Research Article
Seismic Vulnerability Analysis of Multispan Continuous Bridges Subjected to Mainshock-Aftershock Earthquake Sequences
Table 2
Calculation parameters of the damage index of piers.
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 |  | Number of pier | (m−1) | ϕy (m−1) | Δcy1 (m) | Δcy (m) | Δc4 (m) |  | 
 |  | 1# | 0.001010 | 0.001211 | 0.0315 | 0.0378 | 0.0468 |  | 2# | 0.001039 | 0.001250 | 0.2299 | 0.2766 | 0.2934 |  | 3# | 0.001038 | 0.001249 | 0.2128 | 0.2560 | 0.2678 |  | 4# | 0.001002 | 0.001200 | 0.0281 | 0.0336 | 0.0417 |  | 5# | 0.001029 | 0.001235 | 0.0939 | 0.1128 | 0.1368 |  | 
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