Research Article
Concrete Mix Design for Service Life of RC Structures under Carbonation Using Genetic Algorithm
Table 9
Mixture design through proposed GA technique.
| | Case | Intended diffusion coefficient
(10−11 m2/sec) | w/c (%) | Cement (kg/m3) | S/a (%) | Coarse aggregate (kg/m3) | R.H. (%) |
| | A | Structure A | 1,742 | 42.3 | 300 | 38.4 | 1191.0 | 65 | | Input range | 42–58 | 300-300 | 37–43 | 800–1,200 | 65-65 |
| | B | Structure A | 1,916 | 52.7 | 330 | 38.1 | 960.2 | 65 | | Input range | 42–58 | 330-330 | 37–43 | 800–1,200 | 65-65 |
| | C | Structure B | 1,248 | 49.6 | 335 | 41.2 | 1172.8 | 75 | | Input range | 42–58 | 335-335 | 37–43 | 900–1,200 | 75-75 |
| | D | Structure B | 1,378 | 51.4 | 370 | 40.1 | 875.3 | 75 | | Input range | 42–58 | 370-370 | 37–43 | 800–1,200 | 75-75 |
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The bold numbers are results from GA.
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