Effects of Water Reducing Admixture on Rheological Properties, Fiber Distribution, and Mechanical Behavior of UHPFRC

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The rheological properties of ultra-high-performance fiber-reinforced concrete (UHPFRC) according to the amount of water reducing admixture (WRA) and their effects on the fiber distribution and the tensile performance of UHPFRC were investigated. Four types of mixtures with a high compressive strength over 150 MPa were designed according to the amount of WRA and the flowability, rheological properties, compressive strength, flexural performance, and fiber distribution were measured. Test results showed that the amount of WRA influences both the freshly mixed and hardened properties. It was also revealed that the flexural strength has a strong correlation with rheological properties, compressive strength, and fiber distribution.
Publisher
MDPI
Issue Date
2019-01
Language
English
Article Type
Article
Citation

APPLIED SCIENCES-BASEL, v.9, no.1

ISSN
2076-3417
DOI
10.3390/app9010029
URI
http://hdl.handle.net/10203/250388
Appears in Collection
CE-Journal Papers(저널논문)
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