Table 17 Free expansion rate of the grouting material under different curing conditions
From: Experimental Study on Modification of Grouting Material for Joints of Prefabricated Buildings
Curing condition | Free expansion rate (%) | ||||||
|---|---|---|---|---|---|---|---|
3d | 7d | 14d | 21d | 28d | 50d | 80d | |
A | 0.0495 | 0.1050 | 0.0317 | 0.0034 | − 0.0081 | − 0.0293 | − 0.0501 |
B | 0.0160 | 0.0112 | 0.0017 | − 0.0044 | − 0.0098 | − 0.0416 | − 0.0619 |
C | 0.0879 | 0.1841 | 0.1157 | 0.0800 | 0.0638 | 0.0295 | 0.0071 |
D | 0.0874 | 0.0514 | 0.0275 | 0.0047 | − 0.0088 | − 0.0377 | − 0.0586 |
E | − 0.0207 | − 0.0243 | − 0.0414 | − 0.0430 | − 0.0501 | − 0.0684 | − 0.0874 |