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Numerical Simulation of Mesoscopic Damage Mechanism of Recycled Concrete Containing Brick
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Ze-liang YAO1, 2, Ya-lun QI1, 2, Tian-jing LINGHU1, 2, Fa-ning DANG1, 2, Ting-ting CUI1, 2, Shuo WEN1, 2
Water Resources and Power | 2023, 41(3) : 149 - 153
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Water Resources and Power | 2023, 41(3): 149-153
• WATER CONSERVANCY AND HYDROPOWER ENGINEERING •
Numerical Simulation of Mesoscopic Damage Mechanism of Recycled Concrete Containing Brick
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Ze-liang YAO1, 2, Ya-lun QI1, 2, Tian-jing LINGHU1, 2, Fa-ning DANG1, 2, Ting-ting CUI1, 2, Shuo WEN1, 2
Affiliations
  • 1.School of Civil Engineering and Architecture, Xi’an University of Technology, Xi’an 710048, China
  • 2.State Key Laboratory of Eco-hydraulics in Northwest Arid Region, Xi’an 710048, China
Published: 2023-03-25 doi: 10.20040/j.cnki.1000-7709.2023.20220799
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In order to study the mechanical properties and damage mechanism of recycled brick concrete, the shape of recycled aggregate was regarded as a random concave convex polygon. Recycled brick concrete was regarded as seven-phase heterogeneous composite materials such as waste brick aggregate, waste concrete aggregate, new and old mortar, waste brick-new mortar, aggregate-old mortar, new and old mortar. Based on the ABAQUS development program of PYTHON, the numerical model of recycled concrete with different aggregate rate and different brick quantity was established. The meso-mechanical properties of recycled concrete containing brick with 45% coarse aggregate content were analyzed. The damage and failure patterns of recycled concrete containing bricks under load were studied. The results show that the algorithm is efficient in modeling, and can establish the mesoscopic model of recycled concrete containing bricks with different aggregate rates and different brick quantities, which can meet certain engineering requirements; The peak stress and elastic modulus of recycled brick concrete gradually decrease with the increase of brick quantity, while the peak strain increases with the increase of brick quantity; The damage and failure patterns of concrete with different brick quantities are basically the same.

recycled concrete  /  brick  /  failure mode  /  microscopic performance  /  mechanical index
Ze-liang YAO, Ya-lun QI, Tian-jing LINGHU, Fa-ning DANG, Ting-ting CUI, Shuo WEN. Numerical Simulation of Mesoscopic Damage Mechanism of Recycled Concrete Containing Brick[J]. Water Resources and Power, 2023 , 41 (3) : 149 -153 . DOI: 10.20040/j.cnki.1000-7709.2023.20220799
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Year 2023 volume 41 Issue 3
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20220799
  • Receive Date：2022-04-21
  • Online Date：2026-01-28
  • Published：2023-03-25
Article Data
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History
  • Received：2022-04-21
  • Revised：2022-05-27
Funding
Affiliations
    1.School of Civil Engineering and Architecture, Xi’an University of Technology, Xi’an 710048, China
    2.State Key Laboratory of Eco-hydraulics in Northwest Arid Region, Xi’an 710048, China
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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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