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Compressive Mechanical Properties of Steel-polypropylene Hybrid Fiber Reinforced Ultrahigh-Perfromance Concrete under Cyclic Compression
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Yin CHI, Congru YIN, Lihua XU, Shunan WANG, Zijia CHEN
Journal of the Chinese Ceramic Society | 2021, 49(11) : 2331 - 2345
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Journal of the Chinese Ceramic Society | 2021, 49(11): 2331-2345
• Special Issue on Ultra-HiHh HerHorHance Concrete Ⅱ •
Compressive Mechanical Properties of Steel-polypropylene Hybrid Fiber Reinforced Ultrahigh-Perfromance Concrete under Cyclic Compression
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Yin CHI, Congru YIN, Lihua XU, Shunan WANG, Zijia CHEN
Affiliations
  • School of Civil Engineering, Wuhan University, Wuhan 430070, China

    • CHI Yin (1984-), male, Ph. D., Associate Professor. E-mail:

About Author:

CHI Yin (1984-), male, Ph. D., Associate Professor. E-mail:

Published: 2021-11-20 doi: 10.14062/j.issn.0454-5648.20210233
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Compressive mechanical behavior of the steel-polypropylene hybrid fiber reinforced ultra-high performance concrete (SP-UHPC) with respect to the impacts of fiber types, fiber aspect ratio and volume fraction was investigated. The monotonic and cyclic compression tests were both conducted. Besides, the fiber reinforcing mechanism was analyzed by scanning electron microscopy. The results demonstrate that the inclusion of steel-polypropylene hybrid fiber can enhance the compressive mechanical properties of UHPC. Compared to the UHPC without fiber addition, the SP-UHPC shows a ductile failure mode with improved peak stress, peak strain, toughness and alleviated stiffness degradation process. Based on the experimental data, a constitutive model was proposed for SP-UHPC subjected to cyclic compression, which could be used to predict the mechanical response of the SP-UHPC at various fiber parameters.

ultra-high performance concrete  /  hybrid fiber  /  cyclic compression test  /  mechanical properties  /  stress-strain relation
池寅, 尹从儒, 徐礼华, 王淑楠, 陈子甲. 钢-聚丙烯混杂纤维增强超高性能混凝土单轴循环受压力学性能. 硅酸盐学报, 2021 , 49 (11) : 2331 -2345 . DOI: 10.14062/j.issn.0454-5648.20210233
Yin CHI, Congru YIN, Lihua XU, Shunan WANG, Zijia CHEN. Compressive Mechanical Properties of Steel-polypropylene Hybrid Fiber Reinforced Ultrahigh-Perfromance Concrete under Cyclic Compression[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (11) : 2331 -2345 . DOI: 10.14062/j.issn.0454-5648.20210233
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Year 2021 volume 49 Issue 11
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Article Info
doi: 10.14062/j.issn.0454-5648.20210233
  • Receive Date：2021-04-07
  • Online Date：2026-10-30
  • Published：2021-11-20
Article Data
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History
  • Received：2021-04-07
  • Revised：2021-05-20
Funding
Affiliations
    School of Civil Engineering, Wuhan University, Wuhan 430070, China

Corresponding:

XU Lihua (1962-), female, Ph. D., Professor. E-mail:
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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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