连拱隧道围岩渗透系数对渗流场影响的数值模拟研究

Simulation Study on the Effect of Rock Permeability Coefficient in Multi-arch Tunnel on Seepage Field

以昱岭关隧道工程为依托,结合数值模拟方法,采用Midas-GTS软件,遵循D-P准则,对常水位作用下连拱隧道渗漏水特点以及围岩渗透系数大小对渗流场特征的影响进行了研究,并结合实际工程与数值模拟结果得出了一些有益的结论。

To Yulingguan tunnel project as the basis,combined with the numerical simulation,using the Midas-GTS software,follow the DP criteria,a common double-arch tunnel under water seepage water permeability characteristics of rock the size of the flow field characteristics were studied,combined with practical engineering and numerical simulation results obtained some useful conclusions.