Uncertainties: Retrofitted Piers

Uncertainties in Capacity (β_c)

Method	β_c-L.S.1	β_c-L.S.2	β_c-L.S.3	β_c-L.S.4	β_c-mean
R/C Jacket	0.17	0.28	0.37	0.41	0.31
FRP Jacket	0.10	0.32	0.46	0.52	0.35

Reference

Stefanidou, S. P., & Kappos, A. J. (2017). Methodology for the development of bridge-specific fragility curves. Earthquake Engineering & Structural Dynamics, 46, 73–93. https://doi.org/10.1002/eqe.2774

Uncertainties in Limit State definition (β_LS)

Uncertainty in Limit State definition for all different pier types, considering drift (%) as EDP

Pier Type	β_LS,1	β_LS,2	β_LS,3	β_LS,4	β_LS,mean*
Cylindrical	0.10	-	0.10	-	0.10
Rectangular	0.10	-	0.30	-	0.20
Hollow Rectangular	0.47	0.02	0.38	-	0.29

* Values based on statistical analysis of the limit state definitions in literature, available in the database.

Uncertainties in Capacity (βc)

Uncertainties in Limit State definition (βLS)

Uncertainties in Capacity (β_c)

Uncertainties in Limit State definition (β_LS)