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Earthquakes and Structures Volume 8, Number 1, January 2015 , pages 253-273 DOI: https://doi.org/10.12989/eas.2015.8.1.253 |
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Simplified finite element modelling of non uniform tall building structures comprising wall and frame assemblies including P- |
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Abdesselem Hichem Belhadj and Sid Ahmed Meftah
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| Abstract | ||
| The current investigation has been conducted to examine the effect of gravity loads on the seismic responses of the doubly asymmetric, three-dimensional structures comprising walls and frames. The proposed model includes the P- effects induced by the building weight. Based on the variational approach, a 3D finite element with two nodes and six DOF per node including P- effects is formulated. Dynamic and static governing equations are derived for dynamic and buckling analyzes of buildings braced by wall-frame systems. The influences of P- effects and height of the building on tip displacements under Hachinohe earthquake record are investigated through many structural examples. | ||
| Key Words | ||
| seismic analysis; asymmetric multi-storey buildings; finite element method; P- | ||
| Address | ||
| Abdesselem Hichem Belhadj and Sid Ahmed Meftah: Laboratoire des Structures et Matériaux Avancés dans le Génie Civil et Travaux Publics, Université de Djellali Liabes, BP 89 cité Ben M | ||