Cyclic Load Responses of GFRP-Strengthened Hollow Rectangular Bridge Piers
Table 4
Experimental results.
Specimen number
Loading direction
/(kN/mm)
/kN
/mm
/kN
/mm
/kN
/mm
Accumulated dissipated energy/(kN·m)
/mm
SU-1
Push
24.74
165.75
10.46
191.41
20.05
162.70
57.51
178.80
47.05
5.49
Pull
24.92
160.79
10.34
190.13
21.17
161.61
50.67
40.33
4.90
Average
24.83
163.27
10.40
190.77
20.61
162.16
54.09
43.69
5.2
SHG-2
Push
29.32
168.25
8.90
197.85
19.88
168.17
53.78
207.39
44.88
6.04
Pull
21.60
146.81
13.53
183.69
28.13
156.14
62.78
49.25
4.64
Average
25.46
157.53
11.22
190.77
24.00
162.16
58.28
47.06
5.20
SHG-3
Push
37.88
165.87
6.56
197.83
20.78
168.16
53.00
212.07
46.44
8.08
Pull
30.61
159.03
8.29
188.82
27.49
160.50
57.03
48.74
6.88
Average
34.24
162.45
7.42
193.33
24.14
164.33
55.01
47.59
7.41
LU-1
Push
9.89
67.35
17.79
92.37
45.91
78.51
91.40
180.50
73.61
5.14
Pull
3.15
64.85
33.85
75.31
66.32
64.01
93.42
59.57
2.76
Average
6.52
66.10
25.82
83.84
56.12
71.26
92.41
66.59
3.45
LHG-2
Push
10.30
72.59
13.95
92.37
38.98
78.51
91.95
239.31
78.00
6.60
Pull
8.94
67.97
16.36
84.97
44.49
72.23
93.65
77.29
5.72
Average
9.62
70.28
15.15
88.67
41.74
75.37
92.80
77.65
6.12
LHG-3
Push
9.47
75.36
15.14
94.97
44.73
80.72
90.43
238.25
75.29
5.97
Pull
11.34
65.50
12.91
87.56
43.96
74.43
97.07
84.16
7.52
Average
10.41
70.43
14.03
91.27
44.35
77.57
93.75
79.73
6.68
Note: (a) and denote yield displacement and yield force, respectively. (b) and denote maximum lateral force and corresponding displacement, respectively. (c) and stand for ultimate displacement and corresponding displacement, respectively. (d) denotes displacement ductility coefficient.
