Research Article
Influencing Factors on the Interface Microhardness of Lightweight Aggregate Concrete Consisting of Glazed Hollow Bead
Table 2
The chemical composition of cement.
| Test item | Fineness/% | Specific surface area/(m2/kg) | Setting time/h | Compressive strength/MPa | Initial set | Final set | 3 d | 28 d |
| Technical indicator | 1.65 | 320 | 3 | 4.5 | 26.4 | 51.0 |
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