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Pro129

EXPERIMENTAL INVESTIGATION ON MECHANICAL PROPERTIES OF HYBRID FIBER REINFORCED STRAIN HARDENING ULTRA- HIGH PERFORMANCE CONCRETE (SHUHPC)



Author(s): Tianan Liu, Yingzi Yang, Fuzheng Sun and Ruixiang Bai
Paper category: Proceedings
Book title: Proceedings of the 2nd International Conference on UHPC Materials and Structures (UHPC2018-China)
Editor(s): Caijun Shi and Baochun Chen
ISBN: 978-2-35158-219-0
e-ISBN: 978-2-35158-220-6
Publisher: RILEM Publications SARL
Publication year: 2018
Pages: 572-580
Total Pages: 9
Language : English


Abstract: This study aims to further improve the mechanical properties of strain hardening ultra-high
performance concrete by hybrid steel/PE fibres system. Because of characteristic of concrete
cracking process, hybrid use among various kinds of fibres can increase the strength and
restrain the generation and development of cracks at different level. By this way, the final
compressive strength increase from 132.97MPa to 175.6MPa with a little decrease of tensile
strain from 6.01% to 5.11% when designed the total fibre content less than 2.5%. The effects
of hybrid steel/PE fibers on the first cracking strength, tensile strength, crack numbers and
average crack width were also discussed depending on the experimental results.


Online publication : 2018
Publication type : full_text
Public price (Euros) : 0.00


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