Table 6.
Durability parameters of GO/cement composites at 28 days.
| Samples | Penetration Resistance | Freeze–Thaw Cycles * (×100) | Carbonation Depth (mm) | ||||
|---|---|---|---|---|---|---|---|
| Osmotic Pressure (MPa) | Seepage Height (mm) | m0 (g) | mloss (g) | P (%) | 7 Days | 28 Days | |
| S1 | 3.5 | 15.4 | 9837 | 0.55 | 71.52 | 3.73 | 4.94 |
| S2 | 3.5 | 4.7 | 9833 | 0 | 89.5 | 2.73 | 3.23 |
| S3 | 3.5 | 3.6 | 9845 | 0 | 96.53 | 0.84 | 1.84 |
| S4 | 3.5 | 3.7 | 9836 | 0 | 98.76 | 0.65 | 1.35 |
| S5 | 3.5 | 4.1 | 9841 | 0 | 97.65 | 0.52 | 1.62 |
| S6 | 3.5 | 11.3 | 9851 | 0.45 | 73.34 | 3.53 | 4.34 |
* m0: the weight of samples before freeze–thaw experiments. mloss: the weight of samples after 100 freeze-thaw cycles. P: the retention rate of a relatively dynamic elasticity modulus of the test samples after 100 freeze-thaw cycles.