基于準(zhǔn)直線運(yùn)動(dòng)機(jī)構(gòu)的振動(dòng)控制系統(tǒng)力學(xué)性能研究*
高金賀，黃艷斌，黃偉玲，張守龍，杜柳鋼，王儉寶
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（東華理工大學(xué)建筑工程學(xué)院, 南昌 330013）
［摘要］提出了一種新型消能減震振動(dòng)控制系統(tǒng)，其構(gòu)造包含非耗能支撐子系統(tǒng)和消能子系統(tǒng)。非耗能支撐子系統(tǒng)依據(jù)機(jī)構(gòu)學(xué)領(lǐng)域中的準(zhǔn)直線運(yùn)動(dòng)機(jī)構(gòu)將兩根鋼拉桿支撐構(gòu)件交叉配置，且端部采用鉸接形式，因此支撐構(gòu)件中不產(chǎn)生軸向壓力。消能子系統(tǒng)為將兩個(gè)U型阻尼安裝于中間鉸接的兩塊鋼板中間，通過(guò)U型阻尼的屈服變形吸收地震能量。通過(guò)理論分析給出了振動(dòng)控制系統(tǒng)的剛度和承載力的分析方法，并進(jìn)行了循環(huán)荷載試驗(yàn)，論證了理論分析的精度。［關(guān)鍵詞］準(zhǔn)直線運(yùn)動(dòng)機(jī)構(gòu); U型金屬阻尼; 振動(dòng)控制系統(tǒng); 力學(xué)性能; 循環(huán)荷載試驗(yàn)中圖分類號(hào)：TU391 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1002-848X(2015)22-0040-08
Mechanical property study of vibration control system based on quasi-linear motion mechanismGao Jinhe, Huang Yanbin, Huang Weiling, Zhang Shoulong, Du Liugang, Wang Jianbao(School of Architecture and Civil Engineering, East China Institute of Technology, Nanchang 330013, China)Abstract: A new energy dissipation vibration control system was presented whose construction contained non-energy dissipation bracing member subsystem and energy dissipation subsystem. Based on the quasi-linear motion mechanism in the field of mechanism, two steel rod supports are crossly configured in non-energy dissipation bracing member subsystem, and the two ends of the supports adopt hinge joint, so the supporting member does not produce axial compression. The energy dissipation subsystem consists of two U-shaped dampers installed in the middle of two steel plates with hinge joints, and the seismic energy is absorbed by the yield deformation of U-shaped damper. Through theoretical analysis, the analysis methods of the stiffness and the bearing capacity of the vibration control system were given, and the cyclic load test was carried out to demonstrate the accuracy of theoretical analysis.Keywords: quasi-linear motion mechanism; U-shaped metal damper; vibration control system; mechanical property; cyclic loading test*江西省自然科學(xué)基金項(xiàng)目(20132BAB216007), 教育廳科技計(jì)劃項(xiàng)目(GJJ13440)。作者簡(jiǎn)介：高金賀，博士，講師，Email: jhgao@ecit.cn。
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