Research Article
An Advanced Coupled Genetic Algorithm for Identifying Unknown Moving Loads on Bridge Decks
Table 1
Estimated parameters values of the final run for the different examples for each case (
: measured value,
∗: estimated value).
| | | Measured and estimated values |
Model |
Parameter | EX1 | EX2 | EX3 | | | | | | | | |
| Case I | | 36.00 | 36.08 | 36.90 | 39.45 | 64.80 | 64.57 | | 1.50 | 1.64 | 0.90 | 1.03 | −1.50 | −1.30 | | 1.50 | 1.33 | 1.10 | 1.06 | −1.50 | −1.59 | | 100.00 | 101.85 | 100.00 | 101.85 | 100.00 | 101.85 |
| Case II | | 50.40 | 50.84 | 57.60 | 55.78 | 57.60 | 57.34 | | 39.60 | 39.23 | 36.00 | 35.85 | 46.80 | 47.00 | | 70.00 | 75.02 | 70.00 | 73.16 | 70.00 | 69.26 | | 100.00 | 98.68 | 100.00 | 97.99 | 100.00 | 103.27 |
| Case III | | 39.60 | 38.82 | 64.80 | 63.45 | 54.00 | 51.76 | | 3.50 | 3.73 | −3.50 | −3.15 | −2.00 | −1.63 | | 80.00 | 83.92 | 80.00 | 88.221 | 80.00 | 88.22 | | 120.00 | 119.89 | 120.00 | 114.91 | 120.00 | 111.19 |
| Case IV | | 39.60 | 39.62 | 57.60 | 57.60 | 61.20 | 61.34 | | 2.00 | 1.99 | −2.50 | −2.49 | −2.50 | −2.55 | | 70.00 | 68.77 | 70.00 | 69.75 | 70.00 | 75.32 | | 130.00 | 129.76 | 130.00 | 128.79 | 130.00 | 125.07 | | 130.00 | 123.99 | 120.00 | 128.88 | 130.00 | 142.76 |
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