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Explosives and Explosive Ordnance Disposal
containing
传中
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冲击波在岩体中的传播
blast wave propagation in rock mass
在岩体内传播的应力波中断时、会出现不利形势
Problem situations can arise when the transmission of stress waves within the rock mass are interrupted
在爆破中产生飞石所消耗的能量低于传递给岩石全部能量的1%、因此以这种形式浪费的爆炸能可以说微不足道
The energy spent in creating flyrock during blasting is less than 1 % of the total energy transferred to the rock, hence the wastage of explosive energy in this form maybe insignificant
大气温度和风速的变化会影响爆炸能在空气中的传爆
Variations in air temperature and wind velocity influence the transmission of blast energy through the air
应力波在黏弹性物质中的传播特性
stress wave propagation characteristics in a viscoelastic material
水中冲击波传播特点
1. 在药包附近的冲击波传播速度比水中的声速〈约为1520m/s〉要大数倍,随着冲击波的继续向前传播,波速压力迅速减小。 2. 球面冲击波的压力幅度随距离的减小,比在声学里的声波要快。但在较大距离以外,压力变化接近声学规律。 3. 压力波的波长随着传播而逐渐增长
propagating characteristics of shock in water
高压爆炸气体在岩体中传播
high pressure explosion gas propagation through the rock mass
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