smooth blasting

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

朔里煤礦煤巷與半煤巖巷控界光面爆破技術

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

光面爆破在快速掘進中的應用

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斷面巷道掘進中的應用

Factors affecting smooth surface blasting;

影響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.

本文詳細介紹了光面爆破的原理、光面爆破的方法、光面爆破參數的選擇、光面爆破的標準和光面爆破的優點,說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術應用日趨普遍 。

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藝,可以提高炮眼利用率,提高單進和工效,同時減少對圍巖的破壞,既提高了施工安全系數,又有利于巷道的支護,并降低了材料消耗,實現了礦井高產高效。

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

從實際爆破的情況來看,光面爆破的效果較好,有效的控制了隧洞的超欠挖現象。

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

在無壓段上層中導洞及兩側擴挖采用了光面爆破施工技術。

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

文章對炮眼深度、掏槽爆破、光面爆破、定向爆破等技術問題進行了探討。

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.

采用光面爆破掘進法,減小了對圍巖的擾動和破壞,確保了圍巖的完整性及自身的穩定性,與超前錨桿、噴錨網、U型鋼金屬架支護配合使用后,保證了礦塊回采進路的穩定性,同時為安全生產打下了良好的基礎。

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

在光面爆破的基礎上提出了光爆劈裂管爆破法 ,并通過試驗證實了此法的可行性、實用性、先進性 ,為黃金礦山井下采場頂板和井巷硐室的圍巖管理工作達到更高的目標提供了實用依

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標段1664577 m3石方爆破施工根據地形地質條件和設計要求,采取了藥壺爆破法、深孔爆破法和光面爆破法3種主要爆破方法。

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.

文章以渝懷線聾潭隧道為例 ,闡述了光面爆破技術的應用以及爆破參數的確定 ,施工過程質量控制和爆破效

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

本文對該隧道的光面爆破施工技術作了簡單介紹 ,總結了幾點體會。

To ensure the safety of blasting and treat the unfavourable situations in open-pit bench blasting under worse geological conditions,the quasi-smooth blasting was adopted.

通過改變爆破方法,采用準光面爆破技術;達到維護邊坡穩定、安全開采的目的。

Comparison between smooth blasting and multidimensional cumulative cutting blasting

光面爆破與多面聚能切割爆破的比較

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

軟弱圍巖中光面爆破掏槽孔方案研究

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

巖體巷道光面爆破參數的分析與應用

Application of Smooth Blasting with Medium Deep Holes in Mine Excavation

中深孔光面爆破在煤礦掘進中的應用

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

考慮損傷的光面爆破成縫分析及爆破參數的數值分析研究

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

工作面炮眼布置與巖巷掘進光面爆破技術

Analysis on the Influence of Geological Discontinuities on Smooth Blasting Effect

巖體結構面對光面爆破效果的影響分析

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

空氣間隔裝藥光面爆破在某巷道掘進中的應用

Application of Smooth Wall Blasting Technique in Unstable Developing Drift

光面爆破技術在不穩固采準巷道中的應用

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

硬巖巷道中深孔光面爆破技術研究和應用

Smooth Blasting Used in the Infirmness Preparatory Workings

光面爆破技術對不穩固采準巷道的應用

Smooth Blasting Technology Design in the Six River Hydropower Station

光面爆破技術設計在六道河水電站中的應用

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

巖體巷道光面爆破參數比較分析與應用

Application of the smooth blasting on the transparent ribbeam tunnel excavation

光面爆破在通透肋式拱梁隧道開挖中的應用

Application Discussion of Smooth Blasting Technique in Tunnel Excavation

光面爆破技術在隧道開挖中的應用研討

Application of Smooth Blasting in Huangqu Highway Slopes

光面爆破技術在黃衢高速公路邊坡的應用

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

京滬高速鐵路滕州隧道光面爆破施工技術

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

光面爆破在巖巷掘進時對巷道成形的重要性