Research Article
Stochastic Seismic Analysis and Comparison of Alternative External Dissipative Systems
Table 1
Modal analysis results of the bare building and of the retrofitted building.
| Mode | NR | FB | RB | [s] | [s] | | [s] | [s] | | [s] | [s] | |
| | 1.204 | 1.204 | 0.05 | 1.204 | 1.047 | 0.330 | 1.168 | 1.029 | 0.342 | | 0.391 | 0.391 | 0.05 | 0.391 | 0.387 | 0.143 | 0.255 | 0.230 | 0.131 | | 0.218 | 0.218 | 0.075 | 0.218 | 0.217 | 0.129 | 0.122 | 0.118 | 0.107 | | 0.138 | 0.138 | 0.111 | 0.138 | 0.138 | 0.146 | 0.078 | 0.078 | 0.138 | | 0.093 | 0.093 | 0.161 | 0.093 | 0.093 | 0.185 | 0.058 | 0.058 | 0.182 | | 0.068 | 0.068 | 0.218 | 0.068 | 0.068 | 0.235 | 0.046 | 0.046 | 0.227 | | 0.056 | 0.056 | 0.266 | 0.056 | 0.056 | 0.280 | 0.040 | 0.040 | 0.261 |
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