Summary of analyses presented in parametric study
| Parameter | Cc | J: MN/m | he: m | s: m |
|---|---|---|---|---|
| Compression index of subsoil, Cc | 0·3 | 0·5 | 6·0 | 2·5 |
| 0·7 | 0·5 | 6·0 | 2·5 | |
| 1·5 | 0·5 | 6·0 | 2·5 | |
| Tensile stiffness of geogrid, J | 0·7 | 0 | 6·0 | 2·5 |
| 0·7 | 0·2 | 6·0 | 2·5 | |
| 0·7 | 1·5 | 6·0 | 2·5 | |
| 0·7 | 3·0 | 6·0 | 2·5 | |
| Embankment height, he | 0·7 | 0·5 | 3·5 | 2·5 |
| 0·7 | 0·5 | 10·0 | 2·5 | |
| Pile spacing, s | 0·7 | 0·5 | 6·0 | 2·0 |
| 0·7 | 0·5 | 6·0 | 3·5 |
| Parameter | ||||
|---|---|---|---|---|
| Compression index of subsoil, | 0·3 | 0·5 | 6·0 | 2·5 |
| 0·7 | 0·5 | 6·0 | 2·5 | |
| 1·5 | 0·5 | 6·0 | 2·5 | |
| Tensile stiffness of geogrid, | 0·7 | 0 | 6·0 | 2·5 |
| 0·7 | 0·2 | 6·0 | 2·5 | |
| 0·7 | 1·5 | 6·0 | 2·5 | |
| 0·7 | 3·0 | 6·0 | 2·5 | |
| Embankment height, | 0·7 | 0·5 | 3·5 | 2·5 |
| 0·7 | 0·5 | 10·0 | 2·5 | |
| Pile spacing, | 0·7 | 0·5 | 6·0 | 2·0 |
| 0·7 | 0·5 | 6·0 | 3·5 |
J is the stiffness of each layer geogrid for the three-layer geogrid model, and the stiffness of geogrid for the single-layer geogrid model corresponds to 3J; J = 0 represents no geogrid reinforcement
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