Flexural Behaviour of Unbonded Posttensioned Concrete Beam Strengthened with Aluminium Alloy Plates

Figure 11

Load strain of the AA plate. (a) AL1, (b) AL2, (c) AL3, (d) AS1, (e) AS2, and (f) AS3.

(a)

(b)

(c)

(d)

(e)

(f)