Research Article
Effect of Dry-Wet Circulation on Moisture Absorption of Autoclaved Aerated Concrete
Table 3
Moisture absorption kinetic parameters affected by temperature and relative humidity.
| Dry-wet circulation times | T (°C) | RH (%) | A | B | C | D | y0 | R2 | MAPE (%) |
| 0 | 20 | 40 | −10.269 | 8.561 | 0.566 | 0.839 | 14.323 | 0.9851 | 5.60 | 60 | −10.332 | 9.125 | 0.624 | 0.925 | 19.521 | 0.9862 | 5.78 | 80 | −10.489 | 9.568 | 0.718 | 0.991 | 20.156 | 0.9872 | 2.01 | 30 | 40 | −10.063 | 8.123 | 0.501 | 0.812 | 15.126 | 0.9901 | 1.02 | 60 | −10.221 | 9.001 | 0.613 | 0.905 | 20.021 | 0.9865 | 4.16 | 80 | −10.378 | 9.224 | 0.695 | 0.974 | 22.698 | 0.9870 | 3.98 | 40 | 40 | −9.354 | 7.823 | 0.495 | 0.801 | 15.269 | 0.9901 | 2.68 | 60 | −9.456 | 8.125 | 0.532 | 0.884 | 20.369 | 0.9962 | 1.77 | 80 | −9.621 | 8.993 | 0.613 | 0.963 | 24.658 | 0.9914 | 5.06 | 50 | 40 | −9.020 | 7.024 | 0.485 | 0.826 | 15.761 | 0.9856 | 5.09 | 60 | −9.324 | 7.895 | 0.504 | 0.852 | 21.029 | 0.9874 | 4.98 | 80 | −9.159 | 7.562 | 0.483 | 0.941 | 25.694 | 0.9981 | 3.54 |
| 30 | 20 | 40 | −8.734 | 6.522 | 0.378 | 0.754 | 14.562 | 0.9914 | 5.61 | 60 | −8.996 | 7.100 | 0.485 | 0.824 | 21.458 | 0.9926 | 5.22 | 80 | −9.023 | 7.523 | 0.503 | 0.851 | 27.719 | 0.9898 | 4.69 | 30 | 40 | −8.459 | 6.313 | 0.359 | 0.711 | 15.369 | 0.9816 | 3.58 | 60 | −8.721 | 6.954 | 0.451 | 0.803 | 22.698 | 0.9862 | 3.29 | 80 | −8.926 | 6.999 | 0.483 | 0.862 | 28.317 | 0.9876 | 5.49 | 40 | 40 | −8.026 | 6.014 | 0.326 | 0.698 | 15.461 | 0.9811 | 1.93 | 60 | −8.321 | 6.221 | 0.389 | 0.721 | 23.584 | 0.9869 | 2.86 | 80 | −8.643 | 6.485 | 0.411 | 0.815 | 29.918 | 0.9910 | 3.59 | 50 | 40 | −7.982 | 5.934 | 0.300 | 0.640 | 15.864 | 0.9956 | 2.66 | 60 | −8.031 | 6.108 | 0.396 | 0.695 | 24.581 | 0.9960 | 5.49 | 80 | −8.451 | 6.217 | 0.404 | 0.743 | 30.651 | 0.9937 | 3.72 |
| 60 | 20 | 40 | −6.156 | 4.259 | 0.254 | 0.621 | 14.782 | 0.9956 | 5.09 | 60 | −6.945 | 4.563 | 0.326 | 0.743 | 25.681 | 0.9952 | 3.26 | 80 | −7.298 | 4.982 | 0.385 | 0.792 | 38.652 | 0.9914 | 4.15 | 30 | 40 | −6.164 | 4.121 | 0.210 | 0.603 | 15.562 | 0.9962 | 5.19 | 60 | −6.832 | 4.263 | 0.301 | 0.729 | 25.891 | 0.9957 | 4.27 | 