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Advances in Bridge Engineering

Table 2 Recovery stress and residual strain of SMA wires

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

4

10

8.73

448.5

SMA-CFRP

1

6

-

185.2

2

8

-

238.6

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