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Effects of Steel Fibre Content and 3D Network on Performance of Ultra-High Performance Concrete
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Rui YU1, Dingqiang FAN1, 2, Meijuan SUN1, 2, Jingjing ZHANG1, 2, Zhonghe SHUI1, Dongshuai HOU3, Xingpeng WANG3, Yuan FENG1
Journal of the Chinese Ceramic Society | 2021, 49(11) : 2313 - 2321
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Journal of the Chinese Ceramic Society | 2021, 49(11): 2313-2321
• Special Issue on Ultra-HiHh HerHorHance Concrete Ⅱ •
Effects of Steel Fibre Content and 3D Network on Performance of Ultra-High Performance Concrete
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Rui YU1, Dingqiang FAN1, 2, Meijuan SUN1, 2, Jingjing ZHANG1, 2, Zhonghe SHUI1, Dongshuai HOU3, Xingpeng WANG3, Yuan FENG1
Affiliations
  • 1.State Key Laboratory of Silicate Materials for Architectures, Wuhan 430070, China
  • 2.School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China
  • 3.School of Civil Engineering, Qingdao University of Technology, Qingdao 430070, Shandong, China

    • YU Rui (1986-), male, Ph. D., Professor. E-mail:

About Author:

YU Rui (1986-), male, Ph. D., Professor. E-mail:

Published: 2021-11-20 doi: 10.14062/j.issn.0454-5648.20210310
Outline
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To improve the application efficiency of steel fibres and the properties of ultra-high performance concrete (UHPC) composites, the formation and optimization of fibres content and its 3D network in UHPC matrix were investigated. A basic UHPC mixture was designed using a modified Andreasen & Andersen (MAA) particle packing model. The formation of fibres network and the effect of steel fibres on the UHPC properties were analyzed. The experimental results reveal that casting at one side of the mould benefits the orientation of steel fibres, and a higher steel fibres content results in more disordered orientation of steel fibres and increases the possibility of fibres connection, which is not conductive to the development of particle packing structure and workability of UHPC. The addition of steel fibres contributes to the development of UHPC mechanical properties, but the excessive addition of steel fibres will cause the reduction of the fibre application efficiency. The use of steel fibres has both positive and negative effects on the UHPC properties, thus there is a need for the optimization of steel fibre 3D network to improve the fibre application efficiency and obtain expected UHPC products.

ultra-high performance concrete  /  steel fibre content  /  steel fibres network  /  performance evaluation
余睿, 范定强, 孙美娟, 张晶晶, 水中和, 候东帅, 王鑫鹏, 冯元. 钢纤维掺量及其3D空间结构对超高性能混凝土性能的影响. 硅酸盐学报, 2021 , 49 (11) : 2313 -2321 . DOI: 10.14062/j.issn.0454-5648.20210310
Rui YU, Dingqiang FAN, Meijuan SUN, Jingjing ZHANG, Zhonghe SHUI, Dongshuai HOU, Xingpeng WANG, Yuan FENG. Effects of Steel Fibre Content and 3D Network on Performance of Ultra-High Performance Concrete[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (11) : 2313 -2321 . DOI: 10.14062/j.issn.0454-5648.20210310
Appendix
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Year 2021 volume 49 Issue 11
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Article Info
doi: 10.14062/j.issn.0454-5648.20210310
  • Receive Date：2021-04-25
  • Online Date：2026-10-30
  • Published：2021-11-20
Article Data
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History
  • Received：2021-04-25
  • Revised：2021-05-30
Funding
Affiliations
    1.State Key Laboratory of Silicate Materials for Architectures, Wuhan 430070, China
    2.School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China
    3.School of Civil Engineering, Qingdao University of Technology, Qingdao 430070, Shandong, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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