| 组别 | 编号 | PCM质量(%) | 粉煤灰质量(%) | 细砂质量(%) |
| 素土 | S0 | 0 | 0 | 100 |
| PCM改良土(PS) | P5S | 5 | 0 | 95 |
| P8S | 8 | 0 | 92 | |
| P10S | 10 | 0 | 90 | |
| 粉煤灰改良土(FA) | F5A | 0 | 5 | 95 |
| F8A | 0 | 8 | 92 | |
| F10A | 0 | 10 | 90 | |
| 粉煤灰-PCM改良土(FPS) | FP5S | 5 | 8 | 87 |
| FP8S | 8 | 8 | 84 | |
| FP10S | 10 | 8 | 82 |