45 3 2 0 1 2 3 CHINA CIVIL ENGINEERING JOURNAL Vol. 45 Mar. No. 3 2012 100037 7 Mayor 42 TMD TU352. 1 A 1000-131X 2012 03-0058-09 The function and economic effectiveness of fluid viscous dampers for reduction of seismic and wind vibrations of high-rise buildings Chen Yongqi Cao Tiezhu Ma Liangzhe Beijing Qitai Shock Control and Scientific Development Co. Ltd. Beijing 100037 China Abstract Fluid Viscous Dampers FVD as the best high-rise structural vibration protection system plays an important role in the rapid expansion of high-rise buildings. Seven buildings with FVD including the Mexico Torre Mayor and the Boston 111 Huntington building which are two successful examples the Silvetie Center and the Pangu Plaza and two tall buildings in Beijing are reviewed and compared with regard to installation damper function and economy for reducing vibrations caused by seismic and wind loads. Keywords FVD super inter-storey brace toggle configuration damper outrigger TMD system E-mail Qitai@ bluelakeint. com 20 1 2 3 1 2 4 5TMD 6 Torre Mayor 3 Saint Francis 4 1 5 TMD 2010-09-29 42 6 3 1 Torre Mayor Mayor 57 225m
45 3 59 30 35 16 96 7. 5% 12% 8. 5% 2003 Mayor 7. 6 3 1 4 16 Fig. 1 1 Torre Mayor Mexico Torre Mayor Building 3 Saint Francis Mayor 3 Fig. 3 Philippines Shangri-la Tower damped outrigger 2 7 3 111 Huntington 38 60 130t 4 Millennium Fig. 2 2 Mexico inter-storey damper brace 4 2 Saint Francis 210m 4 111 Huntington 8 Fig. 4 Boston 111 Huntington Tower and damper layout
60 2012 111 Toggle 7 2 248m Fig. 7 7 Beijing Pangu Plaza and damper layout Fig. 5 5 Toggle damper configuration 1 4 63 265m TMD 73 6 8 5 6 TMD 257m 68 300t TMD 8 Fig. 6 6 8 Beijing Silvertie Center and damper layout Fig. 8 TMD Chicago Hyatt Park Hotel and TMD system 2 5 6 7 42 Peer 8 45 191m 7 Peer John Martin 9 100 TMD 8 1 111 Huntington 2 3 Torre Mayor
45 3 61 2. 2 1 ξ a = W c / 4πW s 1 W s = 1 /2 F i u i 2 9 Peer W c = 2π 2 /T 1 C i cos 2 θ i Δu 2 i 3 Fig. 9 Analysis model of Peer Building ξ a W c 2 W s F i i u i i T 1 C i i θ i i Δu i i 2. 1 2 111 Mayor 1 NEHRP2000 9 10-11 2 Mayor 3 δ- 10 Mayor 42 6
62 2012 Table 1 1 Shock reduction with the damping ratio % 2. 5 4. 0 6. 0 8. 0 10. 0 1. 00 0. 90 0. 81 0. 75 0. 70 % 0 10 19 25 30 2 7 10 δ- Mayor Fig. 10 Structural response result on dynamic δ-excitation 2 x Table 2 The damper application and effect on T d δ ζ high rise building T d = t k /k 4 δ = y k ln X i /X i +k ζ = δ / 槡 4π 2 + δ 2 δ /2π 6 t k k X i X i +k k 5 111 2. 3 11 2 ~ 5s 6 2. 5% 6 1 Mayor 8. 5% 12% 7. 5% 1. 89% ~ 4. 58% 1. 0% ~ 5. 0% 2. 21% ~ 2. 36% 42 peer TMD 5% 10% 111 11 2 ~ 5s 108 Fig. 11 Acceleration response spectrum with damping ratio
45 3 63 33% 3 Table 3 Damper price and economics for high rise buildings Mayor 2003 7. 6 TMD 2 10% ~ 40% 3 4 16 400 12-13 4 1 2 3 Mayor 96 400 200 ~ 700 23000t 18000t 5 10% ~ 40% 1. 5m 20% 55m 24 5600kN ± 52mm 72 2770kN ± 52mm $ 400 16 2600kN ± 220mm $ 400 111 60 1300kN ± 100mm $ 70 Toggle 73 1200kN ± 100mm 384 6FEVD 1000kN ± 100mm 96 1000kN ± 100mm 4 1500kN ± 150mm 6 $ 500 4 6 580 200 ~ 700 TMD $ 55 1 $ 2 / 3
64 2012 4 Table 4 Comparisons with the damper and the traditional plan for Pangu building TMD TMD 932. 8 1 331. 8 1264. 6 2 852. 9 580 1 /t 4 4. 1 TMD TMD AMD TMD TMD 7 4 AMD 111 101 4. 2 TMD TMD MTMD 40% ~ 50% 42 Peer 1 TMD TMD 1 Peer TMD 4. 1s 5. 54s 2 10% TMD 2 15 2BD2. 5 TMD MTMD 2. 5% 10% 4 TMD TMD TMD TMD 2BDNSWD10 3 TMD 12
45 3 65 5 1 2 12 Fig. 12 Building story-drift at service level under seismic actions 13 3 2010 2 4 TMD TMD Mayor 13 10 ~ 25 Fig. 13 Building story-shear at service level under seismic actions 4. 3 UBB BRB 16 Toggle 1. 4. 4 PBSD J. 2009 39 5 23- PEER 28 Ma Liangzhe Chen Yongqi Zhao Guangpeng. Passive 17 dissipation design with liquid viscous damper for Silvertie Centre Building J. Building Structure 2009 39 5 23-28 in Chinese 2.
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