Research Article
Structural Behavior of Concrete Beams Containing Recycled Coarse Aggregates under Flexure
Table 3
Concrete properties and experimental parameters of the test beams.
| Test beam | Concrete properties | Experiment parameters | Compressive strength (MPa) | SD (MPa) | Elastic modulus (MPa) | SD (MPa) | Rupture modulus (MPa) | SD (MPa) | RCA content (%) | Tensile rebar size | Rebar ratio (%) |
| R000-S1 | 38.3 | 1.5 | 22,685 | 836 | 4.7 | 0.8 | 0 | 2 D13 | 0.50 | R000-S2 | 2 D16 | 0.79 | R000-S3 | 2 D19 | 1.14 |
| R030-S1 | 35.6 | 0.5 | 21,890 | 431 | 4.6 | 1.1 | 30 | 2 D13 | 0.50 | R030-S2 | 2 D16 | 0.79 | R030-S3 | 2 D19 | 1.14 |
| R050-S1 | 33.2 | 2.1 | 20,661 | 336 | 4.4 | 0.6 | 50 | 2 D13 | 0.50 | R050-S2 | 2 D16 | 0.79 | R050-S3 | 2 D19 | 1.14 |
| R100-S1 | 31.7 | 0.9 | 18,915 | 501 | 3.9 | 0.7 | 100 | 2 D13 | 0.50 | R100-S2 | 2 D16 | 0.79 | R100-S3 | 2 D19 | 1.14 |
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SD: standard deviation.
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