Research Article
Durability and Shrinkage Characteristics of Self-Compacting Concretes Containing Recycled Coarse and/or Fine Aggregates
Table 3
Concrete mix proportions (in kg/m3), compressive and splitting tensile strengths of SCCs.
| | | Volume fraction (%) | w/b | Binder | Coarse aggregate | Fine aggregate | HRWRA |
Compressive strength (MPa) |
Splitting tensile strength (MPa) | Mix series | Mix code | Coarse aggregate | Fine aggregate | | | | | | | | | | | NCA | RCA | NFA | RFA | Total | Cement | GGBFS | SF | NCA | RCA | NFA | RFA |
| Series I | 0.3RCA0RFA0SF0 | 100 | 0 | 100 | 0 | 0.3 | 570 | 427.5 | 142.5 | 0 | 859.8 | 0.0 | 765.0 | 0.0 | 7.1 | 77.96 | 4.25 | 0.3RCA0RFA0SF10 | 100 | 0 | 100 | 0 | 0.3 | 570 | 370.5 | 142.5 | 57 | 851.4 | 0.0 | 757.5 | 0.0 | 5.9 | 81.40 | 4.46 | 0.43RCA0RFA0SF0 | 100 | 0 | 100 | 0 | 0.43 | 480 | 360.0 | 120.0 | 0 | 869.3 | 0.0 | 773.4 | 0.0 | 5.4 | 66.63 | 3.50 | 0.43RCA0RFA0SF10 | 100 | 0 | 100 | 0 | 0.43 | 480 | 312.0 | 120.0 | 48 | 862.3 | 0.0 | 767.2 | 0.0 | 4.4 | 72.47 | 3.75 |
| Series II | 0.3RCA100RFA0SF0 | 0 | 100 | 100 | 0 | 0.3 | 570 | 427.5 | 142.5 | 0 | 0.0 | 749.2 | 765.0 | 0.0 | 4 | 68.67 | 3.50 | 0.3RCA100RFA0SF10 | 0 | 100 | 100 | 0 | 0.3 | 570 | 370.5 | 142.5 | 57 | 0.0 | 741.9 | 757.5 | 0.0 | 4 | 70.39 | 4.13 | 0.43RCA100RFA0SF0 | 0 | 100 | 100 | 0 | 0.43 | 480 | 360.0 | 120.0 | 0 | 0.0 | 757.5 | 773.4 | 0.0 | 6.1 | 55.38 | 2.89 | 0.43RCA100RFA0SF10 | 0 | 100 | 100 | 0 | 0.43 | 480 | 312.0 | 120.0 | 48 | 0.0 | 751.3 | 767.2 | 0.0 | 5.3 | 63.89 | 3.24 |
| Series III | 0.3RCA0RFA100SF0 | 100 | 0 | 0 | 100 | 0.3 | 570 | 427.5 | 142.5 | 0 | 859.8 | 0.0 | 0.0 | 667.0 | 4 | 61.97 | 3.15 | 0.3RCA0RFA100SF10 | 100 | 0 | 0 | 100 | 0.3 | 570 | 370.5 | 142.5 | 57 | 851.4 | 0.0 | 0.0 | 660.5 | 3.3 | 64.61 | 3.59 | 0.43RCA0RFA100SF0 | 100 | 0 | 0 | 100 | 0.43 | 480 | 360.0 | 120.0 | 0 | 869.3 | 0.0 | 0.0 | 674.4 | 3.1 | 48.69 | 2.53 | 0.43RCA0RFA100SF10 | 100 | 0 | 0 | 100 | 0.43 | 480 | 312.0 | 120.0 | 48 | 862.3 | 0.0 | 0.0 | 668.9 | 5.9 | 61.04 | 2.81 |
| Series IV | 0.3RCA100RFA100SF0 | 0 | 100 | 0 | 100 | 0.3 | 570 | 427.5 | 142.5 | 0 | 0.0 | 749.2 | 0.0 | 667.0 | 4.7 | 55.76 | 2.72 | 0.3RCA100RFA100SF10 | 0 | 100 | 0 | 100 | 0.3 | 570 | 370.5 | 142.5 | 57 | 0.0 | 741.9 | 0.0 | 660.5 | 4.5 | 57.41 | 3.16 | 0.43RCA100RFA100SF0 | 0 | 100 | 0 | 100 | 0.43 | 480 | 360.0 | 120.0 | 0 | 0.0 | 757.5 | 0.0 | 674.4 | 4.1 | 46.04 | 2.20 | 0.43RCA100RFA100SF10 | 0 | 100 | 0 | 100 | 0.43 | 480 | 312.0 | 120.0 | 48 | 0.0 | 751.3 | 0.0 | 668.9 | 3.9 | 52.92 | 2.59 |
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GGBFS: ground granulated blast furnace slag. SF: silica fume. NCA: natural coarse aggregate. NFA: natural fine aggregate. RCA: recycled coarse aggregate. RFA: recycled fine aggregate.
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