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The effect of micro-silica on the microscopic features of the UHPC composite and its inter-facial transition zone
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SYSNO ASEP 0507093 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title The effect of micro-silica on the microscopic features of the UHPC composite and its inter-facial transition zone Author(s) Hrbek, Vladimír (UTAM-F)
Prošek, Z. (CZ)
Chylík, R. (CZ)
Vráblík, L. (CZ)Number of authors 4 Source Title Acta Polytechnica CTU Proceedings, 9th annual Conference NANO & MACRO MECHANICS 2018, 15. - Prague : Czech Technical University in Prague, 2018 / Padevět P. - ISBN 978-80-01-06457-3 Pages s. 31-35 Number of pages 5 s. Publication form Online - E Action Conference Nano and Macro Mechanics 2018 /9./ Event date 20.09.2018 - 20.09.2018 VEvent location Prague Country CZ - Czech Republic Event type EUR Language eng - English Country CZ - Czech Republic Keywords high performance concrete ; indentation ; spectral deconvolution SEM ; image analysis ; ITZ Subject RIV JM - Building Engineering OECD category Composites (including laminates, reinforced plastics, cermets, combined natural and synthetic fibre fabrics Institutional support UTAM-F - RVO:68378297 UT WOS 000461834500006 DOI 10.14311/APP.2018.15.0031 Annotation The uplift of concrete overall macroscopic performance by way of alternative additives is commonly used technique. In case of ultra high performance concrete (UHPC), micro-silica is added to the mixture as a micro-filler to the structure of cement binder. As a result, the cementitious matrix macro-mechanical performance is elevated. This paper is aimed on the UHPC micro-scale enhancement by different micro-silica additive content in the mixture. More closely, the study investigate the impact of the micro-silica on the inter-facial transition zone (ITZ) between the binder matrix and basaltic aggregate. Workplace Institute of Theoretical and Applied Mechanics Contact Kulawiecová Kateřina, kulawiecova@itam.cas.cz, Tel.: 225 443 285 Year of Publishing 2020 Electronic address https://doi.org/10.14311/APP.2018.15.0031
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