变埋深条件下混凝土中爆炸加速度的传播规律
发布时间：2018-10-30 16:02
【摘要】：为了研究混凝土中不同埋深爆炸冲击质点振动加速度传播规律,运用量纲分析和自由场实验相结合的方法并引入等效当量系数的概念得出C30混凝土不同埋深爆炸冲击质点振动加速度预估公式。研究结果表明:对于C30混凝土,当装药比例埋深为0.25 m/kg1/3≤h≤1.0 m/kg1/3时,随着装药比例埋深的增加,爆炸冲击质点加速度峰值随之增大,但加速度随比例埋深的衰减规律基本一致;对于不同强度的混凝土触地爆(h=0 m/kg1/3),随着混凝土强度的增大,爆炸冲击质点加速度峰值随之增大,加速度衰减规律基本一致;给出了C30混凝土不同埋深爆炸冲击质点振动加速度精度较高的预估公式。
[Abstract]:In order to study the propagation law of vibration acceleration of shock particles with different burying depths in concrete, By using the method of dimension analysis and free field experiment, and introducing the concept of equivalent coefficient, the formula for predicting the vibration acceleration of C30 concrete under different burying depth is obtained. The results show that for C30 concrete, when the burying depth of the charge ratio is 0.25 m/kg1/3 鈮，
本文编号：2300477
[Abstract]:In order to study the propagation law of vibration acceleration of shock particles with different burying depths in concrete, By using the method of dimension analysis and free field experiment, and introducing the concept of equivalent coefficient, the formula for predicting the vibration acceleration of C30 concrete under different burying depth is obtained. The results show that for C30 concrete, when the burying depth of the charge ratio is 0.25 m/kg1/3 鈮，
本文编号：2300477
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