Research Article
Settlement Characteristics of Split Grouting Pile Composite Foundation in Loess Areas
Table 2
Main physical property indexes of PO. 42.5 composite silicate cement.
| | Materials | Coagulation time (min) | Consistency (%) | Specific surface area (m2·kg−1) | Compressive strength (MPa) | Shear strength (MPa) |
| | Cement | Initial condensation | Final condensation | Water quantity method | ≥320 | 3 d | 28 d | 3 d | 28 d | | 13.7 | 18.6 | 25.4 | 337 | 25.7 | 53.8 | 6.1 | 7.9 |
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Specific surface area is the total surface area of cement powder per unit mass.
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