Research Article

Structural Analysis of Backfill Highway Subgrade on the Lower Bearing Capacity Foundation Using the Finite Element Method

Figure 5

Effects of cohesion and internal friction angle. (a) 25°-15 kPa. (b) 30°-15 kPa. (c) 25°-20 kPa. (d) 30°-20 kPa. (e) 25°-30 kPa. (f) 30°-30 kPa.