警报提醒工人必须撤离爆破区。
A warning siren indicates workers must retreat from the blast site.
平价爆破质量的主要标准应根据爆区周围环境来考虑。
The major criteria for evaluating blast quality should be considered in terms of surrounding environment.
汽泡爆破冲击齿区。
分析了爆破弱应力波作用下中远区裂纹的端部应力场。
Analyzed end stress field of far district slight crackle under blasting dynamic.
文中给出了对爆区进行爆破地震效应监测的结果。
The paper also provides the monitoring results of blasting seismic effect in the blasting area.
由于爆区范围内存在较强的电场和磁场，采用了非电起爆技术，避免了杂散电流的影响，保证了爆破作业的安全。
Because the electric and magnetic fields exist within the blasting area, the nonelectric initiation technology was used to avoid the effect of stray current, ensuring the safety of blasting operation.
测量近爆区压力对于正确认识废弃轮胎粉碎爆破的机理及确定相应的爆炸工艺参数具有关键作用。
Measuring the pressure of the zone near explosive (POZNE) is the key to understand the mechanism of fragmentation of waste tyres by explosive and to determine the working parameters.
同时，对爆区进行了爆破地震效应监测。
Meanwhile the blasting seismic effect in the blast district is monitored and measured.
最后是行洪区得两个口门一般是通过爆破或人工扒口打开，其开启顺序对干流河道水位、流量情况也有一定影响。
Finally, opening the flood diversion work's gate is through blasting or manpower, and the open order influences the discharge and elevation of water in main river.
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。
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.
这种爆破技术能很好地调节爆破过程，降低爆破峰值压力，延长爆破作用时间，减小粉碎区的形成，提高爆破能量利用率。
The method can adjust the blasting process , including reducing the climax pressure , prolonging the time of blasting action , minishing the shatter area and improving the utilizing efficiency.
现场实践表明，采用底板支承压力区进行深部松动爆破能有效控制回采巷道底鼓，满足生产需要。
Field practice shows that the method of making loose blasting deeply in the area of the mining abutment pressure can control the entry floor heave effectively and meet the need of the production.
定向爆破工程中，爆区地质条件往往很复杂，因此对爆破效应的影响也是多方面的。
In blasting engineering work, the influence of complicated geological conditions whiCh usually occur on blasting effect comes in many ways.
中远区微差爆破振动叠加效应产生的主要因素是介质的衰减慢。 振动叠加强度与爆源结构特性、爆心距和间隔时间有关。
The intensity of vibration superposition is affected by the characteristics of explosion source , millisecond delay interval and distance between explosion source and measuring point.
本文利用流体动力学模型，得到球对称装药爆破近区的自模拟解。
By applying the hydraulic model, the self-simulation solution of the spherical charge blasting at the close zone has been obtained.
然后以压碎区应力与变形的真实状态为基础，运用动量与质量守恒关系推导了爆破压碎区新型的速度场关系式。
According to true state of the stress and the strain near the cavity, a new formula of velocity field has been deducted by use of the conservation laws of momentum and mass.
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 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.
阐述了爆破地震波的质点最大振速V是一个随机变量，它与Q、R没有一般意义上确定的函数关系，因此振动只能控制在某一区间。
The maximum velocity V in blasting vibration is a random variable, it has no definite function relation to Q and R in general meaning. So V only can be controlled in a confidence interval.
介绍了YCD - 1型超动态应变仪的研制、设计原理和主要特点，及在爆破近区应变测试中的应用。
This paper describes the development, design principle and main features of type YCD-1 ultra-dynamic strain gauge, and the application of it to strain testing in the near-blasting field.
农田爆破成腔技术是黄土区提高天然降水农业利用率的新方法。
The technology of cavity-making by explode in farmland is a new way to improve the agricultural utilization ratio to natural precipitation in the Loess district.
本文分析研究了云南大姚铜矿大空区采场大爆破前后的声发射规律；并对大爆破后采场的稳定性进行了安全监测。
This paper analysizes the acoustic emission (AE) law before and after the bulk blasting of the stope in Yunnan Dayao Copper Mine, and monitors the stope stability after the bulk blasting.
不论是中部浅孔爆破，还是大坝近区岩体开挖，其振动观测结果总体合理。
The observation result of vibration is rational either in middle shallow blasting or in rock excavation near the dam.
爆破片固定边和爆破片连接区之间设有在爆破片爆破过程中起限制爆破片口径的爆破片刚度区。
The rigid area set between the fixing edge and the connecting area limits the burst size during bursting.
因此，测试隧道爆破近区围岩的振动、研究隧道掌子面附近围岩的振动规律是隧道钻爆施工安全的重要保证。
So it is necessary to test blasting vibration of the surrounding rock near tunnel blasting source and to study the blasting vibration rule.
检测结果表明，地应力的存在对深埋隧洞爆破开挖损伤区具有较大影响。
The result indicates that the depth of BEDZ is determined by the existence of in-situ stress.
通过对试验结果分析表明，炸药岩石阻抗最优匹配区并非在其匹配系数等于1处，而是在1.6～1.65之间，并提出了以爆破的破碎圈半径大小来评价炸药岩石阻抗匹配情况的建议。
The results of experiment indicated that the best matched impedance is not at a point when coefficient is 1 but in the range of 1.5 to 1.65. A proposal was made that radius…
通过对试验结果分析表明，炸药岩石阻抗最优匹配区并非在其匹配系数等于1处，而是在1.6～1.65之间，并提出了以爆破的破碎圈半径大小来评价炸药岩石阻抗匹配情况的建议。
The results of experiment indicated that the best matched impedance is not at a point when coefficient is 1 but in the range of 1.5 to 1.65. A proposal was made that radius…
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