PSI - Issue 52
Govardhan Polepally et al. / Procedia Structural Integrity 52 (2024) 280–292 Govardhan Polepally/ Structural Integrity Procedia 00 (2019) 000 – 000
289
10
13
8.00
8.00
8.00
8.17
6.97
7.90
15
8.25
8.50
8.50
8.63
8.68
8.57
17
8.25
8.25
8.25
8.63
8.68
8.57
19
8.50
8.50
8.50
8.68
8.69
8.63
21
8.25
8.25
8.00
8.28
8.81
8.74
23
8.00
8.00
8.00
8.22
8.25
8.27
25
8.25
8.00
8.25
9.00
8.97
8.46
27
8.00
7.50
9.00
7.45
7.78
7.05
29
8.25
8.25
8.25
8.27
8.30
8.22
31
8.00
8.00
8.00
8.64
8.36
8.56
33
8.00
8.00
8.00
7.43
5.39
8.35
35
8.00
8.00
8.00
8.67
8.60
8.67
37
8.00
8.00
8.00
8.28
8.99
8.69
39
8.00
8.00
8.00
7.94
8.40
8.44
41
8.00
8.00
8.00
8.36
8.67
8.60
43
8.50
8.50
8.50
8.46
8.39
8.46
Table 4. Comparison of first bending frequency of girder-1 between FDD and SSI subjected to HJ-1 to 3. Span Number Girder-2 Frequencies (Hz) using FDD Girder-2 Frequencies (Hz) using SSI
HJ-1
HJ-2
HJ-3
HJ-1
HJ-2
HJ-3
2
8.00
8.00
8.00
8.77
8.72
8.39
3
8.50
8.25
8.25
8.81
8.66
8.42
5
8.25
8.25
8.25
9.09
8.59
8.17
7
8.50
8.50
8.50
8.83
8.61
8.74
9
8.25
8.50
8.50
8.78
9.32
8.92
11
8.50
8.00
8.50
8.86
8.62
8.65
13
8.00
8.00
8.00
8.25
7.90
8.18
15
8.25
8.50
8.25
8.78
9.32
8.92
17
8.25
8.25
8.25
8.78
9.32
8.92
19
8.50
8.50
8.00
8.87
8.84
8.50
21
8.25
8.25
8.00
8.42
8.95
8.79
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