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Figure 3. Combin14 element in ANSYS
OPTIMIZATION FOR DAMPERS
parameter analysis on the ground soil of the RSB
is also conducted by Jiangsu Provincial Institute
of Earthquake Engineering, and the seismic wave
velocities of ground are obtained. According to
the ground soil analysis results and the pile length
of the RSB, the shear wave velocity and the lon-
gitudinal wave velocity are set to 263 m/s and
1332 m/s, respectively.
Time history analysis shows that the maximum
longitudinal displacement at the end of the girder
is 0.42 m and the maximum overturning moment at
the base of the tower is 1.89×10 7 kN·m. Although
seismic forces of such bridges with floating system
are not the dominant loads governing the design,
Figure 4. Seismic input used in the analysis
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