Effect of Axial Compression Ratio on Seismic and Self-Centering Performance of Unbonded Prestressed Concrete Columns

Figure 4

Failure modes of specimens. (a) PTRC-1. (b) PURC-1. (c) PURC-2. (d) PURC-3. (e) PURC-4.

(a)

(b)

(c)

(d)

(e)