Structural dynamics of slender ductile reinforced concrete shear walls
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Structural dynamics of slender ductile reinforced concrete shear walls
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Structural dynamics of slender ductile reinforced concrete shear walls

Author: H.Q.Luu, I.Ghorbanirenani, P.Léger, R.Tremblay | Size: 907 KB | Format: PDF | Quality: Unspecified | Publisher: Proceedings of the 8th International Conference on Structural Dynamics, EURODYN 2011 Leuven, Belgium, 4-6 July 2011 G. De Roeck, G. Degrande, G. Lombaert, G. M¨ uller (eds.) ISBN 978-90-760-1931-4 | Year: 2011 | pages: 8

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ABSTRACT: Shake table experiments considering two 9m high wall models with scale factor of 0.43 representative of an 8-storey slender reinforced concrete (RC) shear wall (20.97m in height) were conducted at École Polytechnique de Montréal in 2009. The walls were subjected to typical Eastern North America ground motions rich in high frequency (near 10 Hz). Inelastic behaviour was observed at the base and in the sixth storey. Based on the test data, transient inelastic dynamic analyses are conducted considering the specimens tested on a shake table and an actual wall from a 10-storey building. Nonlinear beam element with fiber element discretization of the cross-section using OpenSees platform is employed. The effects of the damping model selected to represent the seismic response of slender RC shear wall structures are explored. The higher modes effects inducing the formation of second plastic hinge in the upper part of the walls are investigated. Base shear magnification factors prescribed in Canadian and European Codes are also evaluated for their adequacy.


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