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Impact Compressive Performance and Damage Evolution of Ultra-High Performance Concrete
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Zhidan RONG1, 2, Yali WANG1, 2, Maopeng JIAO1, 2, Jiaqi ZHANG1, 2, Hao CHEN1, 2
Journal of the Chinese Ceramic Society | 2021, 49(11) : 2322 - 2330
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Journal of the Chinese Ceramic Society | 2021, 49(11): 2322-2330
• Special Issue on Ultra-HiHh HerHorHance Concrete Ⅱ •
Impact Compressive Performance and Damage Evolution of Ultra-High Performance Concrete
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Zhidan RONG1, 2, Yali WANG1, 2, Maopeng JIAO1, 2, Jiaqi ZHANG1, 2, Hao CHEN1, 2
Affiliations
  • 1.College of Materials Science and Engineering, Southeast University, Nanjing 211189, China
  • 2.Jiangsu Key Laboratory of Construction Materials, Nanjing 211189, China

    • RONG Zhidan (1981-), male, Ph.D., Associate Professor. E-mail:

About Author:

RONG Zhidan (1981-), male, Ph.D., Associate Professor. E-mail:

Published: 2021-11-20 doi: 10.14062/j.issn.0454-5648.20210311
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Ultra-high performance concrete (UHPC) with excellent performance was prepared with two kinds of ultra-fine copper-plated steel fibers with different shapes. The multiple high-speed impact compression experiments of UHPC were carried out by a split Hopkinson pressure bar. The effects of strain rate, impact times, steel fiber types and hybrid fibers on the impact resistance of UHPC were investigated. The dynamic damage evolution of UHPC under multiple impact was characterized by X-ray computed tomography and the damage degree of UHPC was quantitatively analyzed. The results show that the reinforcing effect of end hook steel fibers on UHPC is a slightly better than that of straight steel fibers, and the material with 1% straight steel fibers and 2% end hook steel fibers has the optimum static and dynamic mechanical properties. An improved dynamic increase factor model was proposed. It is indicated that the simulated data by this model are in reasonable agreement with the experimental results.

ultra-high performance concrete  /  split Hopkinson pressure bar  /  multiple impacts  /  damage degree  /  dynamic increase factor
戎志丹, 王亚利, 焦茂鹏, 张佳奇, 陈浩. 超高性能混凝土的冲击压缩性能及损伤演变规律. 硅酸盐学报, 2021 , 49 (11) : 2322 -2330 . DOI: 10.14062/j.issn.0454-5648.20210311
Zhidan RONG, Yali WANG, Maopeng JIAO, Jiaqi ZHANG, Hao CHEN. Impact Compressive Performance and Damage Evolution of Ultra-High Performance Concrete[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (11) : 2322 -2330 . DOI: 10.14062/j.issn.0454-5648.20210311
Appendix
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Year 2021 volume 49 Issue 11
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Article Info
doi: 10.14062/j.issn.0454-5648.20210311
  • 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：2021-07-17
Funding
Affiliations
    1.College of Materials Science and Engineering, Southeast University, Nanjing 211189, China
    2.Jiangsu Key Laboratory of Construction Materials, Nanjing 211189, 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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