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（深圳市力鵬工程結(jié)構(gòu)技術(shù)有限公司， 深圳 518034）
［摘要］研究了框架-核心筒結(jié)構(gòu)中框架部分對結(jié)構(gòu)的抗側(cè)貢獻(xiàn)，指出框架部分剪力比實際上就是框架部分的層側(cè)向剛度與該層層側(cè)向剛度的比值，是與外荷載無關(guān)的參數(shù)。通過對一些高層和超高層框筒結(jié)構(gòu)案例在地震作用下層剪力比和層傾覆力矩比的分析，指出了框筒結(jié)構(gòu)抗側(cè)性能的特點和規(guī)律。結(jié)果表明，框架部分和核心筒剪力墻共同起著抗剪和抗彎作用，當(dāng)框筒結(jié)構(gòu)中某些樓層框架部分剪力比很小時，核心筒剪力墻將承擔(dān)絕大部分的樓層剪力，但承擔(dān)的傾覆力矩增大不多，只要采取適當(dāng)?shù)募訌姶胧┚湍鼙ＷC結(jié)構(gòu)在抗震時的安全性。
［關(guān)鍵詞］框架部分； 剪力比； 傾覆力矩比； 抗側(cè)剛度
中圖分類號：TU318+.1文獻(xiàn)標(biāo)識碼：A文章編號：1002-848X(2017)03-0028-06
Research on shear ratio of frame part for high-rise frame-corewall structure
Wei Lian， Sun Renfan， Wang Sen， Lin Xuxin
（Shenzhen Li Peng Structural Engineering Technology Co., Ltd., Shenzhen 518034, China）
Abstract:The contribution of frame part to the lateral stiffness of frame-corewall structure was studied. It was pointed out that the shear ratio of the frame part was actually the ratio of the layer lateral stiffness of the frame part to the lateral rigidity of the structural layer, and it was independent of the external loads. The layer shear ratio and layer overturning moment ratio of some high-rise and super high-rise frame-corewall structure cases under seismic action were analyzed, and the characteristics and laws of lateral performance of frame-corewall structure were pointed out. The results show that the frame part and the shear wall of corewall play the role of shear-resistance and bending-resistance. When the shear ratio of frame part in some layers of frame-corewall structure is small, the shear wall of corewall will bear most of the layer shear forces, but the increase of overturning moment that it bears is not so much. The safety of the structure in seismic design can be guaranteed as long as appropriate measures are taken to strengthen the structure.
Keywords:frame part; shear ratio; overturning moment ratio; lateral stiffness
作者簡介：魏璉，博士生導(dǎo)師，研究員，Email:wl2002111@163.com。
