- 摘 要
-
(中國建筑西南設(shè)計研究院有限公司,成都 610081)
[摘要] 實際工程中,將水箱設(shè)計成調(diào)頻質(zhì)量阻尼器TMD以控制結(jié)構(gòu)的風(fēng)振加速度是一種經(jīng)濟可行的方法。在有關(guān)的風(fēng)振控制理論基礎(chǔ)上,基于現(xiàn)行荷載規(guī)范并結(jié)合PKPM編制了計算程序,可方便地確定TMD的最優(yōu)設(shè)計參數(shù)及其對超高層建筑的控制效果。通過算例分析表明這種方法簡便易行,具有應(yīng)用價值。計算還表明,TMD主要控制樓層風(fēng)振加速度,尤其是結(jié)構(gòu)阻尼比較小時,還可改善使用的舒適性。
[關(guān)鍵詞] 風(fēng)振控制; TMD; 超高層建筑Practical design methods of TMD for wind vibration control of super high-rise buildings
Zhou Dingsong, Xiao Kejian
(China Southwest Architectural Design and Research Institute Co., Ltd., Chengdu 610081, China)
Abstract:Using water tanks as the tuned mass damper (TMD) of a building to control the wind vibration is recognized as an applicable and economical method in practice. Based on studies related to the wind vibration control of a building and the current load conventions in the code, a new computational program, combined with the computer program PKPM, was written to conveniently choose the optimum design parameters of a TMD for a super high-rise building and also to analyze the effects after the TMD is applied. Sample calculations have shown that this program is workable and convenient in use, and is applicable in real life designing. Calculations have also indicate that the TMD mainly controls the acceleration of a buildings wind vibration. Especially for buildings with less structural damping effect, proper TMD can improve the serviceability of those buildings.
Keywords:wind vibration control; TMD; super high-rise building
作者簡介:周定松,高級工程師,一級注冊結(jié)構(gòu)工程師,Email:zhoudingsong@163.com。參考文獻
[1] 唐易,顧明. 某超高層建筑TMD風(fēng)振控制分析[J]. 振動與沖擊,2006,25(2):16-19.
[2] 瞿偉廉,陶牟華. 五種被動動力減震器對高層建筑脈動風(fēng)振反應(yīng)控制的實用設(shè)計方法[J]. 建筑結(jié)構(gòu)學(xué)報,2001,22(2):29-34.
[3] 瞿偉廉. 高層建筑和高聳結(jié)構(gòu)的風(fēng)振控制設(shè)計[M]. 武漢: 武漢測繪科技大學(xué)出版社, 1991.
[4] CHANG C C, QU W L. Unified dynamic absorber design formulas for wind-induced vibration control of tall buildings[J]. The Structural Design of Tall Buildings, 1998, 7(2):147-166.
[5] GB50009—2001 建筑結(jié)構(gòu)荷載規(guī)范[S]. 2006年版.北京:中國建筑工業(yè)出版社,2006.
[6] SIMIU E, SCANLN R H. 風(fēng)對結(jié)構(gòu)的作用——風(fēng)工程導(dǎo)論[M]. 劉尚培,項海帆,等,譯. 上海:同濟大學(xué)出版社, 1992.
[7] JGJ3—2002 高層建筑混凝土結(jié)構(gòu)技術(shù)規(guī)程[S]. 北京:中國建筑工業(yè)出版社,2002.
[8] 呂西林,施衛(wèi)星. 上海地區(qū)幾幢超高層建筑振動特性實測[J]. 建筑科學(xué),2001,17(2):36-39.
[9] 李春祥,黃金枝. 高層鋼結(jié)構(gòu)建筑TMD風(fēng)振舒適度控制設(shè)計[J]. 振動與沖擊,2000,19(2):17-19.