Seismic Design of Bridges against Near-Fault Ground Motions Using Combined Seismic Isolation and Restraining Systems of LRBs and CDRs

Table 5

Comparison of the stirrup ratio.

Specification	Stirrup ratio (%); Pier height H = 5 m, 6 m, 7 m, 9 m
Sun’s formula [16]	0.48, 0.47, 0.46, 0.44
European code EN1998-2	0.80, 0.80, 0.80, 0.80
Caltrans 2006	0.57, 0.56, 0.56, 0.56
China’s guidelines	0.40, 0.40, 0.40, 0.40