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Bonding Damage Evolution Process of Concrete-Epoxy Grout Composite Under Dry-Wet Interface Condition
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Jianhui TANG1, Xudong CHEN1, Yin BAI2, Yingjie NING3
Journal of the Chinese Ceramic Society | 2022, 50(11) : 2877 - 2885
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Journal of the Chinese Ceramic Society | 2022, 50(11): 2877-2885
• Research Articles •
Bonding Damage Evolution Process of Concrete-Epoxy Grout Composite Under Dry-Wet Interface Condition
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Jianhui TANG1, Xudong CHEN1, Yin BAI2, Yingjie NING3
Affiliations
  • 1.College of Civil and Transportation Engineering, Hohai University, Nanjing 210098, China
  • 2.Materials & Structural Engineering Department, Nanjing Hydraulic Research Institute, Nanjing 210029, China
  • 3.Zhejiang Communications Construction Group Co., Ltd., Hangzhou 310051, China

    • TANG Jianhui (1994-), male, Doctoral candidate. E-mail:

About Author:

TANG Jianhui (1994-), male, Doctoral candidate. E-mail:

Published: 2022-11-20 doi: 10.14062/j.issn.0454-5648.20220365
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The bonding strength of epoxy grout-concrete composite was investigated by axial tensile test to reveal the bonding damage evolution mechanism between epoxy grout and concrete under dry and wet interface condition. The ringing count, b value and the spatial position of acoustic emission (AE) source during the tensile process of composite were obtained by AE technique, and the spatial evolution process of bonding damage of composite was analyzed. The evolution characteristics of strain and displacement damage on the fracture surface of the composite under wet and dry interface condition were obtained by a digital image correlation method. The results show that the bonding strength under dry interface condition is 60% higher than that under wet interface condition. Under wet interface condition, the AE source of epoxy grout-concrete is concentrated at the interface, and a regular strain concentration zone is formed at the interface, showing the characteristics of interface failure. Under dry interface condition, however, there are a lot of AE sources in the concrete, and there are several irregular strain concentration zones on the fracture surface, indicating the failure mode of the concrete matrix as a whole.

epoxy grout  /  concrete  /  dry-wet interface  /  bonding strength  /  acoustic emission characteristics  /  surface strain
唐建辉, 陈徐东, 白银, 宁英杰. 干湿界面状态下混凝土-环氧胶泥复合体黏结损伤演化过程. 硅酸盐学报, 2022 , 50 (11) : 2877 -2885 . DOI: 10.14062/j.issn.0454-5648.20220365
Jianhui TANG, Xudong CHEN, Yin BAI, Yingjie NING. Bonding Damage Evolution Process of Concrete-Epoxy Grout Composite Under Dry-Wet Interface Condition[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (11) : 2877 -2885 . DOI: 10.14062/j.issn.0454-5648.20220365
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Year 2022 volume 50 Issue 11
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Article Info
doi: 10.14062/j.issn.0454-5648.20220365
  • Receive Date：2022-05-06
  • Online Date：2026-10-20
  • Published：2022-11-20
Article Data
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History
  • Received：2022-05-06
  • Revised：2022-05-19
Funding
Affiliations
    1.College of Civil and Transportation Engineering, Hohai University, Nanjing 210098, China
    2.Materials & Structural Engineering Department, Nanjing Hydraulic Research Institute, Nanjing 210029, China
    3.Zhejiang Communications Construction Group Co., Ltd., Hangzhou 310051, China

Corresponding:

CHEN Xudong (1985-), male, Ph.D., Professor. E-mail:
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表12种不同金属材料的力学参数
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Number of
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Number of
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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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