An Experimental Study on Concrete Flat Slabs Prestressed with Carbon Fibre Reinforced Polymer Sheets

Figure 13

Strain curves of the concrete and the steel bars at the midspan cross section.

(a) Strain curve of the ordinary steel bars in the RC slab

(b) Strain curve of the steel bars in the CFRP slab

(c) Strain curve of the concrete in the RC slab

(d) Strain curve of the concrete in the CFRP slab