1) drivage ratio
掘进率
1.
Optimizing roadway arrangement way unceasingly,reducing the tunnel drivage ratio is an important task in the mine mining design process.
不断优化巷道布置方式,降低巷道掘进率,是矿井开采设计过程中的一项非常重要任务。
2) tunneling efficiency
掘进效率
1.
This optimization has brought about real increase in tunneling efficiency,thus solved the problem of tunneling in the unstable coal seam.
工程实践中取消了现有的小断面工钢支护,采用了大断面U型钢支护,真正实现掘进效率的提高,解决了豫西地区不稳定煤层巷道掘进的难题。
3) roadway drivage ratio
巷道掘进率
4) rational drivage rate
合理掘进率
1.
Mine rational drivage rate is a very important role in banlancing coal cutting and driving.
合理掘进率对矿井采掘平衡具有重要的作用。
5) TBM driving rate
TBM掘进速率
1.
The FLAC3D program,which contains loading and unloading criteria,is adopted to analyze the excavation disturbed zone and stability in surrounding rock of tunnel with various TBM driving rates.
结果显示:掘进速率越快,围岩开挖扰动效应越小,围岩越稳定;隧洞围岩在开挖后变形较为均匀;在隧洞的径向,位移和应力变化较为明显的呈现为3个区域,即强变化区、弱变化区和平稳区;最大主应力随着洞径方向逐渐由单向应力状态向二向应力状态和三向应力状态转变,第二偏应力不变量在隧洞轴向方向形成一闭合的应力集中区域,称为"应力墙",该区域在TBM掘进过程中对刀头切割岩体达到破岩的效果极为有利;隧洞围岩开挖扰动区随TBM掘进速率变化较大,当掘进速率增加一倍后,其扰动区由1。
6) tunneling
[英]['tʌnəlɪŋ] [美]['tʌnəlɪŋ]
掘进
1.
Analysis of the Operation of ST-1.5 Scrapers in Tunneling;
ST-1.5型铲运机在掘进中的运行分析
2.
Computer application in mechanized slope tunneling;
计算机在斜井机械化掘进中的应用
3.
Experimental Research on Quickly Tunneling Technique about Thin Seam under Complicated Geological Conditions
薄煤层复杂地质条件下掘进支护技术研究
补充资料：电导率(见电阻率)
电导率(见电阻率)
conductivity
d!日nd日O}已电导率(eonduetivity)见电阻率。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条