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Mechanism of Enhancing Anti-Abrasion Performance of Ultrahigh-performance Concrete via Rubber Particles
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Qingjun DING1, Jinhui LI1, Xuefei GENG1, Mingyu ZHAO2
Journal of the Chinese Ceramic Society | 2020, 48(10) : 1636 - 1643
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Journal of the Chinese Ceramic Society | 2020, 48(10): 1636-1643
Mechanism of Enhancing Anti-Abrasion Performance of Ultrahigh-performance Concrete via Rubber Particles
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Qingjun DING1, Jinhui LI1, Xuefei GENG1, Mingyu ZHAO2
Affiliations
  • 1.School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China
  • 2.School of Materials Science and Engineering, Shenyang Jianzhu University, Shenyang 110168, China

    • DING Qingjun (1962-), male, Ph.D., Professor. E-mail:

About Author:

DING Qingjun (1962-), male, Ph.D., Professor. E-mail:

Published: 2020-10-20 doi: 10.14062/j.issn.0454-5648.20200247
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A rubber particle anti-abrasive ultrahigh-performance concrete (UHPC) with a high strength, a low shrinkage, a high abrasion resistance, a high impact toughness and a high durability was developed to solve the problems of erosion damage of bridge pier in western mountainous areas with frequent floods. The mechanism of the surface modification of rubber particles to improve the properties of UHPC materials was investigated by scanning electron microscopy, energy spectroscopy and contact angle measurement. The results show that the anti-wearing strength and final crack impact energy are increased by 26% and 72%, respectively, after adding 10% (in volume fraction) NaOH + KH570 modified rubber particles with the sizes of 1-3 mm into UHPC. Also, the shrinkage is reduced by approximately 50% after adding 15% (in volume fraction) saturated pre-wet high-titanium heavy slag sand and 6% (in mass fraction) CaO type expansion agent into UHPC, compared to the reference UHPC. In addition, the modified rubber particles mainly improve the properties of UHPC material due to the improvements of the surface morphology of rubber particles, the surface hydrophilicity, and the interface properties of rubber particle-cementitious materials matrix.

rubber particles  /  ultrahigh-performance concrete  /  anti-abrasion performance  /  shrinkage  /  mechanism
丁庆军, 李进辉, 耿雪飞, 赵明宇. 橡胶颗粒掺杂提高超高性能混凝土的抗冲磨性能及其机理. 硅酸盐学报, 2020 , 48 (10) : 1636 -1643 . DOI: 10.14062/j.issn.0454-5648.20200247
Qingjun DING, Jinhui LI, Xuefei GENG, Mingyu ZHAO. Mechanism of Enhancing Anti-Abrasion Performance of Ultrahigh-performance Concrete via Rubber Particles[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (10) : 1636 -1643 . DOI: 10.14062/j.issn.0454-5648.20200247
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Year 2020 volume 48 Issue 10
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Article Info
doi: 10.14062/j.issn.0454-5648.20200247
  • Receive Date：2020-04-07
  • Online Date：2026-10-29
  • Published：2020-10-20
Article Data
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History
  • Received：2020-04-07
  • Revised：2020-05-07
Funding
Affiliations
    1.School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China
    2.School of Materials Science and Engineering, Shenyang Jianzhu University, Shenyang 110168, 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
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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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