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根据材料状态随撞击速度的变化规律，提出了在射流高速侵彻下判别混凝土材料是否处于流体状态的判别准则；并根据混凝土材料特点，采用空腔膨胀理论推导了半无限厚混凝土在射流高速侵彻下的材料阻力的表达式。
According to the variation law of the material state with the impact velocity, the criterion of judging whether the concrete material is in the fluid state is put forward according to the high-speed penetration of the jet. According to the characteristics of the concrete material and the cavity expansion theory, Torpedo expression of resistance.