Research Article
Experimental Study on Performance Influencing Factors and Reasonable Mixture Ratio of Desert Sand Ceramsite Lightweight Aggregate Concrete
Table 4
Performance indices of shale ceramsite.
| | Technical index | Bulk density (kg/m3) | Numerical tube pressure (MPa) | Water absorption (%) | Softening coefficient | Silt content (%) | Mass loss after boiling (%) |
| | Standard | — | ≥1.0 | ≤10 | ≥0.8 | ≤3.0 | ≤5.0 | | Actual value | 659 | 3.6 | 4.3 | 1 | 0.2 | 1 |
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