Research Article
A Coupled Discrete-Finite Element Method for Shear Strength Analysis of Geogrid-Reinforced Railway Ballast
Figure 6
The shear stress-displacement curves of three different tests. (a) Direct shear test of unreinforced specimen. (b) Direct shear test of reinforced specimen. (c) Pull-out test.
(a) |
(b) |
(c) |