Title: Simplified models for assessment and optimal redesign of irregular planar frames
Authors: VARUM HumbertoPINTO VIEIRA ArturCOSTA AnibalVILA REAL Paulo
Citation: ENGINEERING STRUCTURES vol. 42 no. September 2012 p. 245-257
Publication Year: 2012
JRC N°: JRC72105
ISSN: 0141-0296
URI: http://www.sciencedirect.com/science/article/pii/S0141029612002283
DOI: 10.1016/j.engstruct.2012.04.033
Type: Articles in periodicals and books
Abstract: This paper presents a simplified methodology for predicting the response of buildings irregular in elevation, based on the non-linear dynamic multi-modal spectral seismic response of an equivalent simplified MDOF linear system. Making use of the MDOF model, it is also proposed a methodology for the optimum strengthening design of buildings, based on convex approximation methods. Three structural upgrading optimization problems (SUOPs) are implemented. The proposed models are validated against the results of a series of PsD tests carried out on a full-scale four-storey RC structure, representative of the construction practice in southern Mediterranean countries in Europe until the late 1960s.
JRC Directorate:Space, Security and Migration

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