area of explosion

Controlled smooth blasting technology applied to seam gateway and semi coal-rock roadway in Shouli Mine;

朔里煤矿煤巷与半煤岩巷控界光面爆破技术

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

光面爆破在快速掘进中的应用

Application of smooth blasting one-step forming technology in drift driving for large-sized section;

光面爆破一次成型法在大断面巷道掘进中的应用

The technology problems of blasthole depth,cutting blasting,smooth wall blasting,and directional blasting is discussed.

文章对炮眼深度、掏槽爆破、光面爆破、定向爆破等技术问题进行了探讨。

Adopting smooth wall blasting in excavation can reduce the vibration and the fracture to the surrounding rock, also it can guarantee the surrounding rock's perfection and stability.

采用光面爆破掘进法,减小了对围岩的扰动和破坏,确保了围岩的完整性及自身的稳定性,与超前锚杆、喷锚网、U型钢金属架支护配合使用后,保证了矿块回采进路的稳定性,同时为安全生产打下了良好的基础。

Based on the smooth wall blasting technigue,smooth wall pipe split blasting technique is presented and the possibility, function and advantage of the method is confirmed by experiment,which contributed functional basis for effectivly managing the roof of under ground station and underground road rock of the gold min

在光面爆破的基础上提出了光爆劈裂管爆破法 ,并通过试验证实了此法的可行性、实用性、先进性 ,为黄金矿山井下采场顶板和井巷硐室的围岩管理工作达到更高的目标提供了实用依

Factors affecting smooth surface blasting;

影响光面爆破效果的因素分析

This article is detailed to introduce the principle,the method of smooth surface blasting,the choice of the parameter of smooth surface blasting,the standard and the advantage of smooth surface blasting,explaining the necessity of adopting smooth surface blasting.

本文详细介绍了光面爆破的原理、光面爆破的方法、光面爆破参数的选择、光面爆破的标准和光面爆破的优点,说明了采用光面爆破的必要性。

At present,the application of smooth surface blasting for hydraulic tunnel becomes more and more popular.

目前 ,水工隧洞光面爆破施工技术应用日趋普遍 。

By the middle deep hole opposite smooth blast can embrasure the utilization ratio of blast hole and the work efficiency,reduce the damage of surrounding rock,which not only can lift the safe parameters of building but also be favour of tunnel suport, cut down the lost of materials and achieve the high production and efficiency of mine.

采用中深孔反向光面爆破工艺,可以提高炮眼利用率,提高单进和工效,同时减少对围岩的破坏,既提高了施工安全系数,又有利于巷道的支护,并降低了材料消耗,实现了矿井高产高效。

In light of the actual blasting, the effect of the smooth blasting is better, with which overbreak or underbreak can be avoided effectively.

从实际爆破的情况来看,光面爆破的效果较好,有效的控制了隧洞的超欠挖现象。

smooth blasting technology had been taken to excavate the central pilot drift and to widening the both sides.

在无压段上层中导洞及两侧扩挖采用了光面爆破施工技术。

herbal-medicine-pot blasting,deep hole blasting and smoothwall blasting are used for the blast working of the 1664577 cubic meter rockwork.

京珠南高速公路22标段1664577 m3石方爆破施工根据地形地质条件和设计要求,采取了药壶爆破法、深孔爆破法和光面爆破法3种主要爆破方法。

This paper describes the application of smoothwall blasting technique,the selection of explosion parameters,the quality control of construction process and result of smoothwall blasting,based on the example of Longtan Tunnel on Chengdu-Huaihua Railway Line.

文章以渝怀线聋潭隧道为例 ,阐述了光面爆破技术的应用以及爆破参数的确定 ,施工过程质量控制和爆破效

The result of smoothwall blasting directly influences on the quality of liner concrete.

本文对该隧道的光面爆破施工技术作了简单介绍 ,总结了几点体会。

Comparison between smooth blasting and multidimensional cumulative cutting blasting

光面爆破与多面聚能切割爆破的比较

Study of Method of Conducting Smooth Blasting in Weak and Soft Surrounding Rocks

软弱围岩中光面爆破掏槽孔方案研究

Analysis of smooth blasting parameter on tunnels in soft-fractured rock mass

岩体巷道光面爆破参数的分析与应用

Application of Smooth Blasting with Medium Deep Holes in Mine Excavation

中深孔光面爆破在煤矿掘进中的应用

Crack Analysis of Rock and Numerical Analysis on Some Parameters Considering Damage in Smooth Blasting;

考虑损伤的光面爆破成缝分析及爆破参数的数值分析研究

Arrangement of Face Blast Holes and Smooth Blasting Technology in Rock Roadway Driving

工作面炮眼布置与岩巷掘进光面爆破技术

Analysis on the Influence of Geological Discontinuities on Smooth Blasting Effect

岩体结构面对光面爆破效果的影响分析

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

Application of Smooth Wall Blasting Technique in Unstable Developing Drift

光面爆破技术在不稳固采准巷道中的应用

Technical Study and Application on Middle Deep Hole Smooth Blasting for Hard Rock Tunnel;

硬岩巷道中深孔光面爆破技术研究和应用

Smooth Blasting Used in the Infirmness Preparatory Workings

光面爆破技术对不稳固采准巷道的应用

Smooth Blasting Technology Design in the Six River Hydropower Station

光面爆破技术设计在六道河水电站中的应用

Application and Comparative Analysis on Smooth Blasting Parameters of Rock Mass Tunnels

岩体巷道光面爆破参数比较分析与应用

Application of the smooth blasting on the transparent ribbeam tunnel excavation

光面爆破在通透肋式拱梁隧道开挖中的应用

Application Discussion of Smooth Blasting Technique in Tunnel Excavation

光面爆破技术在隧道开挖中的应用研讨

Application of Smooth Blasting in Huangqu Highway Slopes

光面爆破技术在黄衢高速公路边坡的应用

SMOOTH BLASTING TECHNOLOGY IN TENGZHOU TUNNEL OF BEIJING-SHANGHAI HIGH SPEED RAILWAY CONSTRUCTION

京沪高速铁路滕州隧道光面爆破施工技术

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