Research Article

Numerical Simulation of a 3D Seepage Field of an Asphaltic and Concrete Core Rockfill Dam in an Arid Area

Table 1

The infiltration coefficient and allowable descent.

Material typeAverage permeability (cm/s)Allowable descent

Western conglomerate Q1 (under confined aquifer)
Confined aquifer
The bedrock of confined aquifer Q1 (above confined aquifer)
Weakly weathered layer (Q1)
 Left bank
 Partial rock layer 1
 Right bank
Fresh rock mass (Q1)
 Left bank
 Right bank
Q2al0.12
Q3al0.10
Q4al0.08
Q3eol2.0
Dam body
Curtain grouting
Concrete cutoff wall
Concrete base
Asphaltic and concrete core wall
Consolidation grouting
Cofferdam
Dam material