Table 3 Physical and mechanical properties of EA
From: Experimental Study on Modification of Grouting Material for Joints of Prefabricated Buildings
Specific surface area (m2/kg) | Setting time (min) | Flexural strength (MPa) | Compressive strength (MPa) | Restricted expansion rate (%) | ||||
|---|---|---|---|---|---|---|---|---|
Initial setting | Final setting | 7d | 28d | 7d | 28d | In water 7d | In air 21d | |
290 | 145 | 220 | 6.5 | 8.6 | 36.1 | 51.8 | 0.045 | 0.005 |