For this case, it is helpful to reduce the blasting vibration when blasting with more charge holes and less charge weight. 工程实验中采用多爆孔小药量的爆破方式能有效减小岩体动态响应。
Numerical Simulation Research on Blasting Vibration about Chamber Blasting with Linear Charge 条形药包硐室爆破地震效应的数值模拟研究
Those problems include the end effect of chamber blasting with linear charge, the security of big blasting and the disposal principle of linear charge chamber blasting. 介绍了在青藏高原特殊环境进行条形药包硐室大爆破时,条形药包硐室爆破端头效应的问题、大爆破的安全性问题以及条形药包硐室爆破的布置原则。
Introduction to the Management of Rapid Construction in Extra Long Tunnel under Hard Rock by Parallel Adit Drilling and Blasting Method Borehole Blasting with Water-couple Charge and Its Application in Tunnel Engineering 浅谈硬岩特长隧道平导钻爆法快速施工的管理水介质耦合钻孔爆破及其在隧道工程中的应用
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
Especial, the theses study the blasting net and charge structure. 特别是对该技术中的起爆网络及其装药结构进行了深入的研究。
Numerical Simulation of Blasting between Adjacent Charge Holes in Rock 岩石中相邻炮孔装药爆破的数值模拟
Testing study on silt-charge blasting of air-deck charge 切缝药包空气间隔装药爆破试验研究
Applications and mechanism of air-cushion blasting with column charge 条形药包空腔爆破的应用及其机理分析
In this paper, the determination of blasting scheme, charge layout and the selection of blasting parameters were introduced. The design of priming network and delay interval and the safety precautions were expounded. 本文介绍了爆破方案的确定,装药设置和爆破参数选取,较详细地阐述了爆破网路和起爆延时的设计以及安全防护措施。
Numerical Simulation and Theory Study of Rock Blasting without Interaction Charge 不耦合装药条件下岩石爆破的理论研究和数值模拟
The selection of deep hole blasting scheme, the design of blasting parameters, charge structure, priming network and others were introduced in this paper. 介绍了深孔爆破方案的选择、爆破参数设计、装药结构和起爆网路等。
The mechanism on the formation of the through crack between shotholes in directional-split rock blasting with slotted charge is stated, the method for calculating blasting parameters presented based on the mechanism, and the first-in and advantage of this blasting technique are roundly analyzed. 论述切缝药包岩石定向断裂爆破炮孔间贯通裂纹的形成机理,提出相应的爆破参数计算方法,并对这一技术的先进性与优越性进行全面分析。
In this paper, cutting excavation controlled blasting design and safety techniques are introduced including the blasting design, selection of blasting parameters, charge structure, design of priming network, and safety precautions. 介绍了该复杂环境下控制爆破设计和安全技术,内容包括爆破设计、爆破参数的选取、装药结构、起爆网路的设计和安全防护措施。
The testing and detecting indicate that the performances of these explosives produced by the line are in accord with the state standard of technology and meet the requirement of the mine to water-hole blasting, primer charge, toe-rock blasting and secondary blasting. 试验和检测表明,由该生产线生产的不同品种的炸药,其性能指标均符合国家技术标准,满足了该矿对水孔爆破、起爆药包、根底爆破及二次破碎的要求。
Rock Damnification by Smooth Blasting of Different Charge Structures 不同装药结构光面爆破对岩石的损伤研究
The experiment was conducted for cumulative effectiveness of slit charge based on dynamic photoelasticity method, and the isochromatic fringes graphs in the process of blasting of slit charge were obtained. 为了了解切缝药包聚能效应的机理,用动态光弹性法对切缝药包的聚能效应进行了试验,获得了切缝药包爆炸过程中的序列等差条纹图。
Application of hydraulic chamber blasting with bar charge in earth-stone dig 条形药包峒室水封爆破在土石方开挖中的应用
Recently air-cushion blasting with column charge has been widely used and gained remarkable results in improvment of fragmentation and controlling damage. 近年来条形药包空腔爆破的应用范围有了一定的扩展,并且在提高爆破效果和控制爆破危害等方面取得了显著效果。
An experimental study on Boulder Blasting with cumulative charge 聚能药包破碎大块的试验研究水封聚能药包爆破大块的应用
The blasting charge, blasting notch high and blast-hole pattern are carefully designed, and the design project of blasting is strictly implemented. Prospective aim of safe production is realized and collapse of chimney is precise. 在装药量、烟囱切口高度,炮孔布置等方面精心设计,并严格按爆破设计方案施工,最终实现了预期的安全生产目标,爆破烟囱精确倒塌。
The Mechanism of Blasting with Linear Charge 条形药包爆破作用机理
In blasting, maximum charge weight per delayed interval was controlled, weakening the disturbance of blasting vibration on the mined-out areas and faults. 爆破中,控制最大一段齐爆药量,减轻了爆破震动对煤层采空区和断层的扰动。
The Problems of Refused Blast and Imperfect Blast In Chamber Blasting With Linear Charge 硐室条形药包的拒爆和不完全爆炸问题
Cushion blasting with divided charge holes is one of the controlled blasting techniques near slopes. 具有分段装药结构炮孔的缓冲孔爆破是边坡控制爆破方法之一。
The selection of blasting cut, the determination of blasting parameters and charge weight were discussed. 文中讨论了爆破切口的选取、爆破参数和装药量的确定。
The empirical unit consumption of explosive under special conditions is considered as a proper blasting strength, from which the calculation formula for the blasting of cylindrical charge is derived. 再把特定条件下的经验单耗视为合适的爆破作用强度,从而导出柱状药包爆破的计算公式。
In virtue of the wave solution of plastic dynamic response of plate and the dynamic fracture theory, the critical blasting charge was derived theoretically when onset of initial circumferential crack namely critical damage happened in thin plate subjected to explosions. 应用塑性动力响应波动解及动态断裂理论,从理论上推导了薄钢板在爆炸冲击载荷作用下产生初始环向裂纹即发生临界破坏时的装药量,并得出板的临界位移理论表达式。
After the theoretical analysis, the numerical modeling determined the best lengthways decoupling coefficient of the presplit blasting Air-deck Charge. 在理论分析的基础上,数值建模研究了空气间隔装药预裂爆破中最佳纵向不耦合系数。
This paper analyzes the domestic and international research of presplit blasting Air-deck Charge technology, and put forward the necessity and urgency of using this technology in the highway construction which through the mountains. 论文分析了国内外预裂爆破空气间隔装药技术的研究现状,并提出了在山区公路修建中使用该技术的必要性和迫切性。