Dynamic response of bare steel concrete under human rhythmic activities

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Dynamic response of bare steel concrete under human rhythmic activities

Author: GAJALAKSHMI.G SATHYABAMA UNIVERSITY INDIA [email protected] Dr.ABBAS MOHAIDEEN.J. MAAMALLAN INSTITUTE OF TECHNOLOGY INDIA | Size: 0.9 MB | Format: PDF | Quality: Unspecified | Publisher: . Conf. on Future Trends in Structural, Civil, Environmental and Mechanical Engineering -- FTSCEM 2013 Copyright © Institute of Research Engineers and Doctors. | Year: 2013 | pages: 06 | ISBN: 978 - 981 - 07 - 7021 - 1

Lightweight, high-strength materials are used to construct flexible, long-span floors. These floors sometimes result in annoying levels of vibration even under ordinary loading
situations. These vibrations do not possess any threat to the structural integrity of the floor, but they may render the floor unusable by the human occupants of the building in extreme cases.
The wide variety of scales and prediction techniques is an indication of the complex nature of floor vibrations. The increasing incidence of building vibration due to human
rhythmic activities led to a specific design criterion for rhythmic excitations (Allen et al. 1985,Bachmann and Ammann, 1987,Faisca, 2003,Murray et al., 2003, Silva et al.,
2008). Floor vibrations often leads to structural failure as demonstrated by the Hyatt Regency Hotel Walkway in Kansas city, US, (McGrath and Foote, 1981) and London Millennium Footbridge (BBC news, 2000 and Sample, 2002).This is the motivation for the development of a design methodology on the structural system subjected to dynamic loads due to human activities. But, it is very difficult to interpret the magnitude of the motion, the environment surrounding sensor and the human sensor in accounting the floor vibrations

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