Seismic Damage Behavior of Aeolian Sand Concrete Columns with an Inner Square Steel Tube

Figure 7

Hysteresis curves of the seven specimens. (a) PC1. (b) SC1. (c) SC2. (d) SC3. (e) TSC1. (f) TSC2. (g) TSC3.

(a)

(b)

(c)

(d)

(e)

(f)

(g)