Application of millisecond blasting technology in Lanping open-pit mine;
微差爆破技术在兰坪露天矿的应用
In millisecond blasting engineering, the designed or selected time of delay is always different from the practical time of delay due to the delay errors of plain detonators, and influences the effect and successful implementation.
在微差爆破工程中,由于延期微差时间往往与实际延期时间有较大出入,影响了微差爆破的效果和顺利实施。
To increase lump coal ratio in stopes, a scheme is put forward for coal falling by loose pre-shearing millisecond blasting, and hole arrangement parameters and blasting parameters are adjusted.
为提高炮采面块煤率 ,提出了松动预裂微差爆破的落煤方案 ,并对布孔参数和爆破参数进行了调整。
Determination of heading wall s reasonable resistance line in the case of short delay blasting;
微差爆破底盘合理抵抗线的确定
The article introduces the construction condition of blasting exploiting in certain strip mine,proposes the application of deep-hole bench blasting,non-coupling load,and short delay blasting technique in mine exploitation,sets rational blasting parameters,and draws a conclusion that the scheme has well blasting effect,which has certain referential values for similar engineering.
介绍了某露天矿爆破开采的施工情况,提出了在该矿山开采中采用深孔台阶爆破、不耦合装药和微差爆破技术,确定了合理的爆破参数,得出了采用该爆破方案爆破效果较好的结论,对类似工程具有一定的参考价值。
Analysis is made of the action mechanism of burden to long-hole bottom spacing,hole bottom reversed blasting and multiple-row equal-level short delay blasting for effective improvement of ore-rock blasting efficiency.
对小抵抗线大孔底距、孔底反向起爆、多排同段微差爆破技术能有效改善矿岩爆破效果的作用机理进行了分析。
Experimental research on notching wet beach of Yellow River by short-delay blasting;
黄河湿滩微差爆破开槽试验研究
Speeding up of concrete foundation demolition in plant building using technique of short-delay blasting;
采用微差爆破技术拆除厂房内混凝土基础
Connecting with the actual situation of the blasting of highway eng in eering, this paper discusses on the significance of using short-delay blasting and its technical feasibility, and points out that the short-delay blasting can increase the charging quantity and working efficiency, and also can lower the i nfluence of blasting impact on the environment.
结合公路工程爆破的实际情况,讨论了使用微差爆破的意义和技术可行性,指出微差爆破可提高装药量和工作效率,同时还可降低爆破冲击波对环境的影响。
In the light of the theorety of millisecond delay blasting the machanism of im proving blasting fragmentsize is analysed when stage parallelhole cut is used in rock blasting in shaft drifting.
根据微差爆破理论，分析了立井基岩掘凿采用深孔爆破时，应用直眼分段掏槽的爆破效率和对岩石破碎块度影响的机理，并通过实验室的模型试验，验证了机理的客观性。
This paper introduces product conslructures of 30 segment MS nonel detonator and high or low temperature-resistant and corrosion-resistant plastic nonel, which are used for large area MS delay blasting, testing data of their properties and examples of their application in mining.
文章介绍了用于大区微差爆破的30段毫秒导爆管雷管和耐高低温、抗腐蚀性能好的塑料导爆管的产品结构,各项性能测试数据,以及矿山应用实例。
The long-spaced equal-differential blasting at outside of tunnel is a new blastingtechnique developed in recent years.
本文从工艺原理、适用范围、特点、工艺技术等几方面，介绍了洞外大间隔等微差爆破这一近几年发展起来的爆破新技术。
Analysis of Misfire Using Detonating Fuse and Connecting Detonating Cap during Millisecond Blasting & Its Prevention Methods
微差爆破中导爆索与继爆管拒爆分析及其预防
Is there a time sequencing delay between the 1m segment blasts, or is it one instantaneous blast.
请问：对于1米高的分段，是进行微差爆破，还是进行瞬间爆破？
ENGINEERING PRACTICE AND NUMERICAL SIMULATION ON THE MILLISECOND BLASTING FOR DITCHING DEEP BORE HOLES
沟槽深孔微差爆破的工程实践和数值模拟
To protect the adit pass and slope,the mass of engineering and technical personnel in Lanjian Iron Mine have explored the in-hole and between-holes microsecond blasting technology.
兰尖铁矿为保护平硐溜井和边坡,工程技术人员进行了孔内孔间微差爆破技术的探索。
Study on Minisecond Delay Blasting and Its Influence on Blasting Effect;
微差起爆技术及其对爆破效应影响研究
The application of MS-delay pre-splitting blasting and MS-delay close-drilling pre-splitting blasting in the high rock slope excavation for CMICT dock was introduced.
介绍了微差预裂爆破和微差密孔预裂爆破在CMICT码头高边坡开挖工程中的应用。
INVESTIGATION OF THE REASONABLE TIME INTERVAL FOR LONG HOLE MILLISECOND BLASTING OF TUNG ANSHAN IRON MINE
东鞍山铁矿深孔爆破合理微差间隔时间的研究
Differential damping static blasting construction of Yingyaoshan tunnel rock boundary
鹰鹞山隧道土石分界微差减震静态爆破施工
Reasonable delay time of bench microsecond delay blasting
露天台阶爆破中合理微差间隔时间的确定
Application of deep-hole differential crush blasting in excavating the spillway of Kesem Reservoir
深孔微差挤压爆破在Kesem大坝溢洪道开挖中的应用
Research on High Building Demolish by Blasting of Bidirectional Synchronization Collapse on the Same Floor
同层位无时差双向折叠爆破新技术的应用
Maximum Principles and Blow-up of Solutions for Nonlinear Partial Differential Equations;
非线性偏微分方程的极大原理和解的爆破
Deresination of Larch Wood Modified by Microwave-Cell-Explosion;
微波细胞爆破法改性落叶松木材的脱脂技术
The Tiny Vibration of Structure Induced by Tunnelling Blasting;
隧道施工中爆破引起地面建筑物的微振动响应
The Microburst of Femtosecond Laser in Translucent Product and its Application;
飞秒激光在半透明物质中的微爆破及应用
Blow up of Solutions to Two Classes of Semilinear Two-dimensional Integro-differential Equations;
两类半线性二维积分微分方程解的爆破
Research on Bad Effct of Micro-Vibration and Safety Assessment
微振动爆破有害效应控制与评估方法研究
Application of Microparticle Swarm Algorithm in Optimization of Tunnel Blasting Parameters
微粒群算法在隧道爆破参数优化中的应用