Table 3 Wind pressure curve parameters: (a) different train speeds; (b) different clearances under bridge

Train speed (km/h)

l_head(m)

l_tail(m)

K_head/K_{before head}

K_head/K_{after head}

K_tail/K_{before tail}

K_tail/K_{after tail}

200

10

12

5

4

3

5

250

10

12

5

4

3

5

300

11

11

4

3

3

5

350

10

12

5

4

3

5

400

11

12

4

4

3

4

Average value

10

12

4

4

3

5

Clearance under bridge (m)

l_head(m)

l_tail(m)

K_head/K_{before head}

K_head/K_{after head}

K_tail/K_{before tail}

K_tail/K_{after tail}

5.25

10

8

4

3

3

6

7.25

10

12

5

4

3

5

9.25

14

14

3

3

3

4

11.25

18

18

3

3

3

4

13.25

18

19

4

4

3

4

Average value

14

14

4

3

3

5