Damage state identification for reinforced concrete columns in uplift due to internal building detonations

Wijesundara, Gayan and Clubley, Simon (2016) Damage state identification for reinforced concrete columns in uplift due to internal building detonations. Engineering Structures, 127, 804-823. (doi:10.1016/j.engstruct.2016.07.051).

Record type: Article

Abstract

This paper details the development of a generalised damage identification procedure for reinforced concrete columns subjected to internal building detonations. With the successful application of advanced computational fluid dynamics and structural response modelling techniques, we have conducted a set of comprehensive parametric studies on reinforced concrete column failure when subjected to high-rate, coupled uplift and shear typically induced by internal explosive blast. The outputs of the parametric studies have been analysed using a multi-variable, non-linear curve fitting technique to develop the generalised damage identification procedure for columns, separately for two main internal blast conditions. The paper also presents a number of worked examples illustrating its application and significance in practice.

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