Aerodynamic loads and bridge responses under train passage: case study of an overpass steel box-girder cable-stayed bridge

Advances in Bridge Engineering

Table 1 Positive extremum and negative extremum of “head wave” and “tail wave” of bottom plate at different train speeds

Item	Wind extremum of bottom plate at different train speeds (Pa)					Correlation relation P	Correlation coefficient R²
Item	200 km/h	250 km/h	300 km/h	350 km/h	400 km/h	Correlation relation P	Correlation coefficient R²
Positive extremum of “head wave”	88	137	196	269	349	P = 0.0023v^1.9912	0.9999
Positive extremum of “tail wave”	− 93	− 145	− 207	− 284	− 374	P = 0.0016v^2.0147	1
Negative extremum of “head wave”	− 92	− 143	−207	− 281	− 366	P = –0.0020v^2.0296	0.9999
Negative extremum of “tail wave”	70	110	159	217	284	P = –0.0024v^1.9946	1