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.
VARUM Humberto;
PINTO VIEIRA Artur;
COSTA Anibal;
VILA REAL Paulo;
2012-06-29
ELSEVIER SCI LTD
JRC72105
0141-0296,
http://www.sciencedirect.com/science/article/pii/S0141029612002283,
https://publications.jrc.ec.europa.eu/repository/handle/JRC72105,
10.1016/j.engstruct.2012.04.033,
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