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Title: The effect of recycled glass powder and reject fly ash on the mechanical properties of fibre-reinforced ultrahigh performance concrete
Authors: Kou, S
Xing, F
Keywords: Waste glass
Cement pastes
Issue Date: 2012
Publisher: Hindawi Publishing Corporation
Source: Advances in materials science and engineering, v. 2012, 263243, p.1-8 How to cite?
Journal: Advances in materials science and engineering 
Abstract: This paper presents an experimental study for the purpose of reducing the cost of producing ultrahigh performance fibre-reinforced concrete (UHPFRC). Reject fly ash (r-FA) and recycled glass powder (GP) were examined as replacement materials for the silica sand and cement used to prepare UHPFRC, respectively. In addition, curing UHPFRC specimens at 25°C and 90°C was investigated to determine differences in mechanical properties. The results showed that using r-FA and GP reduces the flowability of fresh UHPFRC. The use of GP increased the mechanical properties of the UHPFRC. Moreover, the test results indicate a significant improvement in the mechanical properties of plain concrete by the inclusion of r-FA as partial replacement of fine aggregate (sand) and can be effectively used in UHPFRC. Furthermore, specimens cured at 25°C give lower compressive strength, flexural strength, and fracture energy than specimens cured at 90°C.
ISSN: 1687-8434
EISSN: 1687-8442
DOI: 10.1155/2012/263243
Rights: Copyright © 2012 Shi Cong Kou and Feng Xing. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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