山东大学学报 (工学版) ›› 2026, Vol. 56 ›› Issue (5): 102-110.doi: 10.6040/j.issn.1672-3961.0.2025.027
• 土木工程 • 上一篇
彭柳逸1,2,刘浩3,张奇1,2,刘知辉1,2,孙子正1,2
Peng Liuyi1,2, Liu Hao3, Zhang Qi1,2, Liu Zhihui1,2, Sun Zizheng1,2
摘要： 钻爆法隧道施工中,现有基于凿岩台车随钻参数的岩石单轴饱和抗压强度快速获取方法存在不足,较少考虑冲击频率影响且预测准确性不足。为解决这一问题,基于凿岩台车整机试验,将冲击频率、冲击压力等作为特征参数,构建基于多层感知机与随钻参数的岩石单轴饱和抗压强度预测模型,并依据随钻参数与岩石强度的相关性系数,在模型中为各参数赋予权重,提升模型准确率,实现岩石单轴饱和抗压强度实时预测。所建立的感知模型基于凿岩台车现场易于采集的随钻参数,测试验证数据集表明,在设置容许误差为±3 MPa时,模型预测的整体准确率为86.67%,具有较高的预测精度。
中图分类号:
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