tunneling是什么意思

网络释义

用法例句

The blasting hole arrangement of hard ductility rocks in the roadway excavation is discussed and explosive loading coefficient is determined.

介绍了该矿传统掘进凿岩爆破方法,详细阐述了该矿硬韧性岩的巷道掘进炮眼布设及装药系数的确定。

Study on the roadway excavation rapidly in the low permeability outburst coal seam;

针对在低透气性突出煤层巷道掘进过程中,煤与瓦斯突出综合检测指标经常超限,掘进速度缓慢等问题,提出了深孔预裂控制爆破和巷帮钻孔边抽边掘相结合的综合防突技术,研究了深孔预裂控制爆破技术的作用机理,阐述了深孔预裂控制爆破技术的工艺流程和巷帮钻孔的布置参数。

Research on Effect of Rockmass Joints and Fissures on Blasting in Tunneling and Its Practice;

岩体节理裂隙对巷道掘进爆破影响的研究与实践

Development of tunneling blasting expert system;

巷道掘进爆破专家系统研究开发

Application of the technique of pentagon hollow cutting-in in tunneling;

五角空心掏槽技术在巷道掘进中的应用

First the distribution laws of stress fields in the course of mine tunnel excavation are simulated by means of FLAC3D software,and the stress value in each unit is obtained.

首先通过FLAC3D软件对矿山巷道掘进过程中煤岩内部应力场分布规律进行了数值模拟,并提取了各个单元的应力值;然后根据数值模拟应力值和煤岩受压变形破裂过程中产生的电磁辐射(EME)强度与煤岩内部应力之间的力电耦合关系式研究了巷道掘进过程中产生的电磁辐射信号变化规律。

In this paper, the principle of surpersonic reflection is introduced briefly,it is emphasized the method that the features of rocks can be tested on_site by setting up the observation system of supersonic reflection in tunnel excavation and calculating the supersonic speed with the time graphs of reflected waves.

简述了超声波反射法的机理 ,介绍了在采矿掘进中建立超声波反射法的观测系统和用反射波相遇时距曲线法求超声波的速度 ,从而探测出巷道掘进所处位置上岩体特性的方

The distribution laws of stress fields in the course of mine tunnel excavation are simulated by means of FLAC2D software.

通过FLAC2D模拟了矿山巷道掘进过程中煤岩内部应力场的分布规律;根据提取的模拟计算应力值和煤岩受压变形破裂过程中产生的电磁辐射强度与煤岩内部应力之间的力电耦合关系式,对巷道掘进过程中产生的电磁辐射信号变化规律进行了研究。

Using common powder charge structure makes larger vibration damage to the surrounding rock when drifting, and it needs higher requirements to tunnel support which leads to higher final cost.

巷道掘进过程中采用普通装药结构对围岩振动损伤较大,导致对巷道支护要求高,支护成本增大;同时爆生气体温度较高,容易引起瓦斯和煤尘爆炸。

Application of Smooth Blasting Technology for Soft Rock Tunnelling;

光面爆破技术在软岩巷道掘进中的应用

In association with the blasting practice of the mine field, the empirical formula of explosive loading factor and the total number of blast hole is simplified in order to provide the experience of tunnelling.

文中引用巷道掘进中炸药单耗与布孔总数的经验计算公式,结合所在矿区的爆破实践,对经验式进行了简化,为巷道掘进提供了经验。

Middle-Deep Bore Blasting Experimental Study on Hard Rock Tunnel Heading

硬岩巷道掘进的中深孔爆破试验研究

Technology of Supporting Super High Roadway in Large-height Mining Face

大采高工作面超高巷道掘进支护技术

Practices of Laneway Driving and Supporting in Unstable Terrane

不稳固岩层中的巷道掘进与支护实践

Support Technology of Roadways Driving in Steep Middle Thick Coal Seam

急倾斜、中厚煤层巷道掘进支护技术

Application of FBG Sensors in Laneway Excavation

FBG传感器在巷道掘进中的应用研究

Application of Air-deck Charge for Smooth Blasting in Driving of a Drift

空气间隔装药光面爆破在某巷道掘进中的应用

Comprehensive Technical Study of Driving and Supporting for Drift in Powder Ore Mining

粉矿开采中巷道掘进与支护综合技术的研究

Numerical Simulation Studies on the Effects of Blasting Vibrationof Driving Laneway on the Surrounding Rock

巷道掘进爆破震动对围岩影响的数值模拟研究

The anchor net supporting application in high seam tunneling of Sanyuan coal industry

锚网支护在三元煤业厚煤层巷道掘进中的应用

The kibble hole arrangement optimization of tunnel digging blasting of Daanshan mine

大安山矿巷道掘进爆破掏槽孔布孔优化

The Study of the Celerity Single Tunneling Technique of the Horizontal Tunnel in the Second Shizuishan Mining;

石嘴山二矿水平巷道单巷快速掘进技术研究

Smooth Surface Demolition in Rock Alley Driving the Importance for That Tunnel Becomes Shape

光面爆破在岩巷掘进时对巷道成形的重要性

Outburst Prevention Technology Incoal Exposure in the Driving of the Open Seam Roadway

浅谈掘进穿煤层巷道的揭煤防突技术

Numerical Simulates Studying in roadway construction temperature field simulation

基于CFD技术的掘进巷道温度场模拟

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

To Open Up the Cave Tunnel Boring Cause of the Accident Analysis and Prevention and Control Measures

掘进巷道冒顶事故的原因及防治措施

Study on the maximal driving length of dummy drift in uranium mines

铀矿井独头巷道最大掘进长度的研究

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