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

<div>Fitting curves of parameters <i>η</i><sub>1</sub> and <i>η</i><sub>2</sub>.</div>

Mathematical Problems in Engineering

Figure 15: Flexural Behaviour of Unbonded Posttensioned Concrete Beam Strengthened with Aluminium Alloy Plates 