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Fracture Properties of Multi-Walled Carbon Nanotubes Reinforced Concrete
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Bingmiao ZHENG1, Jiaqi CHEN2, 3, Tao SHI1, 4, Yanming LIU1, Jinhao XU1, Nan GE1, Qifan ZHAO1, Xiaojun SHAO5
Journal of the Chinese Ceramic Society | 2021, 49(11) : 2502 - 2508
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Journal of the Chinese Ceramic Society | 2021, 49(11): 2502-2508
• Research Article •
Fracture Properties of Multi-Walled Carbon Nanotubes Reinforced Concrete
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Bingmiao ZHENG1, Jiaqi CHEN2, 3, Tao SHI1, 4, Yanming LIU1, Jinhao XU1, Nan GE1, Qifan ZHAO1, Xiaojun SHAO5
Affiliations
  • 1.College of Civil Engineering, Zhejiang University Of Technology, Hangzhou 310023, China
  • 2.Zhejiang Scientific Research Institute of Transport, Hangzhou 311305, China
  • 3.Zhejiang Provincial Key Lab for Detection and Maintenance Technology of Road and Birdge, Hangzhou 311305, China
  • 4.Key Laboratory of Civil Engineering Structure & Disaster Prevention and Mitigation Technology of Zhejiang Province, Hangzhou 310023, China
  • 5.Hangzhou LiAo Commercial Concrete Co., Ltd., Hangzhou 311122, China

    • ZHENG Bingmiao (1996-), male, Master candidate. E-mail:

About Author:

ZHENG Bingmiao (1996-), male, Master candidate. E-mail:

Published: 2021-11-20 doi: 10.14062/j.issn.0454-5648.20210054
Outline
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Incorporating multi-walled carbon nanotubes (MWCNTs) into concrete can improve the fracture toughness of concrete. The fracture properties of MWCNTs reinforced concrete were examined via three-point bending beam fracture tests. The fracture parameters of MWCNTs reinforced concrete were analyzed by using the double K fracture parameters. The results show that MWCNTs can improve the fracture toughness of concrete. When the content of MWCNTs is 0.10%, the 28-d compressive strength and splitting tensile strength of concrete are increased by 1.7% and 11.7%, respectively. When the content of MWCNTs is 0.15%, the initial fracture toughness, unstable fracture toughness and fracture energy of concrete are increased by 31.0%, 32.4% and 24.6%, respectively. It is indicated that MWCNTs delay the propagation of micro-cracks by bridging across the micro-cracks in concrete and strengthening the interfacial transition zone.

concrete  /  carbon nanotubes  /  fracture property  /  microstructure  /  double K fracture parameters  /  fracture energy
郑冰淼, 陈嘉琪, 施韬, 刘艳明, 徐锦皓, 葛楠, 赵启帆, 邵晓俊. 多壁碳纳米管增强混凝土的断裂性能. 硅酸盐学报, 2021 , 49 (11) : 2502 -2508 . DOI: 10.14062/j.issn.0454-5648.20210054
Bingmiao ZHENG, Jiaqi CHEN, Tao SHI, Yanming LIU, Jinhao XU, Nan GE, Qifan ZHAO, Xiaojun SHAO. Fracture Properties of Multi-Walled Carbon Nanotubes Reinforced Concrete[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (11) : 2502 -2508 . DOI: 10.14062/j.issn.0454-5648.20210054
Appendix
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Year 2021 volume 49 Issue 11
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Article Info
doi: 10.14062/j.issn.0454-5648.20210054
  • Receive Date：2021-01-18
  • Online Date：2026-10-30
  • Published：2021-11-20
Article Data
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History
  • Received：2021-01-18
  • Revised：2021-02-12
Funding
Affiliations
    1.College of Civil Engineering, Zhejiang University Of Technology, Hangzhou 310023, China
    2.Zhejiang Scientific Research Institute of Transport, Hangzhou 311305, China
    3.Zhejiang Provincial Key Lab for Detection and Maintenance Technology of Road and Birdge, Hangzhou 311305, China
    4.Key Laboratory of Civil Engineering Structure & Disaster Prevention and Mitigation Technology of Zhejiang Province, Hangzhou 310023, China
    5.Hangzhou LiAo Commercial Concrete Co., Ltd., Hangzhou 311122, China

Corresponding:

SHI Tao (1979-), 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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