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 ParameterEX1EX2EX3

Case I36.00 36.0836.9039.4564.8064.57
1.50 1.640.901.03−1.50 −1.30
1.501.331.101.06−1.50 −1.59
100.00101.85100.00 101.85100.00101.85

Case II50.4050.8457.60 55.7857.6057.34
39.6039.2336.0035.8546.8047.00
70.0075.0270.0073.1670.0069.26
100.0098.68100.0097.99100.00103.27

Case III39.60 38.8264.8063.4554.0051.76
3.503.73−3.50−3.15−2.00−1.63
80.00 83.9280.0088.22180.0088.22
120.00 119.89120.00114.91120.00111.19

Case IV39.6039.6257.6057.6061.20 61.34
2.001.99−2.50−2.49−2.50 −2.55
70.0068.7770.00 69.7570.0075.32
130.00129.76130.00128.79130.00 125.07
130.00123.99120.00 128.88130.00142.76