Article(id=1318974623723672062, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1318974603884606018, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20220845, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1665158400000, receivedDateStr=2022-10-08, revisedDate=1666368000000, revisedDateStr=2022-10-22, acceptedDate=null, acceptedDateStr=null, onlineDate=1792397655658, onlineDateStr=2026-10-19, pubDate=1682611200000, pubDateStr=2023-04-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792397655658, onlineIssueDateStr=2026-10-19, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792397655658, creator=13701087609, updateTime=1792397655658, updator=13701087609, issue=Issue{id=1318974603884606018, tenantId=1146029695717560320, journalId=1263187385517883426, year='2023', volume='51', issue='8', pageStart='1883', pageEnd='2118', issueExtLink='null', onlineDate='null', pubDate='1692460800000', pubDateStr='2023-08-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792397650929, creator='13701087609', updateTime=1792399225992, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1318981210261541260, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1318974603884606018, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1318981210261541261, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1318974603884606018, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1920, endPage=1927, ext={EN=ArticleExt(id=1318974623933387263, articleId=1318974623723672062, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Constitutive Model and Failure Criteria of Alkali-Activated Concrete Under Confining Pressure, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

As a promising sustainable building material, alkali-activated concrete (AAC) is subjected to complex stresses. However, current investigations on the triaxial compression performance of AAC have restricted confinement ratios and do not account for specimen strength effects. In this work, conventional triaxial compression tests were conducted for AAC to investigate the damage mode, mechanical properties, constitutive model and failure criterion under confining pressure. The confinement ratio range is 0-1.4. The results show that the damage mode of AAC transforms from brittle to pseudo-ductile as the confining pressure increases. The triaxial compression strength increases significantly with AAC strength, attaining the deformation capacity with lower strength. A triaxial compression constitutive model available for Portland cement concrete (PCC) can substantially overestimate the axial strain of AAC at peak stress. Based on the experimental results, the triaxial compression constitutive model and failure criterion for AAC were proposed.

, authors=Shan LIU1, Xiaobei SHI1, Yifei HAO2, authorsList=Shan LIU, Xiaobei SHI, Yifei HAO, authorCompany=null, correspAuthors=Yifei HAO, authorNote=

LIU Shan (1995-), male, Doctoral candidate. E-mail:

, correspAuthorsNote=
HAO Yifei (1985-), male, Ph.D., Professor. E-mail:
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作为一种极具潜力的可持续建筑材料,碱激发混凝土(AAC)可能处于复杂应力状态,但是目前AAC三轴压缩性能的研究所考虑的约束率较低且忽略了试件强度影响。针对不同强度的AAC开展常规三轴压缩试验(约束率范围为0~1.4),研究AAC在围压作用下的破坏模式、力学性能、本构模型和破坏准则。结果表明:随着围压增加,AAC的破坏模式由脆性转变为伪延性。AAC强度越高,三轴压缩强度提高地更显著,但变形能力较弱。现有硅酸盐水泥混凝土(PCC)的三轴压缩本构模型会极大高估AAC在峰值应力时的轴向应变。基于试验数据,提出了AAC的三轴压缩本构模型和破坏准则。

, authors=刘杉1, 石晓贝1, 郝逸飞2, authorsList=刘杉, 石晓贝, 郝逸飞, authorCompany=null, correspAuthors=郝逸飞, authorNote=

刘杉(1995—),男,博士研究生。

, correspAuthorsNote=
郝逸飞(1985—),男,博士,教授。
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LIU Shan (1995-), male, Doctoral candidate. E-mail:

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刘杉(1995—),男,博士研究生。

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围压作用下碱激发混凝土的本构模型与破坏准则
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刘杉 1 , 石晓贝 1 , 郝逸飞 2
硅酸盐学报 | 研究论文 2023,51(8): 1920-1927
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硅酸盐学报 |研究论文 2023 , 51 (8) : 1920 -1927
围压作用下碱激发混凝土的本构模型与破坏准则
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刘杉1 , 石晓贝1, 郝逸飞2
作者信息
  • 1.天津大学,滨海土木工程结构与安全教育部重点实验室,天津 300350
  • 2.河北工业大学,天津市装配式建筑与智能建造重点实验室,天津 300400
通讯作者:
郝逸飞(1985—),男,博士,教授。
作者简介:

