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（1 上海應(yīng)翔建筑設(shè)計(jì)有限公司， 上海 200235； 2 江蘇科技大學(xué)土木工程與建筑學(xué)院， 鎮(zhèn)江 212003）

［摘要］為了研究全預(yù)制裝配式混凝土柱-鋼梁（RCS）混合結(jié)構(gòu)的摩擦拼接耗能節(jié)點(diǎn)對(duì)框架結(jié)構(gòu)整體抗震性能的影響，結(jié)合試驗(yàn)的破壞特征，建立了摩擦拼接耗能節(jié)點(diǎn)的彎矩-轉(zhuǎn)角關(guān)系模型，利用Link單元模擬實(shí)際的摩擦拼接耗能節(jié)點(diǎn)。通過與試驗(yàn)結(jié)果對(duì)比，驗(yàn)證了該單元的合理性。在此基礎(chǔ)上，以某5層框架為例，分別建立有摩擦拼接耗能節(jié)點(diǎn)與無摩擦拼接耗能節(jié)點(diǎn)的框架結(jié)構(gòu)模型，進(jìn)行了模態(tài)分析和Pushover非線性分析。研究結(jié)果表明：連接的剛度會(huì)影響結(jié)構(gòu)的低階自振周期，但是對(duì)高階模態(tài)的影響很??；采用摩擦拼接耗能節(jié)點(diǎn)能夠有效減小全預(yù)制裝配式RCS混合結(jié)構(gòu)的底部受力，且框架表現(xiàn)出較好的延性；結(jié)構(gòu)的層間位移角都符合抗震規(guī)范的要求。

［關(guān)鍵詞］裝配式結(jié)構(gòu); 耗能節(jié)點(diǎn); 抗震性能

中圖分類號(hào)：TU398      文獻(xiàn)標(biāo)識(shí)碼：A      文章編號(hào)：1002-848X(2014)13-0072-05

Analysis on seismic behavior of fully prefabricated assembled RCS hybrid structure with friction splicing energy consuming joint

Zhou Zhibin1, Pan Zhihong2

 (1 Shanghai Yingxiang Architectural Design Co., Ltd., Shanghai 200235, China; 2 School of Civil Engineering and Architecture, Jiangsu University of Science and Technology, Zhenjiang 212003, China)

Abstract: In order to study the influence of fully prefabricated assembled RC column-steel beam (RCS) hybrid structure with friction splicing energy consuming joint on the monolithic seismic properties of frame structure,combining with the failure characteristic of experiment, a momentrotation model of friction  splicing energy consuming joint was established. The joint was simulated by Link unit. The rationality of the unit was verified by comparing with the test results. On this basis, taken a 5 layers framework for example, the frame structure models with and without friction splicing energy consuming joints were respectively established to conduct modal analysis and Pushover analysis. The results show that flexibility of the connection will effect lower natural vibration period and has very little influence on the high order mode; the fully prefabricated assembled RCS hybrid structure with friction splicing energy consuming joint can effectively reduce the bottom force, and the structure shows good ductility; the layer displacement angle of the structure meets the requirements of the seismic code.

Keywords: prefabricated structure; energy consuming joint; seismic behavior

* 江蘇省研究生科研創(chuàng)新計(jì)劃項(xiàng)目（CXLX13_709），江蘇省高等學(xué)校大學(xué)生創(chuàng)新創(chuàng)業(yè)訓(xùn)練計(jì)劃項(xiàng)目（201310289032Z）。

作者簡介：周智彬，碩士， Email:15862934337@126.com。

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