Civil Engineering Reference
In-Depth Information
Table 4.12 (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)
128.3
5
36.938
7.885
7.901
11.163
48.101
187.9
4
34.073
16.692
14.189
21.908
55.981
137
5
36.938
7.404
7.419
10.482
47.420
471.7
2
39.439
0.807
3.986
4.067
43.506
696.8
2
39.439
0.333
0.976
1.032
40.471
378.1
2
39.439
2.388
2.679
3.588
43.027
950.4
2
39.439
0.368
2.212
2.242
41.681
311.3
2
39.439
3.634
1.754
4.035
43.474
Launch (phase II)
35
2
39.439
19.062
79.178
81.440
120.879
33
2
39.439
24.502
79.696
83.377
122.816
96
1
35.185
1.673
35.097
35.137
70.322
104.7
2
39.439
14.335
11.308
18.258
57.697
62.6
3
34.961
17.174
1.824
17.271
52.232
73.6
3
34.961
15.486
3.333
15.841
50.802
119.8
2
39.439
8.305
1.654
8.468
47.907
128.3
2
39.439
4.904
1.570
5.149
44.588
187.9
5
36.938
7.193
7.208
10.183
47.121
137
2
39.439
4.413
1.413
4.634
44.073
471.7
2
39.439
0.317
1.567
1.599
41.038
696.8
2
39.439
0.169
0.496
0.524
39.963
378.1
2
39.439
0.822
0.922
1.235
40.674
950.4
2
39.439
0.188
1.130
1.145
40.584
311.3
2
39.439
1.848
0.892
2.052
41.491
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