From: Entire mechanical analysis of prestressed CFRP strengthened RC beams under different prestressed introduced methods
Number
Prestrain%
Residual strain%
Recovery stress (MPa)
SMA wires
1
4
3.15
260.0
2
6
5.34
306.3
3
8
7.21
383.9
10
8.73
448.5
SMA-CFRP
-
185.2
238.6