Research for Pedestrian Steel Bridge Design of Neural Network in Structural Model Updating

Table 4

Sample selection table.

Order	Elasticity modulus E (Pa)	Material density ρ (kg/m^3)
1	1.9 × 10^11	7800
2	1.92 × 10^11	7820
3	1.94 × 10^11	7840
4	1.96 × 10^11	7860
5	1.98 × 10^11	7880
6	2.0 × 10^11	7900
7	2.02 × 10^11	7920
8	2.04 × 10^11	7940
9	2.06 × 10^11	7960
10	2.08 × 10^11	7980
11	2.1 × 10^11	8000