Article(id=1322943079128379756, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322943027827848128, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20210124, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1611331200000, receivedDateStr=2021-01-23, revisedDate=1616515200000, revisedDateStr=2021-03-24, acceptedDate=null, acceptedDateStr=null, onlineDate=1793343809157, onlineDateStr=2026-10-30, pubDate=1637337600000, pubDateStr=2021-11-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793343809157, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793343809157, creator=13701087609, updateTime=1793343809157, updator=13701087609, issue=Issue{id=1322943027827848128, tenantId=1146029695717560320, journalId=1263187385517883426, year='2021', volume='49', issue='11', pageStart='2313', pageEnd='2548', issueExtLink='null', onlineDate='null', pubDate='1637337600000', pubDateStr='2021-11-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793343796927, creator='13701087609', updateTime=1793345952795, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322952070252343421, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322943027827848128, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322952070252343422, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322943027827848128, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=2518, endPage=2528, ext={EN=ArticleExt(id=1322943079359066477, articleId=1322943079128379756, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Numerical Analysis on Mechanical Properties of Coral Aggregate Concrete Using 3D Random Mesoscale Model, columnId=1319726165087077079, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Article, runingTitle=null, highlight=null, articleAbstract=

To investigate the mechanical behavior and failure mechanism of coral aggregate concrete (CAC) under static and dynamic load, this paper proposed a 3D random mesoscale model composed of three mesoscale components, i.e., aggregate, mortar matrix and interfacial transition zone (ITZ). Using the 3D random convex particle model into the characterization of the random features of broken coral aggregates, i.e., shape and spatial distribution, was proposed. Based on the developed model and corresponding material models, i.e., CONCRETE_DAMAGE_REL3 and HOLMQUIST-JOHNSON-COOK, the static- and dynamic responses of CAC were analyzed in terms of stress-strain relation, failure pattern and process, strain rate effect, etc. The failure mechanism of CAC under different loading conditions was discussed as well. The results indicate that there is a high reliability for the developed 3D random mesoscale model in simulating the static- and dynamic properties of CAC, particularly in its failure patterns and fracture processes, which is of great significance for the failure mechanism analysis of CAC under various loading conditions.

, authors=Zhangyu WU1, Jinhua ZHANG2, Hongfa YU1, Haiyan MA1, Qin FANG3, authorsList=Zhangyu WU, Jinhua ZHANG, Hongfa YU, Haiyan MA, Qin FANG, authorCompany=null, correspAuthors=Jinhua ZHANG, Hongfa YU, authorNote=

WU Zhangyu(1994-), male, Doctoral candidate. E-mail:

, correspAuthorsNote=
ZHANG Jinhua(1981-), male, Ph. D., Professor. E-mail:
YU Hongfa(1964-), male, Ph. D., Professor.
, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1322943082978750831, articleId=1322943079128379756, tenantId=1146029695717560320, journalId=1263187385517883426, language=CN, title=基于三维随机细观模型的珊瑚混凝土力学性能模拟, columnId=1263922770220560512, journalTitle=硅酸盐学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=

为了研究珊瑚混凝土(CAC)的静、动态力学行为及损伤破坏机理,基于CAC的细观组成及结构特点,建立了包含珊瑚骨料、砂浆及二者之间界面过渡区(ITZ)的三相随机细观混凝土模型。根据破碎珊瑚骨料细观结构特征,提出采用三维随机多面体模型来表征其在形状和空间分布方面的随机特性的新思路。基于所建立的三维随机细观模型,结合CONCRETE_DAMAGE_REL3和HOLMQUIST-JOHNSON-COOK材料模型,利用ANSYS软件研究了静、动态荷载作用下CAC的力学响应,如应力-应变关系、细观破坏特征及破坏过程、应变率效应等,并分析了其细观破坏机理。结果表明:三维随机细观模型及相关材料模型参数在模拟CAC静、动态力学性能方面具有很高的可靠性,可以有效描述CAC的损伤破坏过程及形态,对于分析不同荷载作用下CAC失效机理具有重要意义。

, authors=吴彰钰1, 张锦华2, 余红发1, 麻海燕1, 方秦3, authorsList=吴彰钰, 张锦华, 余红发, 麻海燕, 方秦, authorCompany=null, correspAuthors=张锦华, 余红发, authorNote=

吴彰钰(1994—),男,博士研究生。

, correspAuthorsNote=
张锦华(1981—),男,博士,教授;
余红发(1964—),男,博士,教授。
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基于三维随机细观模型的珊瑚混凝土力学性能模拟
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吴彰钰 1 , 张锦华 2 , 余红发 1 , 麻海燕 1 , 方秦 3
硅酸盐学报 | 研究论文 2021,49(11): 2518-2528
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硅酸盐学报 |研究论文 2021 , 49 (11) : 2518 -2528
基于三维随机细观模型的珊瑚混凝土力学性能模拟
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吴彰钰1 , 张锦华2 , 余红发1 , 麻海燕1, 方秦3
作者信息
  • 1.南京航空航天大学民航学院,南京 211100
  • 2.东南大学土木工程学院,南京 211189
  • 3.陆军工程大学国防工程学院,南京 210007
通讯作者:
张锦华(1981—),男,博士,教授;
余红发(1964—),男,博士,教授。
作者简介:

