A Damage Prognosis Method of Girder Structures Based on Wavelet Neural Networks

Table 7

Training samples.

𝑁	𝐸0 (×10^4 MPa)	𝐸1 (×10^4 MPa)	𝐸2 (×10^4 MPa)	𝐸3 (×10^4 MPa)	Vehicle load 𝐹	The maximum value of displacement	The maximum value of strain
1	2.5	1.5	2	1.5	2.0	35.700	443.51
2	2.5	3.3	2	3	2.0	28.316	347.75
⋮	⋮	⋮	⋮		⋮	⋮	⋮
30	3.5	1.5	2.6	1.5	1.1	16.164	198.27
31	2.5	3.3	3.5	1.5	2.0	28.969	352.76

Notice: the value of vehicle load (𝐹) is the 𝑛 times of highway-𝐼 load.