Influence of Cross-Sectional Shape on the Mechanical Properties of Concrete Canvas and CFRP-Reinforced Columns

Figure 9

The stress-strain curves. (a) CFRP-reinforced column concrete surface. (b) CC and CFRP-reinforced column concrete surface. (c) CFRP-reinforced column fiber surface. (d) CC and CFRP-reinforced column fiber surface. (e) Strain difference between fiber and the concrete surface. (f) Strain at different positions on a square column. (g) Strain at different positions of the octagonal column. (h) Strain at different positions of the circular and the elliptical columns.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)