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Authors
Affiliations
1 Civil Engineering Dept.,
Shri Ramdeobaba College of Engineering and Management, Nagpur, IN
Source
International Journal of Civil Engineering Research, Vol 3, No 2 (2012), Pagination: 65-72
Abstract
Tuned Mass Damper (TMD) consists of mass, spring (stiffness) and damper. Tuned Mass Damper (TMD) is a passive energy dissipation device which absorbs energy&reduces dynamic responses. It is attached to vibratory system. The principle of Tuned Mass Damper is that, its damping ratio is same as that of main structure. The effect of TMD with optimum parameters (frequency ratio&mass ration) given by Sadek, F (1997), is studied. In this paper TMD is used as soft story which is considered to be made up of RCC, constructed at the top of the building. A six storied building with rectangular shape is considered for analysis. TMDs with percentage masses 2%, 3%&5.5% are considered. Three different recorded time histories of past EQ. are used for the analysis. Comparison is done between the buildings with TMD and without TMD.
Keywords
Dynamic Responses, Effective Mass Ratio, Free Vibration Characteristics, Optimum Parameters, TMD
References
- Bakre, S.V. (2002), “Seismic response of multistoried buildings with Weak storey atthe top”, National seminar on structural dynamics in civil engineering (SDCE-2002), 18-19th July 2002, IISc Bangalore.
- Thawre, R.Y(2004) “Seismic analysis of multistoried buildings with TMD”, submitted as M.Tech. Thesis, VRCE Nagpur.
- Pinkaew T., Lukkunaprasit P. And Chatupote P. (2003), “Seismic effectiveness of tuned mass dampers for damage reduction on structures”, Engineering Structures, 25, 39-46.
- Sadek, F (1997), “A method of estimating the parameters TMD for seismic applications”, Earthquake Engineering and Structural Dynamics, 26, 617-635.
