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Correlation Analysis of Fracture Characteristics of High Dam Fully-Graded Concrete
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Zhenxiang SHI1, Jingliang XIA2, Xudong CHEN1, Hanqing YANG1, Yin BAI2
Journal of the Chinese Ceramic Society | 2023, 51(8) : 1898 - 1907
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Journal of the Chinese Ceramic Society | 2023, 51(8): 1898-1907
• Research Articles •
Correlation Analysis of Fracture Characteristics of High Dam Fully-Graded Concrete
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Zhenxiang SHI1, Jingliang XIA2, Xudong CHEN1, Hanqing YANG1, Yin BAI2
Affiliations
  • 1.College of Civil Engineering and Transportation, Hohai University, Nanjing 210098, China
  • 2.China Academy of Building Research, Beijing 100013, China
  • 3.Materials &Structural Engineering Department, Nanjing Hydraulic Research Institute, Nanjing 210098, China

    • SHI Zhenxiang (1999-), male, Master candidate. E-mail:

About Author:

SHI Zhenxiang (1999-), male, Master candidate. E-mail:

Published: 2023-05-05 doi: 10.14062/j.issn.0454-5648.20230082
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The development of cohesionless cracks can be regarded as a sign of macroscopic crack development. An identification model of cohesionless cracks was adpoted with results of crack development by digital image correlation (DIC) method. Three-point bending tests were carried out on fully-graded concrete specimens with different loading rates (0.000 1 mm/s, 0.001 0 mm/s, 0.010 0 mm/s), considering the rate correlation of crack propagation of fully-graded concrete. The results show that for the fully-graded concrete specimens with different loading time intervals, cohesionless cracks will occur throughout the peak load, indicating that the prefabricated cracks have cracked when the peak load is reached. The cracks of the specimen is mainly concentrated after the load is loaded to 50% of the peak load. Under the same conditions, the slower the loading rate is, the earlier the unbonded cracks appear. With the increase of the loading rate, the cracks are thin and long.

full-graded concrete  /  loading rate  /  three-point bending fracture test  /  digital image correlation technology  /  fracture process zone  /  cohesionless cracks
石振祥, 夏京亮, 陈徐东, 杨瀚清, 白银. 高坝全级配混凝土断裂特性的相关性分析. 硅酸盐学报, 2023 , 51 (8) : 1898 -1907 . DOI: 10.14062/j.issn.0454-5648.20230082
Zhenxiang SHI, Jingliang XIA, Xudong CHEN, Hanqing YANG, Yin BAI. Correlation Analysis of Fracture Characteristics of High Dam Fully-Graded Concrete[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (8) : 1898 -1907 . DOI: 10.14062/j.issn.0454-5648.20230082
Appendix
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Year 2023 volume 51 Issue 8
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Article Info
doi: 10.14062/j.issn.0454-5648.20230082
  • Receive Date：2023-02-21
  • Online Date：2026-10-19
  • Published：2023-05-05
Article Data
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History
  • Received：2023-02-21
  • Revised：2023-03-24
Funding
Affiliations
    1.College of Civil Engineering and Transportation, Hohai University, Nanjing 210098, China
    2.China Academy of Building Research, Beijing 100013, China
    3.Materials &Structural Engineering Department, Nanjing Hydraulic Research Institute, Nanjing 210098, 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
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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