Developing Ultra-High–Performance Concrete Mix Designs for Arizona Bridge Element Connections
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2019-09-01
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Edition:Final Report
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Abstract:This report addresses the development of non-proprietary mix designs for manufacturing ultra-high–performance concrete (UHPC) mixtures using materials commercially available in Arizona. The comprehensive work carried out addresses the development of paste, mortar, and concrete mixtures based on theoretical, analytical, and experimental optimization of particle packing at multiple scales, cement chemistry of the interacting phases, the rheology of mixture flow characteristics, and the mechanical properties of final mixture formulations. Several mix designs using all Arizona materials were developed and tested during the study. When tested, they exhibited characteristics that provided more than acceptable performance. Analysis showed these designs to be at a lower cost than UHPC incorporating proprietary materials.
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