Civil Engineering Reference
In-Depth Information
Table 4.15 (continued)
Loading phase
Frequency
(Hz)
Critical
point
Equivalent mean
static stress (MPa)
Equivalent real
amplitude stress
(MPa)
Equivalent imaginary
amplitude stress (MPa)
Equivalent
amplitude stress
(MPa)
Total equivalent
maximum stress
(MPa)
Launch (phase I)
119.8
15
25.297
8.418
20.442
22.107
47.404
128.3
15
25.297
19.807
9.171
21.827
47.124
187.9
15
25.297
32.885
15.226
36.239
61.536
137
15
25.297
18.599
8.612
20.496
45.793
471.7
17
31.656
7.350
4.934
8.853
40.509
696.8
17
31.656
2.783
3.765
4.682
36.338
378.1
17
31.656
9.240
7.594
11.960
43.616
950.4
17
31.656
0.124
1.481
1.486
33.142
311.3
17
31.656
2.364
3.031
3.843
35.499
Launch (phase II)
35
16
28.338
19.201
32.333
37.605
65.943
33
16
28.338
1.042
34.504
34.520
62.858
96
14
22.355
3.044
27.402
27.571
49.926
104.7
18
24.238
18.068
11.943
21.658
45.896
62.6
17
31.656
36.473
23.765
43.532
75.188
73.6
17
31.656
31.798
35.057
47.330
78.986
119.8
15
25.297
5.646
13.710
14.827
40.124
128.3
17
31.656
7.808
4.210
8.871
40.527
187.9
15
25.297
18.069
8.366
19.911
45.208
137
17
31.656
11.410
5.283
12.574
37.871
471.7
17
31.656
2.890
1.940
3.481
35.137
696.8
17
31.656
1.413
1.912
2.378
34.034
378.1
17
31.656
3.179
2.613
4.115
35.771
950.4
17
31.656
0.063
0.756
0.759
32.415
311.3
17
31.656
1.202
1.541
1.955
33.611
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