blasting action

This paper expounds the targets and functions of the application of the water-stem in the coal mines taking the holing and blasting as the main mining methods, and puts forward various adopted methods and the efficiency of the water-stem in the silo blasting operation.

阐述了以打眼、放炮为主要采掘方式的煤矿使用水炮泥的目的和作用,给出了水炮泥在井下爆破作业中的多种使用方法及其功效。

The coal face of blasting mine in underground coal mine is a very complicated system of disaster environment, the spatio-temporal limit increases the accident probability of blasting operations.

　煤矿井下炮采工作面是一个非常复杂的灾害环境系统,又由于时间、空间的限制,使得炮采工作面爆破作业引发事故的可能性增加。

Blasting operation is one of the important ways of banning lawless oil refineries in Daqing Oilfield,and the safety of blasting operation is the important guarantee of the blasting banning work.

详细介绍了大庆油田采用外敷药包爆破技术来爆破拆除非法炼油点的设计和施工过程,并通过对爆破作业安全管理的分析,提出严密的安全管理体系是顺利完成爆破取缔非法炼油点工作的保证。

Study on Cumulative Damage Effects and Stability of Rock Mass under Blasting Loading;

爆破作用下岩体累积损伤效应及其稳定性研究

Extended Charge in Linear Explosion Effect and Numerical SimuLation in a Single Free Surface;

单自由面条件下延长药包爆破作用及数值模拟

Study on Motion Law of the Weak Intercalation of Rock under Blasting

爆破作用下岩体软弱夹层运动规律的研究

Application of blasting technique is an important link in blasting work.

爆破技术应用是爆破工作的重要环节。

Experimental Study on the Action of Detonation Gas under Cutting Seam Cartridge Blasting

切缝药包爆破中爆生气体作用的试验研究

Application of Shock Presplit Blasting on 21st Coal Working Face

松动预裂爆破在21煤工作面的应用

Slope stability under the action of vibrations induced by blasting

爆破震动作用下高陡边坡稳定性分析

Study on Enclosing Rock of Deep Tunnel Well Destruction Character under Blasting Shock Effect;

爆破震动作用下深井巷道围岩破坏特征研究

Experiment Research of Slope Rock Damage under Blasting Loading

爆破荷载作用下边坡岩体损伤破坏的试验研究

The Cause Analysis of the Damage Structure under the Seismic Effect of Explosions

爆破地震作用下房屋结构破坏原因分析

Bench blasting is the most usual type of blasting work.

梯段爆破是最常用的爆破工程之一。

On the Application of Outer-hole Blast in Medium Length Hole

孔外延期爆破在中深孔爆破中的应用

Analysis and application of action mechanism of water medium in soaking-hole blast

浸水炮孔爆破水介质作用机理分析及应用

The blast wind has then effectively ceased and the direct destructive action of the air blast is over.

爆震风已有效地停止了，于是空中爆震波的直接破坏作用就完结了。

Reducing Shake Action of Network Detonators Hole-by-hole Detonating Technology in Mine Blasting

网络雷管逐孔起爆技术在矿山爆破中的降震作用探讨

Role of Network Detonator's Hole-by-hole Blasting Technology in Blast-induced Vibration Reduction

网络雷管逐孔起爆技术在昆钢龙山石灰石矿爆破中的降震作用

Study on Critical Failure Vibration Velocity of Underground Chambers under Action of Blasting Vibration

爆破振动作用下地下洞室临界振速的研究

Research and Application in Combined Shaft Operation of the Deep Bore Blasting Technique

立井混合作业深孔爆破技术研究与应用