Seismic Test and Simulation of Spring Vibration Isolated Foundation for Turbo-Generator
Table 6
Max values of seismic response.
Seismic experiments
SeismoStruct simulation
Displacement (mm)
Acceleration (m/s2)
Velocity (m/s)
Restoring force (kN)
Displacement (mm)
Acceleration (m/s2)
Velocity (m/s)
Restoring force (kN)
1
37.17
0.64
0.13
8484
32.55 (12%)
0.60 (6%)
0.12 (8%)
9948 (−17%)
2
32.60
0.69
0.14
9485
35.78 (−10%)
0.77 (−12%)
0.17 (−21%)
9636 (−2%)
3
25.99
0.52
0.11
7081
24.67 (5%)
0.45 (13%)
0.10 (9%)
7727 (−9%)
4
47.43
0.91
0.19
12367
48.59 (−2%)
0.93 (−2%)
0.21 (−11%)
14444 (−17%)
5
41.77
0.73
0.16
9734
37.25 (11%)
0.59 (19%)
0.13 (19%)
9585 (2%)
6
39.14
0.75
0.16
10266
37.84 (3%)
0.85 (−13%)
0.18 (−13%)
12888 (−26%)
Note. In parentheses, the percentage of deviation between test and simulation results is shown. The positive value indicates that the test results are larger than the simulation results.
