Research Article
Experimental Research on Damping Effect of Double-Layer Tuned Mass Damper for High-Rise Structure
Table 8
Decreasing ratios of the model with the DTMD under Site-II ground motions.
| | Parameters | RSN | Peak (g) | Connection cases | Decreasing ratio (%) | | I | II | III | I | Average | II | Average | III | Average |
| | ADR (mm) | 56 (130) | 0.35 | 6.28 | 6.11 | 5.89 | 6.3 | 6.0 | 8.8 | 9.0 | 12.1 | 11.1 | | 56 (220) | 2.37 | 2.37 | 2.27 | 5.9 | 5.8 | 9.8 | | 83 | 4.36 | 4.06 | 4.10 | 5.8 | 12.4 | 11.5 | | 56 (130) | 1.00 | 8.64 | 8.47 | 8.14 | 10.7 | 5.6 | 12.4 | 11.1 | 15.8 | 15.0 | | 56 (220) | 5.66 | 4.82 | 4.76 | -4.1 | 11.4 | 12.5 | | 83 | 7.63 | 7.69 | 7.09 | 10.2 | 9.6 | 16.6 |
| | RMS-ADR (mm) | 56 (130) | 0.35 | 2.14 | 2.15 | 2.05 | 9.7 | 7.1 | 9.4 | 9.7 | 13.6 | 11.6 | | 56 (220) | 0.77 | 0.76 | 0.76 | 7.9 | 9.4 | 9.4 | | 83 | 1.79 | 1.67 | 1.64 | 3.6 | 10.3 | 11.9 | | 56 (130) | 1.00 | 4.17 | 4.06 | 3.95 | 12.6 | 10.0 | 14.9 | 12.3 | 17.2 | 14.5 | | 56 (220) | 3.18 | 3.08 | 3.08 | 6.3 | 9.1 | 9.2 | | 83 | 4.14 | 4.05 | 3.86 | 11.2 | 13.0 | 17.1 |
| | AR (m/s2) | 56 (130) | 0.35 | 1.60 | 1.55 | 1.53 | 7.8 | 6.5 | 10.5 | 7.7 | 11.8 | 10.5 | | 56 (220) | 1.20 | 1.22 | 1.16 | 5.4 | 3.9 | 8.7 | | 83 | 1.52 | 1.48 | 1.44 | 6.4 | 8.8 | 11.0 | | 56 (130) | 1.00 | 3.80 | 3.65 | 3.52 | 9.8 | 7.5 | 13.2 | 11.3 | 16.4 | 13.7 | | 56 (220) | 3.31 | 3.14 | 3.14 | 4.9 | 9.8 | 9.7 | | 83 | 3.69 | 3.56 | 3.39 | 7.9 | 11.0 | 15.1 |
| | SR (με) | 56 (130) | 0.35 | 107.65 | 105.28 | 104.55 | 8.5 | 6.5 | 10.5 | 8.9 | 11.1 | 10.3 | | 56 (220) | 62.27 | 60.67 | 59.43 | 6.4 | 8.8 | 10.7 | | 83 | 92.35 | 89.59 | 87.83 | 4.5 | 7.3 | 9.1 | | 56 (130) | 1.00 | 330.13 | 323.42 | 312.34 | 12.8 | 11.1 | 14.6 | 12.9 | 17.5 | 14.5 | | 56 (220) | 246.15 | 245.06 | 244.30 | 9.9 | 10.3 | 10.6 | | 83 | 312.19 | 301.52 | 295.63 | 10.7 | 13.8 | 15.5 |
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