DETERMINATION OF THE BOND CREEP COEFFICIENT FOR LIGHTWEIGHT AGGREGATE CONCRETE (LWAC) UNDER CYCLIC LOADING
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Published:2002
G König, F Dehn, K Holschemacher, D Weiße, 2002. "DETERMINATION OF THE BOND CREEP COEFFICIENT FOR LIGHTWEIGHT AGGREGATE CONCRETE (LWAC) UNDER CYCLIC LOADING", Challenges of Concrete Construction: Volume 6, Concrete for Extreme Conditions: Proceedings of the International Conference held at the University of Dundee, Scotland, UK on 9–11 September 2002, Ravindra K. Dhir, Michael J. McCarthy, Moray D. Newlands
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The bond behaviour between reinforcement and concrete influences considerably the structural behaviour of reinforced concrete members. Whereas the bond properties of Normal Weight Concrete (NWC) are mostly known even for non-static loading, for Structural Lightweight Aggregate Concrete (LWAC) only a few investigations for repeated loading are known. Due to an enormous increase of the attraction of this concrete in Germany and in other countries, a wider application of LWAC e.g. in bridge construction is expected. This paper outlines the experimental programme and its results on the bond behaviour of conventional rebars in Lightweight Aggregate Concrete under cyclic loading. The aim of the research work was to evaluate the long-term behaviour of LWAC under cyclic loading in order to determine the corresponding bond creep coefficient.
INTRODUCTION
BOND IN CONCRETE
TEST PROGRAMME
TEST RESULTS
BOND CREEP COEFFICIENT UNDER REPEATED LOADING
EFFECTS OF BOND CREEP
CONCLUSIONS AND OUTLOOK
