The Seismic Design Process of RC Column Components in SDOF System considering the Earthquake Duration Effect

Figure 3

Four types of loading hysteresis histories [23]: (a) hysteresis history S1, (b) hysteresis history S1-S, (c) hysteresis history S1-L, and (d) hysteresis history S2.

(a)

(b)

(c)

(d)