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Scale Effect of Cubic Compressive Strength of Ultra-high Performance Concrete
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Jie SU1, 2, Wei LIU1, Caijun SHI1, 2, Zhi FANG1
Journal of the Chinese Ceramic Society | 2021, 49(2) : 305 - 311
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Journal of the Chinese Ceramic Society | 2021, 49(2): 305-311
• Research Article •
Scale Effect of Cubic Compressive Strength of Ultra-high Performance Concrete
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Jie SU1, 2, Wei LIU1, Caijun SHI1, 2, Zhi FANG1
Affiliations
  • 1.Key Laboratory for Green & Advanced Civil Engineering Materials and Application Technology of Hunan Province, Hunan University, Changsha 410082, China
  • 2.College of Civil Engineering, Hunan University, Changsha 410082, China

    • SU Jie (1979-), male, Ph. D, Associate Professor. E-mail:

About Author:

SU Jie (1979-), male, Ph. D, Associate Professor. E-mail:

Published: 2021-02-20 doi: 10.14062/j.issn.0454-5648.20200392
Outline
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The effects of strength grade, steel fiber content on the compressive strength and its scale effect of ultra-high performance concrete (UHPC) were investigated via cubic compressive strength tests on the UHPC cubic specimens with different sizes, strength grades and fiber contents. The results show that the scale effect of the cubic compressive strength becomes more obvious with the increase of strength grade. The scale effect of the cubic compressive strength of the plain UHPC specimen with a strength grade R160 is 1.72 times greater than that of the specimen with a strength grade of R120. The content of steel fiber has an effect on the scale effect of the cubic compressive strength. The greater the content of steel fiber is, the more pronounced the scale effect will be. The scale effect on the cubic compressive strength of specimens with a fiber content of 3% is 46% greater than that of the specimens without steel fiber reinforcement. The size conversion factors for cubic compressive strength of the UHPC with different strength grade sand the calculation formulas for the scale effect law of the cubic compressive strength of the UHPC are proposed. The proposed formulas can be used to analyze the cubic compressive strength of the UHPC.

ultra-high performance concrete  /  cubic compressive strength  /  scale effect  /  steel fiber
苏捷, 刘伟, 史才军, 方志. 超高性能混凝土立方体抗压强度尺寸效应. 硅酸盐学报, 2021 , 49 (2) : 305 -311 . DOI: 10.14062/j.issn.0454-5648.20200392
Jie SU, Wei LIU, Caijun SHI, Zhi FANG. Scale Effect of Cubic Compressive Strength of Ultra-high Performance Concrete[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (2) : 305 -311 . DOI: 10.14062/j.issn.0454-5648.20200392
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Year 2021 volume 49 Issue 2
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Article Info
doi: 10.14062/j.issn.0454-5648.20200392
  • Receive Date：2020-06-03
  • Online Date：2026-10-30
  • Published：2021-02-20
Article Data
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History
  • Received：2020-06-03
  • Revised：2020-07-07
Funding
Affiliations
    1.Key Laboratory for Green & Advanced Civil Engineering Materials and Application Technology of Hunan Province, Hunan University, Changsha 410082, China
    2.College of Civil Engineering, Hunan University, Changsha 410082, 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
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Genus		 种数
Number of
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Percentage of total
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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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