Research Article
Study on Passive and Semiactive Control Systems in Structures under Near- and Far-Field Earthquakes
Table 8
Performance criteria for the proposed control systems under far-field earthquakes: reduced stiffness in the 1st story.
| | | PGA (g) | | | 0.1 | 0.2 | 0.3 | 0.4 | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 | 1.0 |
| | MR | 0.8599 | 0.8150 | 0.8067 | 0.8394 | 0.8556 | 0.8698 | 0.8534 | 0.8372 | 0.8471 | 0.8646 | TMD | 0.8428 | 0.8449 | 0.8674 | 0.9070 | 0.9236 | 0.9604 | 0.9748 | 0.9730 | 0.9609 | 0.9508 | MR + TMD | 0.7225 | 0.7142 | 0.7360 | 0.7750 | 0.8051 | 0.8298 | 0.8286 | 0.8257 | 0.8355 | 0.8409 |
| | MR | 1.0507 | 1.0391 | 1.0250 | 1.0238 | 1.0205 | 1.0129 | 1.0130 | 1.0133 | 1.0114 | 1.0090 | TMD | 0.9799 | 0.9836 | 0.9893 | 1.0002 | 1.0039 | 0.9997 | 0.9999 | 0.9993 | 0.9977 | 0.9972 | MR + TMD | 1.0125 | 1.0073 | 1.0098 | 1.0170 | 1.0218 | 1.0142 | 1.0136 | 1.0131 | 1.0101 | 1.0072 |
| | MR | 0.3064 | 0.3152 | 0.3535 | 0.3841 | 0.4215 | 0.4328 | 0.4405 | 0.4468 | 0.4578 | 0.4482 | TMD | 0.8872 | 0.8969 | 0.9496 | 0.9695 | 0.9968 | 0.9913 | 0.9894 | 0.9878 | 0.9942 | 0.9824 | MR + TMD | 0.2583 | 0.2720 | 0.3260 | 0.3528 | 0.3936 | 0.4167 | 0.4253 | 0.4387 | 0.4460 | 0.4362 |
| | MR | 0.1841 | 0.2339 | 0.2774 | 0.3057 | 0.3381 | 0.3572 | 0.3661 | 0.3754 | 0.3920 | 0.4103 | TMD | 0.8802 | 0.8876 | 0.9330 | 0.9606 | 0.9841 | 0.9961 | 0.9851 | 0.9839 | 0.9720 | 0.9724 | MR + TMD | 0.1556 | 0.1928 | 0.2451 | 0.2708 | 0.3167 | 0.3399 | 0.3512 | 0.3663 | 0.3853 | 0.3958 |
| | MR | 0.9067 | 0.8291 | 0.7416 | 0.7466 | 0.7645 | 0.7759 | 0.7620 | 0.7557 | 0.7563 | 0.7764 | TMD | 0.7416 | 0.7500 | 0.7520 | 0.7949 | 0.8268 | 0.8826 | 0.9012 | 0.9080 | 0.9100 | 0.9039 | MR + TMD | 0.5911 | 0.5850 | 0.5686 | 0.5974 | 0.6199 | 0.6683 | 0.6730 | 0.6746 | 0.6907 | 0.7167 |
| | MR | 1.0748 | 1.0249 | 0.9834 | 0.9887 | 0.9937 | 0.9946 | 0.9976 | 1.0119 | 1.0020 | 1.0043 | TMD | 1.0194 | 1.0248 | 1.0349 | 1.0615 | 1.0576 | 1.0864 | 1.0909 | 1.0943 | 1.0979 | 1.1015 | MR + TMD | 0.9447 | 0.9342 | 0.9296 | 0.9494 | 0.9450 | 0.9806 | 0.9865 | 0.9905 | 0.9939 | 0.9967 |
| | MR | 0.2954 | 0.2811 | 0.2706 | 0.2898 | 0.3164 | 0.3370 | 0.3529 | 0.3635 | 0.3677 | 0.3715 | TMD | 0.7752 | 0.7863 | 0.8033 | 0.8485 | 0.8769 | 0.9141 | 0.9261 | 0.9346 | 0.9457 | 0.9547 | MR + TMD | 0.2073 | 0.2123 | 0.2246 | 0.2469 | 0.2725 | 0.3021 | 0.3193 | 0.3316 | 0.3400 | 0.3455 |
| | MR | 0.1406 | 0.1690 | 0.1851 | 0.2171 | 0.2505 | 0.2783 | 0.3025 | 0.3211 | 0.3368 | 0.3633 | TMD | 0.7666 | 0.7768 | 0.7897 | 0.8358 | 0.8661 | 0.9044 | 0.9182 | 0.9266 | 0.9341 | 0.9392 | MR + TMD | 0.0973 | 0.1205 | 0.1487 | 0.1808 | 0.2123 | 0.2462 | 0.2703 | 0.2894 | 0.3102 | 0.3346 |
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