SEISMIC ASSESSMENT OF AN IRREGULAR THREE-STOREY FULL SCA LE RC TEST STRUCTURE WITH SU

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SEISMIC ASSESSMENT OF AN IRREGULAR THREE-STOREY FULL SCA LE RC TEST STRUCTURE WITH SUBSTANDARD DETAILS

Author: S. J. PARDALOPOULOS Civil Engineer, (AUTh), MSc (DUTh), Greece [email protected] GEORGIA E. THERMOU PhD Candidate, Department of Civil Engineering Demokritus University of Thrace, Greece, STAVROULA J. PANTAZOPOULOU | Size: 737 KB | Format: PDF | Quality: Unspecified | pages: 17

ABSTRACT
Seismic assessment of a full scale 3-storey, irregular reinforced concrete structure that was tested in the European Laboratory for Structural Assessment (ELSA) is presented in the paper. The structure is representative of older design and construction practices in Southern Europe, prior to the introduction of capacity design principles or modern detailing. Parametric analyses where carried out to quantify the effect of plan
eccentricity with the various mechanisms of resistance throughout the frame system, using the same ground motion records and PGA that were used in the actual tests. Mechanisms considered are member effective stiffness, member flexure, member shear, development capacity of anchorages and lap splices, and joint shear. Response parameters considered are the time-histories of the trajectories of the Center of Mass in the three floors, interstorey drift and floor twist. Also calculated are the time histories of demand/supply ratios, λi, for the various mechanisms of resistance.

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