80 | −7.026 | 4.654 | 0.362 | 0.758 | 37.621 | 0.9856 | 3.79 | 40 | 40 | −5.892 | 4.001 | 0.205 | 0.513 | 15.763 | 0.9973 | 5.09 | 60 | −5.990 | 4.059 | 0.295 | 0.654 | 26.316 | 0.9956 | 4.52 | 80 | −6.991 | 4.785 | 0.342 | 0.719 | 38.654 | 0.9913 | 5.13 | 50 | 40 | −5.642 | 3.298 | 0.195 | 0.506 | 15.996 | 0.9862 | 4.69 | 60 | −5.448 | 3.998 | 0.274 | 0.618 | 26.981 | 0.9901 | 5.71 | 80 | −6.210 | 4.789 | 0.306 | 0.698 | 39.152 | 0.9924 | 3.48 |
| 150 | 20 | 40 | −4.231 | 1.789 | 0.102 | 0.578 | 16.029 | 0.9815 | 3.27 | 60 | −4.998 | 2.012 | 0.201 | 0.692 | 27.069 | 0.9863 | 3.16 | 80 | −5.436 | 2.234 | 0.265 | 0.721 | 40.621 | 0.9821 | 3.78 | 30 | 40 | −4.099 | 1.059 | 0.095 | 0.596 | 16.298 | 0.9853 | 4.09 | 60 | −4.554 | 1.952 | 0.194 | 0.671 | 27.981 | 0.9916 | 4.17 | 80 | −5.086 | 1.998 | 0.253 | 0.706 | 41.698 | 0.9863 | 4.92 | 40 | 40 | −4.061 | 0.956 | 0.085 | 0.548 | 16.559 | 0.9915 | 5.01 | 60 | −4.553 | 0.994 | 0.184 | 0.641 | 28.653 | 0.9963 | 5.17 | 80 | −4.987 | 1.265 | 0.226 | 0.695 | 42.563 | 0.9987 | 5.29 | 50 | 40 | −3.562 | 0.148 | 0.074 | 0.521 | 16.885 | 0.9816 | 5.72 | 60 | −3.264 | 0.263 | 0.176 | 0.619 | 29.364 | 0.9914 | 5.48 | 80 | −4.029 | 0.369 | 0.201 | 0.684 | 43.591 | 0.9863 | 5.29 |
| 270 | 20 | 40 | −1.462 | −0.946 | 0.059 | 0.462 | 17.566 | 0.9911 | 4.19 | 60 | −1.689 | −1.023 | 0.078 | 0.593 | 24.965 | 0.9930 | 3.72 | 80 | −2.968 | −1.569 | 0.155 | 0.676 | 44.319 | 0.9865 | 4.16 | 30 | 40 | −1.392 | −0.924 | 0.046 | 0.491 | 18.986 | 0.9923 | 3.99 | 60 | −1.545 | −0.986 | 0.072 | 0.612 | 26.597 | 0.9862 | 4.08 | 80 | −2.762 | −1.466 | 0.149 | 0.728 | 45.495 | 0.9943 | 3.07 | 40 | 40 | −1.326 | −0.918 | 0.033 | 0.534 | 19.365 | 0.9863 | 5.12 | 60 | −1.523 | −0.909 | 0.070 | 0.691 | 27.159 | 0.9940 | 3.11 | 80 | −2.649 | −1.465 | 0.145 | 0.768 | 46.298 | 0.9823 | 2.48 | 50 | 40 | −1.291 | −0.883 | 0.021 | 0.649 | 20.113 | 0.9862 | 3.39 | 60 | −1.468 | −0.898 | 0.053 | 0.726 | 28.163 | 0.9847 | 3.72 | 80 | −2.620 | −1.385 | 0.109 | 0.837 | 48.557 | 0.9914 | 4.47 |
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Note: T = temperature; RH = relative humidity.
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