Design Criterion and a Technical Approach for the Controlled Seismic Behavior of Continuous Girder Bridges

Table 2

Mechanical parameters of the limited capacity bearing.

Design parameters	Value
Equivalent yield displacement (mm)	0.8
Equivalent yield force (kN)	13.1
Equivalent friction coefficient	0.004
Elastic stiffness, Ks1 (kN/mm)	16.6
Postyield stiffness, Ks2 (kN/mm)	0.05
Ratio of postyield stiffness to elastic stiffness	0.003