TY - JOUR A2 - Liu, Yong AU - Shen, Qi AU - Zhou, Zhifang AU - Chen, Meng AU - Wang, Zhe AU - Li, Yabing PY - 2021 DA - 2021/10/28 TI - Study on Non-Darcian Flow in Interlayer Shear Weakness Zones in the Basalt by High-Pressure Packer Tests SP - 3584654 VL - 2021 AB - The interlayer shear weakness zone (ISWZ) is a special structural plane with different widths and spacing in stratified rock masses, it has higher permeability compared with surrounding rocks which is a risk factor for the safety of the hydropower station project.高压打包测试分步注入常用以描述ISWZ渗透性非达尔斯流很容易在高压下出现,这使达西法模型不再适用在这次研究中,提议对封闭含水层使用两种非达尔斯流分析法调查非达尔斯流渗透参数并推导出各种非达尔斯模型等效渗透系数现场测试Baihetan水电站ISWZ校验建议方法结果表明流程从完整性到销毁在整个HPPT过程的非达尔西流Izbash法比Forchheimer法在复杂测试情况下更合宜销毁后等效渗透系数比前大一或二级数值同时,有必要注意高梯度下等效渗透系数两种表达式差异的增加 一 或速度 V级 )总的来说,这些方法可用于评价ISWZ特征分析对工程稳定性的影响SN-1468-8115UR-https://doi.org/101155/2021/3584654DO-10.1155/2021/35864JF-GeofluidsPB-HindawiKW-ER-