excavating velocity

用法例句

In the mine laneway with coal and gas outburst,outburst prevention measures determined excavating velocity and construction safety.

在煤与瓦斯突出矿井的巷道施工中,防突措施的效果直接影响巷道掘进速度和施工安全,文中阐述了高压注水防突机理,并结合在新景矿芦南3#煤掘进煤巷施工中的效果检验,得出应用二次长孔高压注水防突措施在煤与瓦斯突出煤层煤巷掘进过程中的作用,对煤与瓦斯突出煤矿的煤巷掘进具有指导意义。

In this paper,the approach to advance excavating velocity of coal-rock drift and coal drift is analyzed,the improvement of drilling and blasting technology is mainly researched,operation organization is arranged rationally by means of system engineering method,some relative problems to realize quick excavation that should be paid attention to is also discussed.

分析了提高半煤岩、煤巷掘进速度的途径，着重研究钻爆工艺技术改进，利用系统工程的方法合理安排施工组织，并论述了实现快速掘进应注意的有关问题。

Prediction on penetration rate of TBM based on Monte Carlo-BP neural network

基于Monte Carlo-BP神经网络TBM掘进速度预测

The research on the application of smooth blasting in fast excavation;

光面爆破在快速掘进中的应用

Since carrying out the technology of"hydraulic tunneling",the rate descends evidently and the speed of excavation improves more than half a double and achieved the aim of safety fast excavation.

实施了水力挤出快速掘进技术后,效果检验超标率明显下降,掘进速度提高了一倍以上,实现了安全快速掘进。

Supplementary measure and technical transform of equipment in quick tunneling;

综掘快速掘进系统设备的配套和改造

This paper introduces the Geological conditions and surrounding environment of a certain city s shallow buried tunnel engineering, expounds the features and concrete measures of the quick tunneling construction technique, and points out that the meticulous organization and scientific management are the effective guarantees for realizing the quick tunneling of the urban tunnel.

介绍了某市浅埋隧道工程的地质条件与周围环境,阐述了快速掘进施工技术的特点与具体措施,指出精心组织、科学管理、坚持信息化原则是指导隧道快速施工的重要条件。

Brief Talks of Enhancing the Speed of Rapid Excavation of Comprehensive Bolting Support Tunnel

提高综掘锚杆支护巷道快速掘进速度的探讨

What caused the steep increase of the progress?

掘进速度提高的原因是什么?

Prediction on penetration rate of TBM based on Monte Carlo-BP neural network

基于Monte Carlo-BP神经网络TBM掘进速度预测

Safety is always the first consideration in tunneling and speed of advance is the second.

在掘进中，安全总是应该首先考虑的问题，掘进速度则放在第二位。

at the beginning of the construction the progress was only 20 centimeters a day. a few years later the tunneling speed increased to 2 meters a day.

在施工刚开始时，每天只能掘进20厘米，几年以后掘进速度提高到每天2米。

To get high rates of advance it is sometimes necessary to work on two, three or even four shifts a day.

为了取得高的掘进速度，有时有必要在一天内分两班、三班、甚至四班工作。

Selection on Depth and Diameter of Blasting Borehole for Rapid Heading of Mine Rock Roadway in Deep Level of Mine

煤矿深部岩巷快速掘进炮眼深度和直径选择

Several Measures to Realize Quick Driving at Outburst Prevention Heading Faces

防突掘进工作面实现快速掘进的几点措施

This method has the advantages of no need of dismantling the cutterhead at heading face place, no need of setting up vertical shaft or operation corridor, less construction difficulty, quick reparation and low cost.

该方法无需在掘进面拆解刀盘、建竖井或工作廊道，施工难度小，修复速度快，费用低。

Implemtation and Effect of Roadway Guide-Chamber High-Speed Driving Method at Coal Mines

煤巷导硐法快速掘进实施方法及效果

Rapid Tunneling Technology for Semi-coal Rock Tunnel in Sitai Coal Mine

四台矿半煤岩巷道快速掘进工艺技术

Difficulties for Predicting TBM Advance Rate and Countermeasures

预测TBM掘进速率的难点及对策研究

Rapid Passing Through Fault Technology of Fully Mechanized Gateway Driving

煤巷综合机械化掘进快速过断层技术

Big Cross Section Crag Lane High-speed Driving Construction Organization and Craft

大断面岩巷快速掘进施工组织和工艺

Discussion on Work Speed of Dipper Stick of a Hydraulic Excavator

液压挖掘机斗杆作业速度问题的探讨

To increase the speed of.

加速，促进加快…的速度

Quick Roadway Excavation with Hoisting by Air-return Shaft

利用进回风立井改绞实现矿井快速掘进

Study on Key Techniques of Fully-mechanized Fast Driving for Large Cross Section Coal Roadway;

大断面煤巷综掘锚杆支护快速掘进关键技术研究