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Proposal of a tuned mass damper with friction damping to control excessive floor vibrations

机译：带有摩擦阻尼的调谐质量阻尼器的建议，以控制地板的过度振动

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A numerical and experimental study is carried out for a tuned mass damper (TMD) to control excessive floor vibrations. To verify the performance of this control device, free and forced vibration experiments were performed on the platform for dynamic tests located at the University of Brasilia Structure Laboratory. The platform and the TMD were previously modeled via the finite element method using ANSYS software for harmonic and transient analysis, varying damper parameters to find design values for TMD mass, damping and stiffness. The control device was constructed so that it could be installed above the platform. Experimental tests were performed on the platform by people doing rhythmic activities of continuous jumping, walking randomly and synchronized movements with semi bended knees. The results of the tests verified the reduction of the response acceleration of the structure with TMD installation. This control system is of simple construction and maintenance, and has a low manufacturing cost. (C) 2017 Elsevier Ltd. All rights reserved.
机译：对调谐质量阻尼器（TMD）进行了数值和实验研究，以控制地板的过度振动。为了验证该控制装置的性能，在巴西利亚大学结构实验室的动态测试平台上进行了自由振动和强制振动实验。该平台和TMD以前是通过有限元方法使用ANSYS软件进行建模的，以进行谐波和瞬态分析，改变阻尼器参数以找到TMD质量，阻尼和刚度的设计值。控制设备的结构使其可以安装在平台上方。人们在平台上进行了连续的跳跃，随机行走和半弯曲膝盖同步动作等有节奏的活动的实验测试。测试结果证实了安装TMD可以降低结构的响应加速度。该控制系统的构造和维护简单，制造成本低。 （C）2017 Elsevier Ltd.保留所有权利。

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