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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 106
Edited by:
Paper 44

Dynamic Behaviour of a Process Tower Anchored to Concrete Frame

H.A. Sánchez Sánchez1 and C. Cortés Salas2

1Section of Postgraduate Studies, School of Engineering and Architecture National Polytechnic Institute, Mexico City, Mexico
2Mexican Petroleum Institute, Mexico City, Mexico

Full Bibliographic Reference for this paper
, "Dynamic Behaviour of a Process Tower Anchored to Concrete Frame", in , (Editors), "Proceedings of the Twelfth International Conference on Computational Structures Technology", Civil-Comp Press, Stirlingshire, UK, Paper 44, 2014. doi:10.4203/ccp.106.44
Keywords: steel towers, numerical modelling, dynamic behaviour, seismic behaviour, refining towers..

The research described in this paper is concerned with the numerical simulation of the structural behaviour and the response of steel towers subject seismic actions using seismic records. Since high towers, for their geometrical characteristics, their slenderness and for their thin walls, are structures that dissipate less energy than others, such as buildings, they likewise have reduced damping. So, the study described in this paper provides a numerical simulation using the finite element method. In the modelling the geometrical and mechanical characteristics of a real structure have to be taken into account. The important manner of the boundary conditions at the base of the steel tower is studied. The transmission to the concrete support is through steel anchors, which differs from the ideal embedding restrictions, so the modelling in this area is made with contact elements to represent the possible lifting and sliding of the tower. Finally, numerical results are compared with the theoretical methods, observing a good correlation between them, so that, the structural response of the tower by step by step analysis is also studied.

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