Article(id=1223185966555320820, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223185958363841064, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20220799, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1650470400000, receivedDateStr=2022-04-21, revisedDate=1653580800000, revisedDateStr=2022-05-27, acceptedDate=null, acceptedDateStr=null, onlineDate=1769559860122, onlineDateStr=2026-01-28, pubDate=1679673600000, pubDateStr=2023-03-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769559860122, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769559860122, creator=13701087609, updateTime=1769559860122, updator=13701087609, issue=Issue{id=1223185958363841064, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='3', pageStart='1', pageEnd='220', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769559858149, creator=13701087609, updateTime=1769561242661, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223191765415477785, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223185958363841064, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223191765415477786, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223185958363841064, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=149, endPage=153, ext={EN=ArticleExt(id=1223185970531521254, articleId=1223185966555320820, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Numerical Simulation of Mesoscopic Damage Mechanism of Recycled Concrete Containing Brick, columnId=1222925283779400191, journalTitle=Water Resources and Power, columnName=WATER CONSERVANCY AND HYDROPOWER ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

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.

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为研究再生砖混凝土力学性能和损伤破坏机理,将再生骨料形态视为随机凹凸多边形,将再生砖混凝土视为废砖骨料、废弃混凝土骨料、新旧砂浆、废砖—新砂浆、骨料—旧砂浆、新-旧砂浆等七相非均质复合材料,基于PYTHON的ABAQUS开发程序建立了不同骨料投放率、不同砖量的再生混凝土数值模型,对粗骨料投放率为45%的含砖再生混凝土进行了细观力学性能计算分析,并研究了含砖再生混凝土在荷载作用下的损伤破坏模式。结果表明,该算法建模高效,能够建立不同骨料投放率、不同砖量的含砖再生混凝土细观模型,能满足一定工程需求;再生砖混凝土的峰值应力和弹性模量随砖量的增加而逐渐降低,而峰值应变随砖量的增加而增大;不同砖量的混凝土损伤破坏形态基本一致。

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姚泽良(1976-),女,博士、副教授,研究方向为土木工程,E-mail:

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姚泽良(1976-),女,博士、副教授,研究方向为土木工程,E-mail:

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姚泽良(1976-),女,博士、副教授,研究方向为土木工程,E-mail:

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含砖再生混凝土细观损伤机理数值模拟研究
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姚泽良 1, 2 , 祁亚伦 1, 2 , 令狐恬晶 1, 2 , 党发宁 1, 2 , 崔婷婷 1, 2 , 闻硕 1, 2
水电能源科学 | 水利水电工程 2023,41(3): 149-153
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水电能源科学 | 水利水电工程 2023, 41(3): 149-153
含砖再生混凝土细观损伤机理数值模拟研究
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姚泽良1, 2 , 祁亚伦1, 2, 令狐恬晶1, 2, 党发宁1, 2, 崔婷婷1, 2, 闻硕1, 2
作者信息
  • 1.西安理工大学土木建筑工程学院,陕西 西安 710048
  • 2.西北干旱地区生态水利国家重点实验室,陕西 西安 710048
  • 姚泽良(1976-),女,博士、副教授,研究方向为土木工程,E-mail:

Numerical Simulation of Mesoscopic Damage Mechanism of Recycled Concrete Containing Brick
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
出版时间: 2023-03-25 doi: 10.20040/j.cnki.1000-7709.2023.20220799
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为研究再生砖混凝土力学性能和损伤破坏机理,将再生骨料形态视为随机凹凸多边形,将再生砖混凝土视为废砖骨料、废弃混凝土骨料、新旧砂浆、废砖—新砂浆、骨料—旧砂浆、新-旧砂浆等七相非均质复合材料,基于PYTHON的ABAQUS开发程序建立了不同骨料投放率、不同砖量的再生混凝土数值模型,对粗骨料投放率为45%的含砖再生混凝土进行了细观力学性能计算分析,并研究了含砖再生混凝土在荷载作用下的损伤破坏模式。结果表明,该算法建模高效,能够建立不同骨料投放率、不同砖量的含砖再生混凝土细观模型,能满足一定工程需求;再生砖混凝土的峰值应力和弹性模量随砖量的增加而逐渐降低,而峰值应变随砖量的增加而增大;不同砖量的混凝土损伤破坏形态基本一致。

再生混凝土  /  砖  /  破坏模式  /  细观性能  /  力学指标

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
姚泽良, 祁亚伦, 令狐恬晶, 党发宁, 崔婷婷, 闻硕. 含砖再生混凝土细观损伤机理数值模拟研究. 水电能源科学, 2023 , 41 (3) : 149 -153 . DOI: 10.20040/j.cnki.1000-7709.2023.20220799
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
  • 国家自然科学基金项目(51208422)
  • 陕西省教育厅重点项目(20JS092)
2023年第41卷第3期
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doi: 10.20040/j.cnki.1000-7709.2023.20220799
  • 接收时间:2022-04-21
  • 首发时间:2026-01-28
  • 出版时间:2023-03-25
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  • 收稿日期:2022-04-21
  • 修回日期:2022-05-27
基金
国家自然科学基金项目(51208422)
陕西省教育厅重点项目(20JS092)
作者信息
    1.西安理工大学土木建筑工程学院,陕西 西安 710048
    2.西北干旱地区生态水利国家重点实验室,陕西 西安 710048
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

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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