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Documentation of the INDOT experience and construction of the bridge decks containing internal curing in 2013.

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  • Abstract:
    The Indiana Department of Transportation (INDOT) constructed four bridge decks utilizing internally cured, high performance concrete  ; (IC HPC) during the summer of 2013. These decks implement research findings from the research presented in the FHWA/IN/JTRP‐ ; 2010/10 report where internal curing was proposed as one method to reduce the potential for shrinkage cracking, leading to improved  ; durability. The objective of this research was to document the construction of the four IC HPC bridge decks that were constructed in  ; Indiana during 2013 and quantify the properties and performance of these decks. This report contains documentation of the production  ; and construction of IC HPC concrete for the four bridge decks in this study. In addition, samples of the IC HPC used in construction were  ; compared with a reference high performance concrete (HPC) which did not utilize internal curing. These samples were transported to  ; the laboratory where the mechanical properties, resistance to chloride migration, and potential for shrinkage and cracking was assessed.  ; Using experimental results and mixture proportions, the diffusion based service life of the bridge decks was able to be estimated.  ; Collectively, the results indicate that the IC HPC mixtures that were produced as a part of this study exhibit the potential to more than  ; triple the service  life of the typical bridge deck  in  Indiana while reducing the  early  age  autogenous shrinkage by more than  80%  ; compared to non‐internally cured concretes. 
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    Filetype[PDF - 9.58 MB]
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    urn:sha256:79433768579a690f177f2ac7a391c4fa1848223114c3a3022fe08e4a1d0466af
File Language:
English
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