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

Figure 2

The damage phenomenon of the specimen. (a) No visible cracks. (b) Multiple horizontal cracks. (c) Horizontal cracks connecting end to end. (d) Unidirectional oblique cracks. (e) Intersecting cracks. (f) Concrete crushed.

(a)

(b)

(c)

(d)

(e)

(f)