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(1 西安建筑科技大學(xué)土木工程學(xué)院,710055; 2 廣州大學(xué)工程抗震研究中心,510405)
[提要]通過對兩個(gè)縮尺比為1∶25的多層鋼筋混凝土框架剪力墻結(jié)構(gòu)隔震與非隔震模型的模擬地震振動(dòng)臺(tái)對比試驗(yàn),研究了隔震與非隔震結(jié)構(gòu)在地震作用下的自振特性、阻尼比、地震反應(yīng)特征、破壞形態(tài)和破壞機(jī)理。試驗(yàn)研究結(jié)果表明,與非隔震結(jié)構(gòu)相比,隔震結(jié)構(gòu)具有明顯的減震效果。
[關(guān)鍵詞]隔震結(jié)構(gòu);振動(dòng)臺(tái)試驗(yàn);框剪結(jié)構(gòu)
Simulated Shaking Table Test Research of Isolated and Nonisolated Frameshear Wall Structure Model/Huang Xiangyun1,2,Zhou Fulin2,Jin Jianmin2,Luo Xuehai2(1 Xi"an University of Architecture & Technology,Xi"an 710055,China; 2 Earthquake Engineering Research & Test Center, Guangzhou University,Guangzhou 510405,China)
Abstract:Based on the shaking table test of 1∶25 scale model of the isolated and nonisolated building constructed of reinforced concrete frames and shear walls, the dynamic properties, damping ratios, seismic responses, damage feature and cracking pattern of models are recorded and analyzed. Test results show that isolated structure has obvious efficiency comparing with nonisolated structure. The viewpoints can be referred in design of isolated building and in code compilation.
Keywords:isolated structure; shaking table test; frameshear wall structure
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