Page 120 - 《爆炸与冲击》2023年第2期

第 43 卷 郝礼楷，等： JPC聚能装药对钢筋混凝土墙毁伤效应的试验与数值模拟研究 第 2 期

6 cm（0.50 倍装药直径）的侵彻孔洞。
(2) 将侵彻钢筋混凝土墙作用过程划分为稳定成型、冲击开坑、稳定侵彻以及贯穿崩落这 4 个阶
段。在特定工况条件下，钢筋混凝土墙的破坏是 JPC 高速侵彻与爆炸冲击波联合作用下导致的，聚能装
药的多载荷毁伤特性决定了钢筋混凝土墙的破坏结果。
(3) 墙体厚度在 60 cm（5.0 倍装药直径）至 100 cm（8.3 倍装药直径）范围内变化时，JPC 均能实现有效
贯穿。墙体厚度对正面漏斗坑直径和深度以及内部孔洞直径影响不大，随着墙体厚度增加，背面漏斗坑
直径逐渐减小，背面漏斗坑深度和内部孔洞占比逐渐增大。

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