Research Article
Analysis of the Effect of Substitution Rate on the Mechanical Properties of Recycled Concrete Hollow Block
Table 7
Summary of the test results of compressive strength of recycled blocks with different substitution rates of MU10.
| Block | RCB-10-1 | RCB-10-2 | RCB-10-3 | RCB-10-4 | RCB-10-5 |
| Average compressive strength (MPa) | 10.51 | 8.58 | 7.07 | 6.38 | 6.24 | Standard deviation (MPa) | 1.2664 | 0.3115 | 0.1980 | 1.0848 | 1.0006 | Coefficient of variation | 0.1205 | 0.0363 | 0.0280 | 0.1700 | 0.1604 | Minimum compressive strength of single block (MPa) | 9.82 | 8.02 | 6.96 | 4.76 | 4.72 |
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