Design and Construction of a Reconfigurable Pedestrian Structure

Design and Construction of a Reconfigurable Pedestrian Structure
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可重构步行结构的设计与施工

DOI:
10.1007/s40799-016-0144-3
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发表时间:
2016
影响因子:
1.6
通讯作者:
Hudson E
Hudson E
中科院分区:
工程技术4区
文献类型:
--
作者:
Hudson E

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土木结构的振动正常使用性是一个日益重要的研究领域。有必要更好地了解这些结构的动力学,以及它们如何与人类居住者相互作用,包括它们对振动的敏感性和移动居住者的地面反作用力。然而,测试真实的世界在役结构并不总是可行的,由此产生的访问限制可能会限制潜在的实验研究的范围。本文介绍了一个实验室结构的设计和施工,使广泛的实验进行严格控制的条件下。这种结构的关键新奇在于,它可以重新配置和重新组装,以显着改变模态频率,模态质量和模态形状。此外,它表明,主动振动控制可以用来控制模态阻尼比,从而模拟一系列的结构,从裸露的钢人行天桥,完全装修的办公楼。
The field of vibration serviceability of civil structures is becoming an increasingly important research area. There is a need to better understand the dynamics of these structures and how they interact with human occupants in terms of both their sensitivity to vibrations and the ground reaction forces from moving occupants. However, testing real world in-service structures is not always feasible and the resulting access limitations can limit the range of potential experimental investigations. This paper presents the design and construction of a laboratory structure that enables a wide range of experiments to be conducted under closely controlled conditions. The key novelty with this structure is that it can be reconfigured and reassembled to significantly change the modal frequencies, modal masses and mode shapes. In addition, it is shown that active vibration control can be used to control the modal damping ratios and thereby simulate a range of structures from bare steel footbridges to fully-fitted out office floors.
AVC 与执行器动力学的基础研究
DOI: --
发表时间: 2016
期刊:
影响因子: --
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发表时间: 2012-08
影响因子: 5.5
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通讯作者: I. M. Díaz;E. Pereira;M. J. Hudson;P. Reynolds
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