From: Autogenous Shrinkage and Crack Resistance of Carbon Nanotubes Reinforced Cement-Based Materials
Water to cement ratio | Semi-closed experiment | Closed experiment | ||
---|---|---|---|---|
Cracking time/h | Cracking strain/10−6 | Cracking time/h | Cracking strain/10−6 | |
0.30 | 98.3 | − 120 | 310.2 | − 145 |
0.35 | 104.6 | − 117 | 329.5 | − 124 |
0.40 | 111.5 | − 107 | 340.3 | − 114 |