Early age concrete creep: Using model B3 prediction

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Conference Proceeding
Incorporating Sustainable Practice in Mechanics of Structures and Materials - Proceedings of the 21st Australian Conference on the Mechanics of Structures and Materials, 2011, pp. 267 - 272
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Thermal and visco-elastic effects are more pronounced in early age concrete (1 to 7 days). This is due to the presence of free water and un-hydrated cementious particles. It is common practice to load the structural members during this time in order to meet the tight construction schedule. As a result, regions of high stress concentrations, such as anchorage zones in post-tensioned (PT) members, experience higher time dependent strains. This paper discusses the early age concrete effects and the predictions of early age creep strains using B3 model. A simple cylindrical specimen is considered for the analysis. © 2011 Taylor & Francis Group, London.
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