SOLUTION ON EQUIVALENT PERMEABILITY OF ROCK MASS DURING EXCAVATION--Taking the slope of permanent shiplocks in the Three Gorges Projges as an example
施工期岩体等效渗透张量求解法--以三峡工程永久船闸边坡为例

Based on observation and investigation insitu, a method is presented to solve equivalent permeability tensor of rock mass during excavation. The method is more effective in fractured rock mass during excavation, which determines the primary permeability tensor first using WCF(WaterConduction Fracture) and then to calculate the equivalent permeability tensor of rock mass using 3D FEM. Finally, a computation is made for the slope of permanent shiplocks in the Three Gorges Project as an example.