Research Article

Applicability of a Simplified SDOF Method in Longitudinal Deck-Pier Poundings of Simply Supported Girder Bridges

Table 3

Parameters of a simply supported girder bridge model.

ComponentsParameters

DeckElasticity modulus is 3.45 × 107 kPa, density is 2.5 ton/m3, and cross-sectional area is 5.4 m2
PierElasticity modulus is 3.45 × 107 kPa, density is 2.5 ton/m3, and cross-sectional area is 2.0 m2
Expansion bearingHorizontal stiffness before yielding is 4.32 × 104 kN/m, yield force is 43.2 kN, and horizontal stiffness after yielding is 0
Seismic isolation bearingHorizontal stiffness before yielding is 4.32 × 104 kN/m, yield force is 43.2 kN, and horizontal stiffness after yielding is 216 kN/m
Steel block Stiffness of both gap and hook link elements is 1.0 × 1010 kN/m and Clearances are 0.1 m