刘杉(1995—),男,博士研究生。

Constitutive Model and Failure Criteria of Alkali-Activated Concrete Under Confining Pressure
Shan LIU1 , Xiaobei SHI1, Yifei HAO2
Affiliations
  • 1.Key Laboratory of Coast Civil Structure Safety of Ministry of Education, Tianjin University, Tianjin 300350, China
  • 2.Tianjin Key Laboratory of Prefabricated Buildings and Intelligent Construction, Hebei University of Technology, Tianjin 300400, China
  • Corresponding Author:
    HAO Yifei (1985-), male, Ph.D., Professor. E-mail:

    LIU Shan (1995-), male, Doctoral candidate. E-mail:

出版时间: 2023-04-28 doi: 10.14062/j.issn.0454-5648.20220845
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作为一种极具潜力的可持续建筑材料,碱激发混凝土(AAC)可能处于复杂应力状态,但是目前AAC三轴压缩性能的研究所考虑的约束率较低且忽略了试件强度影响。针对不同强度的AAC开展常规三轴压缩试验(约束率范围为0~1.4),研究AAC在围压作用下的破坏模式、力学性能、本构模型和破坏准则。结果表明:随着围压增加,AAC的破坏模式由脆性转变为伪延性。AAC强度越高,三轴压缩强度提高地更显著,但变形能力较弱。现有硅酸盐水泥混凝土(PCC)的三轴压缩本构模型会极大高估AAC在峰值应力时的轴向应变。基于试验数据,提出了AAC的三轴压缩本构模型和破坏准则。

碱激发混凝土  /  三轴压缩  /  本构模型  /  破坏准则

As a promising sustainable building material, alkali-activated concrete (AAC) is subjected to complex stresses. However, current investigations on the triaxial compression performance of AAC have restricted confinement ratios and do not account for specimen strength effects. In this work, conventional triaxial compression tests were conducted for AAC to investigate the damage mode, mechanical properties, constitutive model and failure criterion under confining pressure. The confinement ratio range is 0-1.4. The results show that the damage mode of AAC transforms from brittle to pseudo-ductile as the confining pressure increases. The triaxial compression strength increases significantly with AAC strength, attaining the deformation capacity with lower strength. A triaxial compression constitutive model available for Portland cement concrete (PCC) can substantially overestimate the axial strain of AAC at peak stress. Based on the experimental results, the triaxial compression constitutive model and failure criterion for AAC were proposed.

alkali-activated concrete  /  triaxial compression  /  constitutive model  /  failure criterion
刘杉, 石晓贝, 郝逸飞. 围压作用下碱激发混凝土的本构模型与破坏准则. 硅酸盐学报, 2023 , 51 (8) : 1920 -1927 . DOI: 10.14062/j.issn.0454-5648.20220845
Shan LIU, Xiaobei SHI, Yifei HAO. Constitutive Model and Failure Criteria of Alkali-Activated Concrete Under Confining Pressure[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (8) : 1920 -1927 . DOI: 10.14062/j.issn.0454-5648.20220845
  • 河北省自然科学基金(E2020402079)
  • 国家自然科学基金区域创新发展联合基金重点项目(U20A20313)
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doi: 10.14062/j.issn.0454-5648.20220845
  • 接收时间:2022-10-08
  • 首发时间:2026-10-19
  • 出版时间:2023-04-28
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  • 收稿日期:2022-10-08
  • 修回日期:2022-10-22
基金
河北省自然科学基金(E2020402079)
国家自然科学基金区域创新发展联合基金重点项目(U20A20313)
作者信息
    1.天津大学,滨海土木工程结构与安全教育部重点实验室,天津 300350
    2.河北工业大学,天津市装配式建筑与智能建造重点实验室,天津 300400

通讯作者:

郝逸飞(1985—),男,博士,教授。
参考文献
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2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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