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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 32
DEVELOPMENTS IN COMPUTATIONAL TECHNIQUES FOR CIVIL ENGINEERING
Edited by: B.H.V. Topping
Paper VII.1

Finite Element Modelling of the Dynamic Behaviour of Concrete Structures under Earthquake Loading

A.D. Jefferson

Division of Civil Engineering, University of Wales, Cardiff, UK

Full Bibliographic Reference for this paper
A.D. Jefferson, "Finite Element Modelling of the Dynamic Behaviour of Concrete Structures under Earthquake Loading", in B.H.V. Topping, (Editor), "Developments in Computational Techniques for Civil Engineering", Civil-Comp Press, Edinburgh, UK, pp 147-154, 1995. doi:10.4203/ccp.32.7.1
Abstract
The sensitivity of the response of a mass concrete dam to changes in numerical concrete cracking models is studied. In particular. the effects of varying the shapes of the fracture softening and unloading curves are examined by comparing the secondary response spectra from a series of dynamic finite element analyses of the Koyna dam. The results show that both the shape of the unloading curve and reloading curve have a strong influence on the dynamic response. It is concluded that the incorporation of crack wedging and a realistic softening model is important for this class of problem.

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