Feasibility Study of Using Engineered Cementitious Composite and High-Strength Bars in Rigid Bridge Piers Based on Seismic Vulnerability Analysis

Table 4

Mean and standard deviation of capacity-demand ratio of the pier bottom section.

Peak acceleration PGA/g	ln (PGA) (g)	Mean λ	Standard deviation σ
0.2	−1.6094	−1.4517	0.7103
0.4	−0.9163	−0.6107	0.7103
0.6	−0.5108	−0.0926	0.7103
0.8	−0.2231	0.2692	0.7103
1	0	0.5515	0.7103