Experimental and Analytical Study on Seismic Behavior of Strengthened Existing Single Frame Structures with Exterior Cantilevers
Table 2
Test results.
Specimen
Pcr
Py
Pmax
Pu
Pu/Pmax
μ
S1
27.84
3.14
52.73
10.03
105.51
32.95
89.68
38.19
0.85
3.81
−28.92
−2.27
−56.53
−8.56
−90.43
−23.93
−76.87
−33.62
0.85
3.93
S2
37.6
0.41
186.64
11.32
238.35
27.32
223.45
30.38
0.94
2.68
−38.12
−0.97
−167.33
−9.72
−218
−21.43
−185.3
−24.45
0.85
2.52
S3
29.47
0.64
93.35
10.37
135.79
32.14
132.43
33.08
0.98
3.19
−29.25
−1.77
−109.91
−8.83
−175.2
−18.00
−148.92
−25.17
0.85
2.85
Note: the cracking load Pcr is corresponding to the applied load that once the first crack was observed on the specimen, and the yield load Py is obtained using the so-called equivalent energy method [15] based on the skeleton curves shown in Figure 7.
