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Direct Shear Behavior and Damage Constitutive Model of Recycled Aggregate Concrete at Different Sizes
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Yuliang CHEN1, 2, Jie LIU1, Huiqin WU1, Rui JIANG1, Fang YAN1
Journal of the Chinese Ceramic Society | 2022, 50(2) : 388 - 395
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Journal of the Chinese Ceramic Society | 2022, 50(2): 388-395
• Research Articles •
Direct Shear Behavior and Damage Constitutive Model of Recycled Aggregate Concrete at Different Sizes
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Yuliang CHEN1, 2, Jie LIU1, Huiqin WU1, Rui JIANG1, Fang YAN1
Affiliations
  • 1.College of Civil and Architecture Engineering, Guangxi University of Science and Technology, Liuzhou 545006, Guangxi, China
  • 2.Liuzhou Dongfang Engineering Rubber Products Co., Ltd., Liuzhou 545005, Guangxi, China

    • CHEN Yuliang (1987-), male, Ph.D., Associate Professor. E-mail:

About Author:

CHEN Yuliang (1987-), male, Ph.D., Associate Professor. E-mail:

Published: 2022-02-20 doi: 10.14062/j.issn.0454-5648.20210581
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To investigate the effects of replacement rate and sample size on the direct shear performance and damage of recycled aggregate concrete (RAC), 45 RAC specimens were manufactured. The failure modes of RAC with different sizes were characterized, and the effects of replacement rate and specimen size on the direct shear performance and damage constitutive model of RAC with different sizes were investigated via direct shear tests. The results show that the peak deformation and ductility coefficient have a size effect, the damage development rate of natural concrete becomes slow, and the damage development rate of RAC becomes faster. The peak deformation firstly decreases and then increases, while the ductility coefficient firstly increases and then decreases with the increase of the replacement rate. The damage development law does not have a linear relationship with the replacement rate. The constitutive model can well reflect the shear load-deformation relationship and the damage evolution process of the RAC with different sizes.

recycled aggregate  /  failure mechanism  /  size effect  /  direct shear performance  /  damage constitutive
陈宇良, 刘杰, 吴辉琴, 姜锐, 晏方. 不同尺寸下再生骨料混凝土直剪性能及其损伤本构. 硅酸盐学报, 2022 , 50 (2) : 388 -395 . DOI: 10.14062/j.issn.0454-5648.20210581
Yuliang CHEN, Jie LIU, Huiqin WU, Rui JIANG, Fang YAN. Direct Shear Behavior and Damage Constitutive Model of Recycled Aggregate Concrete at Different Sizes[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (2) : 388 -395 . DOI: 10.14062/j.issn.0454-5648.20210581
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Year 2022 volume 50 Issue 2
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Article Info
doi: 10.14062/j.issn.0454-5648.20210581
  • Receive Date：2021-07-19
  • Online Date：2026-10-22
  • Published：2022-02-20
Article Data
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History
  • Received：2021-07-19
  • Revised：2021-10-19
Funding
Affiliations
    1.College of Civil and Architecture Engineering, Guangxi University of Science and Technology, Liuzhou 545006, Guangxi, China
    2.Liuzhou Dongfang Engineering Rubber Products Co., Ltd., Liuzhou 545005, Guangxi, China

Corresponding:

WU Huiqin (1965-), female, Master, Professor. E-mail:
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Citations
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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