三重摩擦摆非对称框架结构的动力响应分析
发布时间：2019-04-12 14:09
【摘要】：借助ANSYS软件分别模拟单摆和三摆隔震支座,通过提取滞回曲线得出三摆隔震支座的特点;然后根据非对称框架结构的自身特点,通过采用数值模拟对非对称结构设置三重摩擦摆新型隔震支座对在8度罕遇地震作用下的响应,根据上部荷载不同设置不同参数的三重摩擦摆隔震层,对其隔震效果进行分析比较。计算结果显示,采用三重摩擦摆隔震可使上部结构的地震反应显著减小。通过合理设置三重摩擦摆的关键参数,对隔震层和上部结构的位移进行调整,可实现对隔震层的水平位移、扭转振动以及平-扭耦联作用有效的控制,保证底层柱受力合理。
[Abstract]:With the help of ANSYS software, single pendulum and three pendulum isolation bearings are simulated, and the characteristics of three pendulum isolation bearings are obtained by extracting hysteretic curves. Then, according to the characteristics of asymmetric frame structure, the response of a new type of isolation bearing with triplet friction pendulum to a rare earthquake at 8 degrees is simulated by using numerical simulation. According to the three-fold friction pendulum isolation layer with different upper load and different parameters, the isolation effect is analyzed and compared. The calculation results show that the seismic response of the superstructure can be significantly reduced by using triple friction pendulum isolation. By setting the key parameters of triplet friction pendulum reasonably and adjusting the displacement of isolation layer and superstructure, the horizontal displacement, torsional vibration and horizontal-torsional coupling action of isolation layer can be effectively controlled, and the force of bottom column can be guaranteed to be reasonable.
【作者单位】： 兰州理工大学土木工程学院;
【基金】：国家创新基金项目(11C26216206242) 甘肃省自然科学基金项目(1104ZSB083)
【分类号】：TU352.12;TU311.3
[Abstract]:With the help of ANSYS software, single pendulum and three pendulum isolation bearings are simulated, and the characteristics of three pendulum isolation bearings are obtained by extracting hysteretic curves. Then, according to the characteristics of asymmetric frame structure, the response of a new type of isolation bearing with triplet friction pendulum to a rare earthquake at 8 degrees is simulated by using numerical simulation. According to the three-fold friction pendulum isolation layer with different upper load and different parameters, the isolation effect is analyzed and compared. The calculation results show that the seismic response of the superstructure can be significantly reduced by using triple friction pendulum isolation. By setting the key parameters of triplet friction pendulum reasonably and adjusting the displacement of isolation layer and superstructure, the horizontal displacement, torsional vibration and horizontal-torsional coupling action of isolation layer can be effectively controlled, and the force of bottom column can be guaranteed to be reasonable.
【作者单位】： 兰州理工大学土木工程学院;
【基金】：国家创新基金项目(11C26216206242) 甘肃省自然科学基金项目(1104ZSB083)
【分类号】：TU352.12;TU311.3
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