Research Article

Stiffness and Crack Behavior of Unbonded Posttensioned Concrete Beam Strengthened with Aluminum Alloy Plate

Table 5

Comparison of calculation results and experimental results of deflection.

No.βCalculation results of deflection (mm)Initial residual deflection (mm)Experimental result of deflection (mm)Error (%)

SL20.1979.51590.06.67
SL30.2363.5566.83.29
SS10.1895.420106.4−8.08
SS20.2283.825119.08.4
SS30.2372.01589.73.01