以帶肋樓板為質(zhì)量塊形式的TMD設(shè)計方法研究
發(fā)布時間：2018-12-26 18:05
【摘要】：為了不額外增大結(jié)構(gòu)自重,同時又能將TMD原理很好的應(yīng)用于高層建筑結(jié)構(gòu)地震反應(yīng)控制,提出以帶肋樓板的恒載和活荷載換算為子結(jié)構(gòu)的質(zhì)量、設(shè)置在主梁(包括次梁)和帶肋樓板之間的橡膠隔震墊的抗側(cè)剛度和阻尼代替子結(jié)構(gòu)的彈簧和阻尼器的一種TMD體系�？紤]該TMD的高層建筑為研究對象,建立振動微分方程,利用自編程序進行地震反應(yīng)彈塑性時程分析,討論該體系的合理性和可行性�；诙c理論的思想對TMD的設(shè)計方法進行研究。在多種地震動作用下,分別計算原結(jié)構(gòu)與消能減震結(jié)構(gòu)的地震反應(yīng),并對比兩者的耗能情況。考慮TMD設(shè)置位置對消能結(jié)構(gòu)地震反應(yīng)的影響,分析該TMD在實際工程中實施的可行性和方案,最終提出簡單有效的TMD設(shè)計方法-定點理論修正法。基于該方法并運用算例模型進行計算分析,結(jié)構(gòu)運用該方法后具有較好的消能減震效果,故定點理論修正法是合理可靠的。
[Abstract]:In order not to increase the weight of the structure, and at the same time to apply the TMD principle to the seismic response control of high-rise building structure, it is proposed that the dead load and live load of the ribbed floor slab can be converted as the mass of the substructure. A TMD system in which the lateral stiffness and damping of the rubber isolation pad between the main beam (including the secondary beam) and the ribbed floor slab replace the substructure of the spring and damper. Considering the high-rise building of TMD as the research object, the vibration differential equation is established, and the elastoplastic time-history analysis of seismic response is carried out by using self-compiled program, and the rationality and feasibility of the system are discussed. Based on the idea of fixed point theory, the design method of TMD is studied. The seismic responses of the original structure and the energy dissipation structure are calculated under the action of various ground motions, and the energy dissipation of the original structure and the energy dissipation structure are compared. Considering the influence of the location of TMD on the seismic response of energy dissipation structure, the feasibility and scheme of implementing the TMD in practical engineering are analyzed. Finally, a simple and effective TMD design method-fixed point theory correction method is put forward. Based on the method and the example model, the structure has a better effect of energy dissipation and vibration absorption after using this method, so the fixed point theory correction method is reasonable and reliable.
【作者單位】： 江蘇科技大學(xué)土木工程與建筑學(xué)院;上海二十冶建設(shè)有限公司;
【分類號】：TU973.31
本文編號：2392491
[Abstract]:In order not to increase the weight of the structure, and at the same time to apply the TMD principle to the seismic response control of high-rise building structure, it is proposed that the dead load and live load of the ribbed floor slab can be converted as the mass of the substructure. A TMD system in which the lateral stiffness and damping of the rubber isolation pad between the main beam (including the secondary beam) and the ribbed floor slab replace the substructure of the spring and damper. Considering the high-rise building of TMD as the research object, the vibration differential equation is established, and the elastoplastic time-history analysis of seismic response is carried out by using self-compiled program, and the rationality and feasibility of the system are discussed. Based on the idea of fixed point theory, the design method of TMD is studied. The seismic responses of the original structure and the energy dissipation structure are calculated under the action of various ground motions, and the energy dissipation of the original structure and the energy dissipation structure are compared. Considering the influence of the location of TMD on the seismic response of energy dissipation structure, the feasibility and scheme of implementing the TMD in practical engineering are analyzed. Finally, a simple and effective TMD design method-fixed point theory correction method is put forward. Based on the method and the example model, the structure has a better effect of energy dissipation and vibration absorption after using this method, so the fixed point theory correction method is reasonable and reliable.
【作者單位】： 江蘇科技大學(xué)土木工程與建筑學(xué)院;上海二十冶建設(shè)有限公司;
【分類號】：TU973.31
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1 冷新中;費建偉;;正方形帽檐殼的簡化計算[A];2014年全國鋼結(jié)構(gòu)設(shè)計與施工學(xué)術(shù)會議論文集[C];2014年
，本文編號：2392491
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