石灰岩中不同埋深爆炸自由场直接地冲击参数的预计方法

Predictionmethodofthedirectgroundshockparametersofexplosion atdifferentburieddepthsinfreefieldoflimestone

摘要: 通过现场实验,研究了石灰岩中常规装药不同埋深爆炸自由场直接地冲击参数的传播规律。采用了等效当量埋深系数的工程处理方法来描述不同爆炸埋深地冲击效应,并给出了石灰岩中不同埋深爆炸应力等效当量埋深系数和质点加速度等效当量埋深系数的计算公式,从而得到了石灰岩介质中不同埋深爆炸地冲击参数随比例距离的预计公式。
- 爆炸力学 /
- 不同埋深爆炸 /
- 地冲击 /
- 传播规律 /
- 石灰岩
Abstract: Throughthefieldtests,thepropagationregularityofthedirectgroundshockproducedby theexplosionofconventionalchargeatdifferentburieddepthsinfreefieldoflimestonewasexplored. Thedirectgroundshockeffectofexplosionatdifferentburieddepthswasdescribedbytheprocessing engineeringmethodcalledtheburieddepthcoefficientofequivalentenergy.Theburieddepthcoefficientofequivalentenergyofstressandparticleaccelerationofexplosionatdifferentburieddepthsin limestonewereformulated,whichcouldbethepredictionformulaofthegroundshockparametersof explosionatdifferentburieddepthsinlimestonemediaaccordingtothescaleddistancechange.
- mechanicsofexplosion /
- explosionatdifferentburieddepth /
- groundshock /
- propagation regularity /
- limestone