The importance of it in safety production of coal mine was discussed through accident case, according to theory of blasting powder and function of stemming.
本文根据炸药的作功原理和炮眼封泥的作用，通过事故案例，论述炮眼封泥质量在煤矿安全生产中的重要性。
The radius of fracture zone and cracked zone can be calculated by theory of blasting, and blasting effectiveness of different blasting project can be analyzed and simulated by the software of LS-DYNA.
用爆破理论计算爆破的压碎区和裂隙区半径，用LS - DYNA软件模拟分析了不同爆破方案的爆破效果。
The result not only ensured the safety of the construction and that of the surrounding buildings, but also complements the theory of squeezing silt by blasting and guides similarity engineering.
研究结果不仅保证了重点工程的安全施工和周围建筑的安全，而且有助于丰富爆破挤淤理论，指导类似工程实践。
The mechanism of demolition of the reinforced concrete tank by hydraulic blasting is explained by the theory of underwater explosion.
本文试图用水下爆炸原理说明水压爆破拆除钢筋混凝土罐体的机理。
Based on the existing damage model of rock blasting and the theory of rock damage and fracture, a new damage model for rock blasting has been founded.
在分析现有岩石爆破损伤模型和岩石爆破损伤断裂理论的基础上，建立了新的岩石爆破损伤模型。
In terms of stress wave theory and complex function, analytical solution for the interaction between blasting seismic wave and arbitrary shape underground Chambers is deduced.
根据应力波理论和复变函数方法，建立了求解爆破地震波作用下任意形状洞室动态响应的解析方法。
Established blasting vibration hazard assessment methods on the basis of the response spectral theory, and applied to practical project.
应用反应谱理论建立了爆破震动危害评价方法，并应用于实际工程中。
In this paper, by the means of theory and numerical simulation, the change of inner stress of high building during its collapse by blasting is calculated.
采用理论分析与数值计算的方法对高耸建筑物爆破拆除中建筑物倾倒过程中的内力进行了分析计算，得到了内力的演化规律。
The theory of protective level blasting by using duplicate cushion in large hole is put forward and the optimized design of the duplicate cushion was done by numerical value calculation.
文章提出了在保护层爆破中采用大孔径复合垫层爆破，对复合垫层爆破的理论进行了研究，并通过数值计算对复合垫层进行了优化设计。
Based on the theory of dynamic fracture mechanics, the mechanism of crack-forming among shot holes in the directional split of rock by controlled blasting is expounded.
基于断裂动力学理论，文章论述了切缝药包定向断裂控制爆破炮孔间贯通裂纹形成的机理。
Reliability theory was used to evaluate the reliability of a dust-control system applied in the blasting demolition of old Guangzhou Gymnasium Building.
在对广州市旧体育馆爆破拆除的抑尘系统进行可靠性评价时，应用了可靠性理论。
Based on the decision-making analytical method of multi-objective grey situation from the grey system theory, the problem of optimizing smooth blasting schemes is researched.
论文借助于灰色系统理论中的多目标灰局势决策分析方法，研究现场巷道光爆方案优选问题。
For this purpose, the causes for flying rocks are analyzed and the sorts of flying rocks are studied based on the theory of rock fragmentation by blasting and the field investigation.
为此，根据爆破破岩理论和现场调研，分析了飞石产生的原因，讨论了飞石的类型。
But till today, researches on completion of blind shafting in deep-hold blasting theory and experiment were not many.
从目前已有的研究状况来看，对盲天井深孔爆破一次成井的理论和试验研究还不多。
Based on the existing research results and up to the minute theory of rock damage and fracture mechanics, the blasting damage and fracture mechanism of rock and bedded composite rock is studied.
本文基于前人的研究成果，采用岩体损伤、断裂理论的最新研究成果，研究了岩石和层状复合岩体在爆炸应力波和爆生气体作用下的损伤断裂机理。
According to the mechanism of base air-decked blasting, combined with millisecond blasting theory, the contrast tests of millisecond blasting for base air-decked were carried out in the quarry.
根据孔底空腔爆破的作用机理，结合微差爆破理论，在该采石场进行了孔底空腔微差爆破的对比试验研究。
Based upon blasting mechanics theory, pressure on the wall of borehole and blast stress field are gained in the course of detonation with air cushion charging construction.
利用爆炸力学理论，得到空气垫层装药爆破的孔壁压力及其爆炸应力场。
The relations between the size of coal lump fractal, surface cranny fractal and density of blasting energy were roughly analyzed by means of the fractal geometry theory.
应用分形理论初步分析了分形块度、表面裂隙分维与爆破能量密度的关系；
The characteristics of the technology, design theory and the blasting effect in application are discussed in this paper combined with practical project.
本文结合工程实例，论述该项技术的特点、设计理论及其应用中取得的爆破效果。
The experimental results of a blasting centrifuge model test are numerically modeled and compared by using the fluid dynamic mechanics theory and dynamic finite element method.
利用流体动力学理论和动力有限元方法，对一受爆震波作用下的离心机模型试验结果进行了数值模拟与比较，并给出了几种典型屏障物对爆炸防护的影响。
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。
In this paper, the theory of gray system is adopted to study the time series prediction of the leaching rate of in-situ blasting and leaching ore.
采用灰色系统理论对原地爆破浸出率的时间序列预测问题进行了研究。
The mechanism of damage and fracture of rock blasting is composed of blasting mechanism and rock meso-damage theory.
岩石爆破损伤断裂机理是由岩石爆破机理和岩石细观损伤力学理论组成的。
The rock blasting mechanism is a complicated subject and at present the study of its theory isn't mature.
岩石爆破机理是一个复杂的问题，目前理论研究还不是很成熟。
Based on analysis of response spectrum characteristics and microstructure of loess at blasting loess site, the micro-particle-dynamical theory is proposed firstly.
通过对黄土场地爆破的波动响应频谱及其微观结构形态的分析，首次提出了黄土的微结构颗粒动力理论。
The radium of blasting cavity, stress peak value and action time of stress waves are validated by the theory of classical explosion mechanics and the way of curve regression.
借助经典的爆炸力学理论和回归拟合曲线方法，验证了爆炸空腔大小、应力波的应力峰值、应力波的作用时间。
According to the theory of shock waves, the smash district and its forming time, the blasting cavity radius and its expanding characteristics are all discussed in this paper.
运用爆炸冲击波理论，讨论了炮孔柱状装药爆破时的岩石粉碎区及其形成时间、爆腔半径及其扩胀规律。
It is confirmed that the support vector machine theory can predict the velocity of blasting vibration well.
证明支持向量机理论能较好地预测爆破振动合速度。
Based on association analysis with gray system theory, the multi-factor gray association analysis has been carried out for analysing the vibration effect of pre-splitting blasting in a mine.
引入灰色系统理论的关联分析方法，对某矿山预裂爆破的震动效应进行了多因素灰色关联分析。
The authors summarize the theory and application of wavelet analysis, find the basic wavelet for blasting seismic signal analysis, and analyze a concrete engineering example.
并对目前小波分析理论和应用进行了较为全面的总结，建立了适合于爆破震动信号分析的基小波，同时进行了实例分析。
应用推荐