| Slurry application scope |
H2S gas concentration (ppm) | Water outlet (m3·min-1) | Proportion | Initial setting time(s) | Concretion rate (%) | Compressive strength (MPa) | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Water-cement ratio | Sodium silicate concentration (Be’) | CS volume ratio | 3(d) | 7(d) | 14(d) | 28(d) | |||||
| Cement- sodium silicate |
0~0.05 | 10~30 | 0.75 | 36 | 0.4 | 7 | 96 | 16.9 | 21.8 | 18.2 | 19.4 |
| 1~10 | 1 | 36 | 0.35 | 10 | 91 | 6.7 | 7.2 | 11.9 | 12.1 | ||
| 0~1 | 1.2 | 36 | 0.3 | 24 | 84 | 3.2 | 4.3 | 5.6 | 8.7 | ||
| Optimized composite slurry | 0.05~50 | 0~10 | Water-solid Ratio 0.8:1 | 13:15 (h/min) | 93 | 2.48 | 3.85 | 5.03 | 8.18 | ||