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Investigating the Feasibility of using Magnetic Field in Seismic Response Control of Structures

Valizadeh, Hossein | 2017

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  1. Type of Document: M.Sc. Thesis
  2. Language: English
  3. Document No: 50303 (53)
  4. University: Sharif University of Technology, International Campus, Kish Island
  5. Department: Science and Engineering
  6. Advisor(s): Rahimzadeh Rofooei, Fayaz; Kazemi, Mohammad Taghi; Ghorbani Vaghei, Bahman
  7. Abstract:
  8. Base isolation is a method for controlling the vibration of structure by modifying the transmission between the source of excitation and the vibration structure.In this thesis, the feasibility of using magnetic field in seismic response control of structures has been investigated. It is tried with the inspiration of magnetic trains. While the old trains ran on the rail lost a large amount of energy because of the friction between the wheels and the rails that decreased the train speed, in the maglev trains with separating them from the rail the friction is reduced to the least amount so that today these trains are able to run with the speed about 550 km/h. It has been tried in two concepts and the decoupling of the structure has been expressed in each of them in horizontal and vertical directions. In the first concept, sensors measure the interval of magnets and announce to the controller to supply a current to deal with it in order to provide a resistant force against force of earthquake by magnets. In the second concept, the magnets impose a force equal to the weight of the structure to it but the magnets have been expanded
  9. Keywords:
  10. Base Isolation ; Magnetic Fields ; Seismic Response ; Seismic Response Control

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