Mix design and properties assessment of Ultra-High-Performance Fibre Reinforced Concrete (UHPFRC)

R. Yu, P.R. Spiesz, H.J.H. Brouwers

Research output: Contribution to journalArticleAcademicpeer-review

300 Citations (Scopus)
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Abstract

This paper addresses the mix design and properties assessment of an Ultra-High Performance Fibre Reinforced Concrete (UHPFRC). The design of the concrete mixtures is based on the aim to achieve a densely compacted cementitious matrix, employing the modified Andreasen & Andersen particle packing model. One simple and efficient method for producing the UHPFRC is utilised in this study. The workability, air content, porosity, flexural and compressive strengths of the designed UHPFRC are measured and analyzed. The results show that by utilizing the improved packing model, it is possible to design a type of UHPFRC with relatively low binder amount. Additionally, the cement hydration degree of UHPFRC is calculated. The results show that, after 28 day of curing, there is still a large amount of unhydrated cement in the UHPFRC matrix, which could be further replaced by fillers to improve the workability and cost efficiency of UHPFRC.
Original languageEnglish
Pages (from-to)29-39
Number of pages11
JournalCement and Concrete Research
Volume56
DOIs
Publication statusPublished - 2014

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