FAN Liang, ZHOU Zhixiang. A Performance Based Seismic Method to R.C. Arched Bridge[J]. Journal of Civil and Environmental Engineering, 2009, 31(1): 55-59.
FAN Liang, ZHOU Zhixiang. A Performance Based Seismic Method to R.C. Arched Bridge[J]. Journal of Civil and Environmental Engineering, 2009, 31(1): 55-59. DOI: 10.11835/j.issn.1674-4764.2009.01.012.
the aseismic theory based on displacement generally is used in vibration damping design. This theory cannot be applied to reinforced concrete (RC) arched bridges
however
due to the tremendous rigidity of these bridges. To address this situation
a new vibration damping method called an “intelligent aseismic control system with changed rigidity of RC arched bridges” is suggested. With this method
the system of the main arch will be changed
the rigidity lowered
the deformed capability increased
and the displacement and stress can be under double control. When an earthquake occurs
the RC arched bridge stress can be lowered while the displacement is not obviously increased with this method.