Page 92 - 《爆炸与冲击》2025年第6期

第 45 卷 王 伟，等： 循环冲击作用下砂岩裂缝扩展及渗透率响应特征 第 6 期

步连通，渗透率提升 1 468.18%～2 893.33%；循环冲击九次时，形成连通裂缝网络，渗透率提升 4 718.18%～
9 380.00%；循环冲击作用能够显著提高砂岩的渗透率，裂缝扩展和连通是渗透率提升的关键驱动因素。

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