吴彰钰(1994—),男,博士研究生。

Numerical Analysis on Mechanical Properties of Coral Aggregate Concrete Using 3D Random Mesoscale Model
Zhangyu WU1 , Jinhua ZHANG2 , Hongfa YU1 , Haiyan MA1, Qin FANG3
Affiliations
  • 1.College of Civil Aviation, Nanjing University of Aeronautics and Astronautics, Nanjing 211100, China
  • 2.School of Civil Engineering, Southeast University, Nanjing 211189, China
  • 3.College of National Defence Engineering, Army Engineering University of PLA, Nanjing 210007, China
  • Corresponding Author:
    ZHANG Jinhua(1981-), male, Ph. D., Professor. E-mail:
    YU Hongfa(1964-), male, Ph. D., Professor.

    WU Zhangyu(1994-), male, Doctoral candidate. E-mail:

出版时间: 2021-11-20 doi: 10.14062/j.issn.0454-5648.20210124
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为了研究珊瑚混凝土(CAC)的静、动态力学行为及损伤破坏机理,基于CAC的细观组成及结构特点,建立了包含珊瑚骨料、砂浆及二者之间界面过渡区(ITZ)的三相随机细观混凝土模型。根据破碎珊瑚骨料细观结构特征,提出采用三维随机多面体模型来表征其在形状和空间分布方面的随机特性的新思路。基于所建立的三维随机细观模型,结合CONCRETE_DAMAGE_REL3和HOLMQUIST-JOHNSON-COOK材料模型,利用ANSYS软件研究了静、动态荷载作用下CAC的力学响应,如应力-应变关系、细观破坏特征及破坏过程、应变率效应等,并分析了其细观破坏机理。结果表明:三维随机细观模型及相关材料模型参数在模拟CAC静、动态力学性能方面具有很高的可靠性,可以有效描述CAC的损伤破坏过程及形态,对于分析不同荷载作用下CAC失效机理具有重要意义。

珊瑚混凝土  /  三维细观模拟  /  随机凸多面体模型  /  静态力学性能  /  动态力学性能  /  应变率效应

To investigate the mechanical behavior and failure mechanism of coral aggregate concrete (CAC) under static and dynamic load, this paper proposed a 3D random mesoscale model composed of three mesoscale components, i.e., aggregate, mortar matrix and interfacial transition zone (ITZ). Using the 3D random convex particle model into the characterization of the random features of broken coral aggregates, i.e., shape and spatial distribution, was proposed. Based on the developed model and corresponding material models, i.e., CONCRETE_DAMAGE_REL3 and HOLMQUIST-JOHNSON-COOK, the static- and dynamic responses of CAC were analyzed in terms of stress-strain relation, failure pattern and process, strain rate effect, etc. The failure mechanism of CAC under different loading conditions was discussed as well. The results indicate that there is a high reliability for the developed 3D random mesoscale model in simulating the static- and dynamic properties of CAC, particularly in its failure patterns and fracture processes, which is of great significance for the failure mechanism analysis of CAC under various loading conditions.

coral aggregate concrete  /  3D mesoscale modelling  /  random convex particle model  /  static mechanical property  /  dynamic mechanical property  /  strain rate effect
吴彰钰, 张锦华, 余红发, 麻海燕, 方秦. 基于三维随机细观模型的珊瑚混凝土力学性能模拟. 硅酸盐学报, 2021 , 49 (11) : 2518 -2528 . DOI: 10.14062/j.issn.0454-5648.20210124
Zhangyu WU, Jinhua ZHANG, Hongfa YU, Haiyan MA, Qin FANG. Numerical Analysis on Mechanical Properties of Coral Aggregate Concrete Using 3D Random Mesoscale Model[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (11) : 2518 -2528 . DOI: 10.14062/j.issn.0454-5648.20210124
  • 国家自然科学基金面上资助项目(52078250; 51878350)
  • 国家自然科学基金重点资助项目(11832013)
  • 国家自然科学基金青年基金资助项目(51508272)
  • 江苏省研究生科研创新基金(KYCX20-0212)
  • 南京航空航天大学研究生拔尖创新人才“引航计划”跨学科创新基金(KXKCXJJ202005)
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2021年第49卷第11期
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doi: 10.14062/j.issn.0454-5648.20210124
  • 接收时间:2021-01-23
  • 首发时间:2026-10-30
  • 出版时间:2021-11-20
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  • 收稿日期:2021-01-23
  • 修回日期:2021-03-24
基金
国家自然科学基金面上资助项目(52078250; 51878350)
国家自然科学基金重点资助项目(11832013)
国家自然科学基金青年基金资助项目(51508272)
江苏省研究生科研创新基金(KYCX20-0212)
南京航空航天大学研究生拔尖创新人才“引航计划”跨学科创新基金(KXKCXJJ202005)
作者信息
    1.南京航空航天大学民航学院,南京 211100
    2.东南大学土木工程学院,南京 211189
    3.陆军工程大学国防工程学院,南京 210007

通讯作者:

张锦华(1981—),男,博士,教授;
余红发(1964—),男,博士,教授。
参考文献
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https://castjournals.cast.org.cn/joweb/gsyxb/CN/10.14062/j.issn.0454-5648.20210124
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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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