Page 199 - 《爆炸与冲击》2026年第4期
P. 199
第 46 卷 王海生,等: 砂砾土中爆炸模型试验相似材料性能测试及配制方法 第 4 期
对砂砾土弹性波速从常参数模型到级配关联预测的进阶,并通过原位数据验证了其可靠性。
(3) 确定了细粒含量 w、平均粒径 d 和不均匀系数 C 是控制砂砾土爆炸地冲击效应的关键相似性
u
0
5
指标。对于与本文中土样特性相似的砂砾土,证实了等量替代法为维持上述关键指标等效性方面表现
最佳的缩尺方法,为砂砾土相似土样的配制提供了以关键指标控制为核心的方法论指导。
(4) 通过离心爆炸模型试验得到的相似土样地基中的地冲击参数衰减规律与原位试验一致,证明了
从土样配制到爆炸动力响应模拟的全技术链条的有效性,为砂砾土爆炸效应的室内研究提供了可靠方法。
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