From: The Mechanical and Thermal Properties of Cement CAST Mortar/Graphene Oxide Composites Materials
The curing age | Samples | ||||
---|---|---|---|---|---|
GMT_0 | GMT_0.01 | GMT_0.03 | GMT_0.05 | GMT_0.1 | |
Compressive strengths (MPa) | |||||
 3 days | 6.954 ± 0.212 | 7.882 ± 0.127 | 8.635 ± 0.122 | 8.819 ± 0.225 | 8.344 ± 0.292 |
 7 days | 8.107 ± 0.097 | 9.126 ± 0.496 | 10.037 ± 0.044 | 11.084 ± 0.620 | 10.467 ± 0.780 |
 21 days | 9.631 ± 0.099 | 10.524 ± 0.070 | 10.871 ± 0.178 | 11.641 ± 0.157 | 10.389 ± 0.311 |
 28 days | 8.864 ± 0.191 | 9.533 ± 0.618 | 10.676 ± 0.721 | 11.763 ± 0.352 | 11.004 ± 0.802 |
 77 days | 9.936 ± 0.756 | 9.631 ± 1.776 | 13.262 ± 0.299 | 13.282 ± 0.132 | 13.268 ± 0.235 |
Tensile strength (MPa) | |||||
 3 days | 1.067 ± 0.033 | 1.169 ± 0.075 | 1.171 ± 0.045 | 1.073 ± 0.056 | 1.098 ± 0.103 |
 7 days | 0.844 ± 0.107 | 0.916 ± 0.107 | 1.108 ± 0.081 | 1.363 ± 0.046 | 1.068 ± 0.046 |
 21 days | 1.349 ± 0.103 | 1.555 ± 0.192 | 1.571 ± 0.157 | 1.442 ± 0.047 | 1.359 ± 0.040 |
 28 days | 1.215 ± 0.141 | 1.351 ± 0.166 | 1.456 ± 0.152 | 1.445 ± 0.142 | 1.318 ± 0.043 |
 77 days | 1.267 ± 0.244 | 1.091 ± 0.055 | 1.166 ± 0.168 | 0.149 ± 0.051 | 1.312 ± 0.015 |