The demolition plan, the blasting parameters of the main explosive hole and pre-splitting hole, blasting network, blasting equipment and a series of safeguarding measures are detailed. 详细介绍了爆破方案、主爆孔及预裂孔的爆破参数、爆破网路和***以及解决此次爆破所面临的安全问题的一系列措施。
The perforator for oil-gas increases the blasting height between the explosive charge and pipe walls of the gun body perforation part, boasting high safety, reliability and low cost. 该油气井射孔装置增大了射孔弹与枪身射孔部位管壁间的炸高,具有安全可靠、密封性好及成本低的特点。
The open-air explosion hazards are seismic effect, blasting individual flying rocks, blasting toxic gases, explosive air shock wave and noise hazards. 露天爆破的危害有爆破地震效应、爆破个别飞石、爆破有毒气体、爆炸空气冲击波和噪声等危害。
Analysis of blast stress field is a basic problem of blasting theory research about linear explosive charge. 爆炸应力场分析是条形药包爆破作用机理研究的一个基本问题。
Investigation on the Dynamic Displacement Response of Thin Spherical Aluminium Shell Under Blasting Shock Loading of Explosive Charge 空中爆炸冲击波作用下薄壁铝球壳体大变形响应的实验研究
Application of minor diameter blasting hole and minor diameter explosive to tunneling blasting in coal LITTLE STONE 小直径炮眼小直径药卷在煤巷掘进中的应用
The Dependence of Rock Blasting Effects on Explosive Properties 炸药性能与岩石爆破作用的相关性
The theory of blasting with planar explosive package des-~ ribes, according to the principle of conservation of energy, tile interaction of explosive en-ergy and its media from the views of explosion mechanics. 平面药包爆破理论是根据能量守恒原则,对炸药能量与介质的相互作用从爆破力学的观点加以描述。
The mechanical effect of notched blasting under the explosive shock wave and explosive gas 切槽爆破在爆炸冲击波和爆轰气体作用下的力学效应
Design of Deep-hole Blasting with Planar Explosive Package 平面药包深孔爆破设计
The non-electric ignition net, multiple delaying internal time blasting technology, explosive quantity control in the maximum section and efficient protecting measures were taken, the expected result is achieved. 采用非电导爆管网路、多段秒量微差起爆技术,控制最大一段***量,严密防护措施,工程达到了预期效果。
Finally, blasting parameters, such as explosive weight and type, distance between the structures and blasting site, blasting delays, affecting ground vibration are reviewed and their influence on Peak Particle Velocity ( vPP) are studied. 最后,重新考察了影响地面振动的爆破参数,比如炸药的重量和种类、结构物与爆破点的距离、爆破延时等,并研究了它们对峰值质点速度(vPP)的影响。
Controlled chamber loose blasting with 3000t explosive 3000吨级硐室松动控制爆破
Application on Xinji Mine for a Special Blasting Explosive of Three Grade Mine Methane Drainage 三级煤矿瓦斯抽排孔专用爆破药柱在新集一矿的应用
High Temperature Resistance Blasting Explosive Used in Oil-gas Wells 油气井耐高温爆破炸药
New Flame Retardant Systems for Polyamides and High Temperature Polyamides High Temperature Resistance Blasting Explosive Used in Oil-gas Wells 聚酰胺及耐高温聚酰胺用新型阻燃系统油气井耐高温爆破炸药
Investigation of XH-ⅰ Rock Blasting Amatol Explosive XH-Ⅰ型岩石***研究
According to the principle of least square method and the theories of numerical method, this paper uses computer to determine the best buried depth and corresponding blasting parameters of explosive, and thereby establishes the general rule for determining best buried depth of explosive. 本文根据数理统计的最小二乘法原理、数值分析等理论运用计算技术来确定炸药最佳埋深及相应爆破参数,建立了确定炸药最佳埋深的统一法则。
Cavity effect, fracture condition and mechanical analysis of the lancing cartridge blasting, and mechanism of explosive forming crevice are discussed. 论述了切缝药包爆破的聚能作用,开裂条件与力学分析,以及爆炸成缝的机理。
From analysis of the correlation between fissures and physical behaviors of rocks, the effect of fissure and its position, density, direction, etc. Upon blast effect when rock blasting with explosive is described. 本文从岩石裂隙与岩石物理性质关系的分析入手,论述了炸药爆破岩石时裂隙及其所处的位置、密度和方向等对爆破效果的各种影响。
In this paper a mechanical model and numerical techniques for the variations of Pressures on hole walls with time were developed, and the dependence of rock blasting effects on explosive properties was analyzed. 本文给出了孔壁压力随时间变化的力学模型和数值方法,分析了炸药性能与岩石爆破作用的相关性。
Study and application of blasting technology with Field-mixed emulsion explosive and uncoupling charge 混装***不耦合装药爆破技术的研究和应用
The blasting design and explosive effectiveness were introduced in demolishing a brick chimney of crack shaft by directional blasting. On the basis of this blasting practice, the problems, which must be paid attention to in demolishing the brick chimney, were summarized. 介绍了一筒身开裂砖烟囱的定向爆破拆除设计及爆破效果,在此爆破实践基础上,总结了定向爆破拆除砖烟囱时应着重注意的问题。
Study on deephole blasting raising technique with globular explosive 球状药包深孔爆破掘进天井工艺的研究
Theoretical research of the effect on the blasting fragmentation distribution from the explosive specific charge 炸药单耗对爆破块度分布影响的理论探讨
The relationship between the fragment of coal blasting and the explosive specific charge is studied by fractal geometry for prediction of he fragment distribution of blasting. 应用分形几何理论,研究了爆炸载荷作用下煤体块度的分布特征和炸药单耗的关系,为爆破块度分布进行预报预测。
Key Points for Site Selection of Storehouse for Blasting and Explosive Materials and Design of General Layout ***库选址与总图设计要点
Measures such as reducing the explosive of ignition, using low blasting velocity explosive, applying the blasting technology of millisecond delay and increasing blasting frequency etc. 作者采用减小一次***量、改用低爆速炸药、孔间微差爆破技术以及提高爆破地震频率等方法,降低爆破所产生的震动。
The design principal of the inductor coil, the armature, blasting explosive and initial energy is investigated. A generator with turn-splitting coil was designed. Its performance is analyzed using the dynamic resistance and dynamic inductance models having been established before. 讨论了电感线圈、电枢、炸药、初始能源等的设计原则,并设计了一个分股加股的发生器,根据已建立的发生器动态电阻和动态电感模型研究了其性能。
And it analyzed blasting maximum explosive single sound detonator quantity of the old dam demolition whether can meet the requirements of the safety operation of the dam and put forward the related proposals. 分析设计所提供的老坝拆除爆破最大单响药量是否满足坝体安全运行要求,并提出相关建议。