In this paper,the technique of drilling and blasting dealing with the disconnected side under shallow water is studied.
文章通过分析现有浅水钻孔爆破的现状，对处理浅水间断面水下爆破技术进行了研究。
In view of the shortage of Sodev s empirical formula which doesn t involve the free surface area,the calculating formula of vibration velocity in drilling blasting is put forward which can reflect the characteristics of the free surface area affecting the seismic intensity of blasting.
针对萨道夫斯基公式不能反映钻孔爆破自由面尺寸影响的不足,提出了可体现自由面面积对爆破震动强度产生较大影响这一特点的钻孔爆破振动速度计算公式。
On the basis of practically measured data from seismic wave in a tunnel driving blasting, it is found, from analyzing the variation characteristics of vibration velocites of tunnel slope and surface under different explosive conditions, that the vibration velocity of a measured point is related to the free surface of drilling blasting besides the dose and blasting distance.
以人和场浅埋隧道掘进爆破的地震波实测数据为基础,通过分析隧道边墙和地表振动速度在不同爆破条件下的变化特征发现,同一测点的振动速度除了与药量、爆源距有关外,还与钻孔爆破的自由面条件有关。
This article introduces Fenhe reservoir rock plug blasting practice, which was carried out in the thick layer of silt underwater and chamber blasting plus drilling method was adopted.
介绍了汾河水库泄洪隧洞进水口岩塞爆破的方案 ,该隧洞既在水下又在较厚淤泥下 ,因此采用了洞室加钻孔爆破方案。
Based on analysis of the mechanism of drill hole explosion and diluted hydrochloric acid well cleaning, unified well cleaning method is put forward.
在分析钻孔径裂爆破作用和稀盐酸酸化洗井处理的基础上 ,提出了钻孔径裂爆破和稀盐酸联合洗井工艺 ,5眼基岩区水井工程实例证明 ,这种洗井工艺效果显著 ,值得推广。
Research of the Attenuation Rule of the Water Shock Wave Effect for Underwater Drilling Blasting
水下钻孔爆破水击波衰减规律的研究
AHP-Fuzzy in Underwater Drilling and Blasting Construction
水下钻孔爆破施工的AHP-Fuzzy技术
Numerical Simulation of Different Detonation Modes for Underwater Drilling Blast
水下钻孔爆破不同起爆方式的数值模拟
The Safety Assessment of Fault During the Underwater Hole Blasting Construct;
水下钻孔爆破施工过程事故的安全评价
Borehole Blasting with Water-couple Charge and Its Application in Tunnel Engineering
水介质耦合钻孔爆破及其在隧道工程中的应用
Numerical Simulation of Shock Wave in Water of Underwater Drilling Blasting
水下钻孔爆破水中冲击波的数值模拟研究
The Application of Deep Pore Loosening Control Blasting in Bridge Bored Pile Construction
深孔松动控制爆破在桥梁钻孔桩施工中的应用
CONSTRUCTION SCHEDULE ADVANCEMENT OF DRILLING PILE BY DEEP HOLE WATER PRESSURE BLASTING
采取深孔水压爆破提高钻孔桩施工进度
Practice on Relieving Shot Controlled by Borehole and Increasing Air Permeability Coefficient of Seam
钻孔控制卸压爆破增加煤层透气性系数的实践
Effect Analysis of Experiental Stage on Mohaupt Blasting with Drilling Through Coal Seams in Cuimiao Coal Mine
崔庙煤矿穿层钻孔聚能爆破实验阶段效果分析
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
Colloidal particles are formed in considerable amounts in hard-rock drilling and blasting operation.
在硬岩石钻孔和爆破作业中，大量地生成胶体粒子。
Testing Research of Laneway Wall Rock Stress Released by Advanced Bore Decompression Explosion Technique
超前钻孔卸压爆破技术释放巷道围岩应力试验研究
Rotary drilling machine replacing downhole drill to accomplish controllable blasting of slope
牙轮钻取代边坡钻完成边帮控制爆破
long hole raising
深孔爆破法天井掘进
The features parameters selection and ignition plan of rat hole blasting are studied.
研究了斜孔爆破的特点、孔爆破参数的选择及起爆方案。
Research on Mechanics of Charging Structure of Bottom Gas-Space in Deep-hole Blasting Engineering;
中深孔爆破孔底空腔装药机理的研究
Explosive Excavation Technique in Manual Excavation Piles;
爆破成孔技术在人工挖孔桩中的应用