Fresh Properties of Ultra-High-Performance Concrete Quiz
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Optimisation and Prediction of Fresh Ultra-High-Performance Concrete Properties Enhanced with Nanosilica

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The use of high chemical admixture dosages in ultra-high-performance concrete (UHPC) mixtures to achieve adequate water demand can slow down early cement hydration and prolong the setting time. In this ______, the effects of nanosilica (Ns) with high chemical admixture dosages on the rheological properties of UHPC was investigated. A factorial design approach was employed to predict and optimise the Ns content, water-binder ratio (W/B), and sand-binder (s/b) ratio to obtain the best flowability, setting time, and compressive strength. This ______ represents an attempt to modelling and optimise eighteen U.

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Khaldon Kasim Aswed1, Maan S. Hassan2* and Hussein Al-Quraishi3 Received 6 September 2021, accepted 26 January 2022 doi:10.3151/jact.20.103

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Copyright © 2022 Japan Concrete Institute 103 Scientific paper

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<p>Optimisation and Prediction of Fresh Ultra-High-Performance Concrete Properties Enhanced with Nanosilica was published in the Journal of Advanced Concrete Technology Vol. 20, 103-116, February 2022 / Copyright © 2022 Japan Concrete Institute. The use of high chemical admixture dosages in ultra-high-performance concrete (UHPC) mixtures to achieve adequate water demand can slow down early cement hydration and prolong the setting time. In this study, the effects of nanosilica (Ns) with high chemical admixture dosages on the rheological properties of UHPC was investigated. A factorial design approach was employed to predict and optimise the Ns content, water-binder ratio (W/B), and sand-binder (s/b) ratio to obtain the best flowability, setting time, and compressive strength. This study represents an attempt to model and optimise eighteen U.</p> Signup and view all the answers

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