Civil Engineering Reference
In-Depth Information
Table 4.16 (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
23
27.976
8.183
53.469
54.092
82.068
128.3
23
27.976
34.538
31.406
46.682
74.658
187.9
23
27.976
57.342
52.142
77.504
105.480
137
23
27.976
32.431
29.490
43.834
71.810
471.7
20
43.409
7.511
3.752
8.396
51.805
696.8
20
43.409
6.996
3.129
7.663
51.072
378.1
20
43.409
4.235
12.570
13.264
56.673
950.4
20
43.409
0.636
3.947
3.998
47.407
311.3
21
40.770
6.998
2.005
7.280
48.050
Launch (phase II)
35
22
27.517
8.113
97.060
97.398
124.915
33
23
27.976
43.294
67.427
80.130
108.106
96
21
40.770
1.241
38.666
38.686
79.456
104.7
21
40.770
18.845
16.102
24.787
65.557
62.6
19
40.288
34.252
18.594
38.974
79.262
73.6
19
40.288
12.950
27.849
30.713
71.001
119.8
23
27.976
5.488
35.862
36.280
64.256
128.3
19
40.288
16.998
10.151
19.798
60.086
187.9
23
27.976
31.507
28.650
42.585
70.561
137
19
40.288
15.298
9.136
17.819
58.107
471.7
20
43.409
2.953
1.475
3.301
46.710
696.8
20
43.409
3.553
1.589
3.892
47.301
378.1
20
43.409
1.457
4.325
4.563
47.972
950.4
20
43.409
0.325
2.016
2.042
45.451
311.3
20
43.409
1.401
1.000
1.721
45.130
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