Seismic design optimization of multi–storey steel–concrete composite buildings

PAPAVASILEIOU, Georgios and CHARMPIS, Dimos C (2016). Seismic design optimization of multi–storey steel–concrete composite buildings. Computers & Structures, 170, 49-61.

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This work presents a structural optimization framework for the seismic design of multi–storey composite buildings, which have steel HEB-columns fully encased in concrete, steel IPE-beams and steel L-bracings. The objective function minimized is the total cost of materials (steel, concrete) used in the structure. Based on Eurocodes 3 and 4, capacity checks are specified for individual members. Seismic system behavior is controlled through lateral deflection and fundamental period constraints, which are evaluated using nonlinear pushover and eigenvalue analyses. The optimization problem is solved with a discrete Evolution Strategies algorithm, which delivers cost-effective solutions and reveals attributes of optimal structural designs.

Item Type: Article
Uncontrolled Keywords: 09 Engineering; Applied Mathematics; 40 Engineering
Identification Number:
Page Range: 49-61
SWORD Depositor: Symplectic Elements
Depositing User: Symplectic Elements
Date Deposited: 27 Sep 2023 13:06
Last Modified: 11 Oct 2023 11:30

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