大底盤(pán)多裙房基礎(chǔ)隔震高層建筑參數(shù)關(guān)系研究
發(fā)布時(shí)間:2018-02-21 12:20
本文關(guān)鍵詞: 基礎(chǔ)隔震 大底盤(pán) 高層建筑 參數(shù) 裙房 出處:《振動(dòng)與沖擊》2015年02期 論文類(lèi)型:期刊論文
【摘要】:針對(duì)大底盤(pán)多裙房結(jié)構(gòu)體型復(fù)雜龐大、水平及豎向剛度分布不均勻、裙房主塔及隔震層參數(shù)間關(guān)系極大影響隔震體系性能及整體隔震效果問(wèn)題,對(duì)主塔、裙樓層質(zhì)量、層剛度及隔震層剛度等不同參數(shù)變化對(duì)整體隔震效果影響規(guī)律進(jìn)行研究。結(jié)果表明,隔震層與主塔層剛度比N≤1/14、裙房樓層數(shù)與主塔層數(shù)比為1/3~1/1.5、群樓相對(duì)主塔的層剛度比為0.42~1.1、裙房相對(duì)主塔的層質(zhì)量比P≥1.1時(shí)主塔減震效果較優(yōu);采用剛性樓板假定所得減震系數(shù)設(shè)計(jì)上部結(jié)構(gòu)可能會(huì)夸大減震效果。大底盤(pán)須采用彈性樓板假定。該建議可為此類(lèi)結(jié)構(gòu)基礎(chǔ)隔震設(shè)計(jì)提供參考。
[Abstract]:In view of the complex and large structure with large chassis, uneven horizontal and vertical stiffness distribution, and the relationship between the parameters of the main tower and the isolation layer, the performance of the isolation system and the overall isolation effect are greatly affected, and the quality of the main tower and the skirt floor is also discussed. The effects of different parameters, such as floor stiffness and isolation layer stiffness, on the overall isolation effect are studied. The ratio of the stiffness of the isolation layer to the main tower is N 鈮,
本文編號(hào):1521957
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