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Terms for subject Explosives and Explosive Ordnance Disposal containing 地中 | all forms
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中国地质大学China University of Geosciences
中国地质工程公司China Geo-engineering Corporation
中间地段intermediate section
很多实地操作人员把这种求导岩石系数的方法广泛应用于爆破剂破岩研究之中、并证明应用这种方法可以合理地估算所需的爆破强度以及诸多爆破环境下岩石的最终平均过筛粒度This approach to the derivation of rock factors has been used by many field operators in a wide range of blasting and fragmentation studies and has been shown to lead to a reasonable estimate of the required blasting intensity and the resulting mean passing size in a wide range of blasting environments
意外飞石的产生、是由于爆破过程或岩体中出现异常、致使破碎岩石出乎意料地飞越爆破禁区之外Wild flyrock occurs due to the unexpected propulsion of rock fragments,when there is some abnormality in a blast or a rock mass, that travels beyond the blast clearance exclusion zone
爆破中所用的炮泥类型和分量以及对阶梯地形的处理、会大大地影响抛向空中的物质的多寡、因此也大大地影响一次爆破中可能喷出的飞尘比例The type and adequacy of the stemming material used and the management of progressive relief during detonation have a strong influence on the amount of material thrown into the air and hence the proportion of dust likely to be emit ted from a blast
调查结果表明、飞石事故是由以下一个以上的因素促成的: 地质及岩石结构的非连续性、炮孔布置和装药量不适当、抵抗线不足、炸药能量高度集中、填塞不足Investigations of flyrock accidents have revealed one or more of the following contributing factors: I discontinuity in the geology and rock structure,II improper blast hole layout and loading, III insufficient burden, IV very high explosive concentration, and V inadequate stemming
除了与地质和距离有关的因素外、还有一些因素与爆破作业设计直接相关。其中最重要的是每次延迟的最大装药量、即每次要爆炸的炸药最大量有时标明为每8毫秒间隔爆炸的炸药量In addition to factors that are related to geology and distance are those factors that are related directly to the design of blasting operations. The most important of these is the maximum charge weight per delay: that is, the maximum quantity of explosive that detonates at one time sometimes specified as being that which detonates within any eight millisecond period of time