Quantitative Definition of Seismic Performance Levels for Precast Bridge Piers with Continuous Reinforcement

Table 7

M-Phi analysis result based on the proposed seismic evaluation criteria.

M-Phi
	Concrete cracking		Reinforcement yielding		Tendon yielding		Cover concrete spalling				Reinforcement fracture		Tendon fracture
	Displacement (mm)	Load (kN)	Displacement (mm)	Load (kN)	Displacement (mm)	Load (kN)	Drift (%)	Displacement (mm)	Load (kN)	Displacement (mm)	Load (kN)	Displacement (mm)	Load (kN)
T50PT1A	1.01	53.4	22.7	390	12.4	280	1.23	33.8	421	395.8	441	217	517
T75PT1A	0.86	65.2	22.2	421	12.1	311	1.28	35.3	459	388.2	455	216	542
T75PT2A	0.35	26.8	22.7	425	27.7	465	1.28	35.3	506	393.3	422	227	609
T75PT3A	0.58	42.8	22.7	429	22.7	429	1.26	34.5	484	393.3	432	227	582