凿井技术、凿井设备提高建井速度,本文通过对顾桥副井的建井实例进行了深入的分析探讨。
Approaching on wear of hard alloy using drilling;
凿岩用硬质合金的磨损行为初探
An Automatic Control Program of Single-hole Drilling Proce-dure with Full-Hydraulic Cavation Drill-Cabel;
全液压掘进钻车单孔凿岩程序自动控制方案
This paper describes the rectification of drilling and b.
文章介绍了通过调整凿岩爆破参数，改变炮孔布置方式而达到降低爆破成本、改善爆破效果的目的。
Combining the notice of controlling quality common fault issued by Quality Supervision General Station of the Ministry of Communications,this paper presents the construction measures to remove concrete surface roughing problem using a special material.
结合交通部质量监督总站的关于治理质量通病活动的通知,介绍项目部采用该材料消除混凝土表面凿毛质量通病的施工措施,注意事项,效果和材料性能。