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ISSN: 2168-9717

Journal of Architectural Engineering Technology
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  • Research Article   
  • J Archit Eng Tech 2013, Vol 2(1)
  • DOI: 10.4172/2168-9717.1000108

Dual System Configuration for Earthquake Safety

Marios C. Phocas* and Tonia Sophocleous
Department of Architecture, Faculty of Engineering, University of Cyprus, 75 Kallipoleos Str., P.O.Box 20537, 1678 Nicosia, Cyprus
*Corresponding Author : Marios C. Phocas, Associate Professor, Interim Head, Department of Architecture, Faculty of Engineering, University of Cyprus, 75 Kallipoleos Str., P.O.Box 20537, 1678 Nicosia, Cyprus, Tel: +357-22892969, Fax: +357-22895056, Email: [email protected]

Received Date: Jan 16, 2013 / Accepted Date: Jun 24, 2013 / Published Date: Jun 26, 2013

Abstract

Structural control through integration of passive damping devices within structures has proven to be a most promising strategy for earthquake safety. Within this research field, the concept of adaptable dual control systems has been initially proposed for application in frame structures supplemented with a cross cable bracing with closed circuit and a hysteretic damper of steel plates. The control mechanism enables the elastic response of the primary structure through energy dissipation only effected by the damper that is activated by all bracing members. In extending the applicability range of the control concept in both, in engineering and broader architectural context, and further improving the controlled system’s performance, an alternative configuration of the bracing-damper mechanism is investigated. Following the construction design of the control system members a numerical dynamic analysis of a SDOF system is performed for three representative international earthquake motions of differing frequency contents. The characteristic stiffness and yield force of the integrated damper are investigated in their optimum values for achieving high energy dissipation capacity of the system, while preventing possible increase of the maximum base shear and relative displacements.

Keywords: Structural control; Cable braced frame; Hysteretic damper; Dual system

Citation: Phocas MC, Sophocleous T (2013) Dual System Configuration for Earthquake Safety. J Archit Eng Tech 2: 108. Doi: 10.4172/2168-9717.1000108

Copyright: ©2013 Phocas MC, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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