Optimisation of Longitudinal Seismic Energy Dissipation System for Straddle-type Monorail-Cum-Road Long-Span Cable-Stayed Bridge

Table 4

Structural seismic longitudinal response results of the three considerations.

Seismic response	Case 1	Case 2	Case 3
Relative displacement of the main tower and main girder (m)	1.151	0.994	0.942
Displacement at the top section of the main tower (m)	1.403	1.241	1.188
Displacement at the end section of the main girder (m)	1.244	1.084	1.033
Relative displacement of the main girder between the main bridge and the approach bridge (m)	0.936	0.776	0.726
Bending moment at the bottom section of the main tower (MN·m)	6380.2	6044.7	5933.1
Bending moment at the bottom section of the auxiliary pier (MN·m)	1023.2	688.2	686.6