The applicability of four evaluation methods,including shock wave overpressure and impulse,roof lifted displacement and quasi-static pressure,impulse and quasi-static pressure on internal blast power was discussed via analysis of explosion process and energy release mechanism in confined space and comparison of the energy output characteristics of free field and confined space.Proposing out that the shock peak pressure and impulse obtained by sensor assess detonation energy of explosives,quasi-static pressure assess total energy of internal blast,roof lifted displacement and impulse and quasi-static pressure assess comprehensive power of explosive,with 27 references.%通过分析有限空间内爆炸过程和能量释放特点以及自由场与有限空间内爆炸的能量输出特性,讨论了冲击波压力—冲量、屋顶举起位移、准静态压力和冲量—准静态压力4种内爆炸威力评估方法的适用性,提出应当使用冲击波峰值压力和冲量评估炸药爆轰释放的能量、准静态压力评估炸药内爆炸释放的总能量、屋顶举起位移和冲量—准静态压力权衡的方法评估炸药内爆炸的综合威力性能.附参考文献27篇.
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