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Effect of Calcined Clay Content on Dynamic Mechanical Properties of Ultra-High Performance Concrete
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Jingjie WEI1, 3, 4, Zhuorui WU1, 2, 3, Changle FANG1, 2, 3, Biqin DONG1, 2, 3, Wujian LONG1, 2, 3
Journal of the Chinese Ceramic Society | 2021, 49(11) : 2355 - 2363
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Journal of the Chinese Ceramic Society | 2021, 49(11): 2355-2363
• Special Issue on Ultra-HiHh HerHorHance Concrete Ⅱ •
Effect of Calcined Clay Content on Dynamic Mechanical Properties of Ultra-High Performance Concrete
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Jingjie WEI1, 3, 4, Zhuorui WU1, 2, 3, Changle FANG1, 2, 3, Biqin DONG1, 2, 3, Wujian LONG1, 2, 3
Affiliations
  • 1.Guangdong Provincial Key Laboratory of Durability for Marine Civil Engineering, Shenzhen University, Shenzhen 518060, Guangdong, China
  • 2.Key Lab of Coastal Urban Resilient Infrastructure, MOE, Shenzhen University, Shenzhen 518060, Guangdong, China
  • 3.College of Civil and Transportation Engineering Shenzhen University, Shenzhen 518060, Guangdong, China
  • 4.Department of Civil, Architectural, and Environmental Engineering, Missouri University of Science and Technology, Rolla, MO 65409, USA

    • WEI Jingjie (1991-), male, Doctoral candidate. E-mail:

About Author:

WEI Jingjie (1991-), male, Doctoral candidate. E-mail:

Published: 2021-11-20 doi: 10.14062/j.issn.0454-5648.20210256
Outline
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Limestone calcined clay cement (LC3) was used to prepare three kinds of ultra-high performance concrete (UHPC) with different calcined clay contents, and the effects of calcined clay contents on the static and dynamic mechanical properties of UHPC were evaluated by dynamic mechanical analysis, scanning electron microscopy-energy disperse spectroscopy and mercury intrusion porosimetry. The results show that compared to the reference group, the maximum enhancements of loss factor, loss modulus and storage modulus of UHPC incorporated with LC3 of 46.7%, 50.0% and 102.0%, respectively. The slump flow of UHPC is decreased by 20.5%, 26.9%, and 29.2% when calcined clay content is increased from 0 to 35%, 40% and 45%, respectively. Also, compared to the reference group, the compressive and flexural strengths of UHPC incorporated with 35% calcined clay are increased by 13.78% and 27.11%, respectively. In addition, UHPC incorporated with 30%-40% calcined clay has better static and dynamic mechanical properties, environmental friendliness, as well as economic efficiency.

ultra-high performance concrete  /  calcined clay  /  dynamical mechanical properties  /  microstructure
韦经杰, 吴卓锐, 方长乐, 董必钦, 龙武剑. 煅烧黏土掺量对超高性能混凝土动态力学性能的影响. 硅酸盐学报, 2021 , 49 (11) : 2355 -2363 . DOI: 10.14062/j.issn.0454-5648.20210256
Jingjie WEI, Zhuorui WU, Changle FANG, Biqin DONG, Wujian LONG. Effect of Calcined Clay Content on Dynamic Mechanical Properties of Ultra-High Performance Concrete[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (11) : 2355 -2363 . DOI: 10.14062/j.issn.0454-5648.20210256
Appendix
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Year 2021 volume 49 Issue 11
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Article Info
doi: 10.14062/j.issn.0454-5648.20210256
  • Receive Date：2021-04-12
  • Online Date：2026-10-30
  • Published：2021-11-20
Article Data
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History
  • Received：2021-04-12
  • Revised：2021-04-23
Funding
Affiliations
    1.Guangdong Provincial Key Laboratory of Durability for Marine Civil Engineering, Shenzhen University, Shenzhen 518060, Guangdong, China
    2.Key Lab of Coastal Urban Resilient Infrastructure, MOE, Shenzhen University, Shenzhen 518060, Guangdong, China
    3.College of Civil and Transportation Engineering Shenzhen University, Shenzhen 518060, Guangdong, China
    4.Department of Civil, Architectural, and Environmental Engineering, Missouri University of Science and Technology, Rolla, MO 65409, USA

Corresponding:

LONG Wujian (1977-), male, 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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