Numerical Studies on Cumulative Damage of RC Members under Repeated Impact Loading

We have tried to develop the simple FE analysis method based on continuum damage mechanics to quantitatively evaluate the impact behaviour and the cumulative damage of RC beam under repeated impact loading. As a result, it has been found that the cumulative damage and residual displacement of RC bea...

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Bibliographic Details
Published inApplied Mechanics and Materials Vol. 82; pp. 320 - 325
Main Authors Sonoda, Yoshimi, Tamai, Hiroki
Format Journal Article
LanguageEnglish
Published Zurich Trans Tech Publications Ltd 01.07.2011
Subjects
Cumulative Damage
Reinforced Concrete (RC)
Repeated Impact
Impact Response Analysis
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Summary:We have tried to develop the simple FE analysis method based on continuum damage mechanics to quantitatively evaluate the impact behaviour and the cumulative damage of RC beam under repeated impact loading. As a result, it has been found that the cumulative damage and residual displacement of RC beam under repeated impact load can be properly evaluated, but the crack propagation cannot be evaluated by using the proposed method. This paper presents the following matters: (1) Numerical investigation on the impact behaviour and cumulative damage of RC beam under repeated impact loading by using the proposed method. (2) Numerical investigation of the relationship between cumulative kinetic energy of repeated impact loading and cumulative damage of RC members. (3) Investigation on improved points of our existing proposed method to evaluate the crack path of RC member under repeated impact.
Bibliography:Selected, peer reviewed papers from the Third International Workshop on Performance, Protection and Strengthening of Structures under Extreme Loading, PROTECT 2011, 30 August – 1 September, 2011, Lugano, Switzerland
ISBN:3037852178
9783037852170
ISSN:1660-9336
1662-7482
1662-7482
DOI:10.4028/www.scientific.net/AMM.82.320