Article(id=1322943915762000458, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322943149844345666, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20200848, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1604851200000, receivedDateStr=2020-11-09, revisedDate=1615478400000, revisedDateStr=2021-03-12, acceptedDate=null, acceptedDateStr=null, onlineDate=1793344008627, onlineDateStr=2026-10-30, pubDate=1639929600000, pubDateStr=2021-12-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793344008627, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793344008627, creator=13701087609, updateTime=1793344008627, updator=13701087609, issue=Issue{id=1322943149844345666, tenantId=1146029695717560320, journalId=1263187385517883426, year='2021', volume='49', issue='12', pageStart='2549', pageEnd='2816', issueExtLink='null', onlineDate='null', pubDate='1639929600000', pubDateStr='2021-12-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793343826018, creator='13701087609', updateTime=1793345974749, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322952162350859029, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322943149844345666, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322952162350859030, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322943149844345666, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=2667, endPage=2675, ext={EN=ArticleExt(id=1322943915984298571, articleId=1322943915762000458, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Crack Bridging Stress-Crack Opening Relationship for High Ductility Cementitious Composites, columnId=1319726165087077079, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Article, runingTitle=null, highlight=null, articleAbstract=

The interface chemical bond, potential fiber de-bonding fracture, potential fiber slip fracture and slip hardening interface characteristics were concerned based on the micron-scale pull-out characteristics of single staple fiber from the hardened matrix. The crack bridging stress-crack (σB-δ)opening relationship based on high ductility cementitious composite (HDCC) design theory was analyzed, and the (σB-δ)relation model of HDCC was proposed. In addition, the established model was verified by the experimental test data, indicating that the properties (i.e., tensile strength and average crack opening after failure) of HDCC predicted by the model are in reasonable agreement with the experimental results.

, authors=Jiandong WU1, Liping GUO1, 2, 3, Cong DING1, authorsList=Jiandong WU, Liping GUO, Cong DING, authorCompany=null, correspAuthors=Liping GUO, authorNote=

WU Jiandong(1990-), male, Doctoral candidate. E-mail:

, correspAuthorsNote=
GUO Liping (1979-), female, Ph. D., Professor. E-mail:
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基于单丝短切纤维在细观尺度从硬化基体中拔出的特性,考虑了界面化学键、潜在纤维脱黏断裂、潜在纤维滑移断裂和滑移硬化界面特性,对高延性水泥基复合材料(HDCC)设计理论的裂纹桥联应力裂纹张开关系(σB-δ关系)进行了系统分析和理论推导,并建立了σB-δ关系模型。通过实验测试数据对建立的模型进行了验证,发现σB-δ关系模型预测的有关复合材料特性,如抗拉强度和破坏后平均裂纹张开度与实验结果具有良好的一致性。

, authors=吴建东1, 郭丽萍1, 2, 3, 丁聪1, authorsList=吴建东, 郭丽萍, 丁聪, authorCompany=null, correspAuthors=郭丽萍, authorNote=

吴建东(1990—),男,博士研究生。

, correspAuthorsNote=
郭丽萍(1979—),女,博士,教授。
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高延性水泥基复合材料裂纹桥联应力与裂纹张开关系
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吴建东 1 , 郭丽萍 1, 2, 3 , 丁聪 1
硅酸盐学报 | 研究论文 2021,49(12): 2667-2675
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硅酸盐学报 |研究论文 2021 , 49 (12) : 2667 -2675
高延性水泥基复合材料裂纹桥联应力与裂纹张开关系
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吴建东1 , 郭丽萍1, 2, 3 , 丁聪1
作者信息
  • 1.东南大学材料科学与工程学院,南京 211189
  • 2.江苏省土木工程材料重点实验室,南京 211189
  • 3.先进土木工程材料协同创新中心,南京 211189
通讯作者:
郭丽萍(1979—),女,博士,教授。
作者简介:

吴建东(1990—),男,博士研究生。

Crack Bridging Stress-Crack Opening Relationship for High Ductility Cementitious Composites
Jiandong WU1 , Liping GUO1, 2, 3 , Cong DING1
Affiliations
  • 1.School of Materials Science and Engineering, Southeast University, Nanjing 211189, China
  • 2.Jiangsu Key Laboratory of Construction Materials, Nanjing 211189, China
  • 3.Collaborative Innovation Center for Advanced Civil Engineering Materials, Nanjing 211189, China
  • Corresponding Author:
    GUO Liping (1979-), female, Ph. D., Professor. E-mail:

    WU Jiandong(1990-), male, Doctoral candidate. E-mail:

出版时间: 2021-12-20 doi: 10.14062/j.issn.0454-5648.20200848
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基于单丝短切纤维在细观尺度从硬化基体中拔出的特性,考虑了界面化学键、潜在纤维脱黏断裂、潜在纤维滑移断裂和滑移硬化界面特性,对高延性水泥基复合材料(HDCC)设计理论的裂纹桥联应力裂纹张开关系(σB-δ关系)进行了系统分析和理论推导,并建立了σB-δ关系模型。通过实验测试数据对建立的模型进行了验证,发现σB-δ关系模型预测的有关复合材料特性,如抗拉强度和破坏后平均裂纹张开度与实验结果具有良好的一致性。

高延性水泥基复合材料  /  裂纹桥联σB-δ张开关系  /  细观力学  /  断裂力学  /  微结构参数

The interface chemical bond, potential fiber de-bonding fracture, potential fiber slip fracture and slip hardening interface characteristics were concerned based on the micron-scale pull-out characteristics of single staple fiber from the hardened matrix. The crack bridging stress-crack (σB-δ)opening relationship based on high ductility cementitious composite (HDCC) design theory was analyzed, and the (σB-δ)relation model of HDCC was proposed. In addition, the established model was verified by the experimental test data, indicating that the properties (i.e., tensile strength and average crack opening after failure) of HDCC predicted by the model are in reasonable agreement with the experimental results.

high ductility cementitious composite  /  crack bridging stress-crack opening relationship  /  micromechanics  /  fracture mechanics  /  microstructure parameter
吴建东, 郭丽萍, 丁聪. 高延性水泥基复合材料裂纹桥联应力与裂纹张开关系. 硅酸盐学报, 2021 , 49 (12) : 2667 -2675 . DOI: 10.14062/j.issn.0454-5648.20200848
Jiandong WU, Liping GUO, Cong DING. Crack Bridging Stress-Crack Opening Relationship for High Ductility Cementitious Composites[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (12) : 2667 -2675 . DOI: 10.14062/j.issn.0454-5648.20200848
  • 国家自然科学基金(51778133)
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2021年第49卷第12期
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doi: 10.14062/j.issn.0454-5648.20200848
  • 接收时间:2020-11-09
  • 首发时间:2026-10-30
  • 出版时间:2021-12-20
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  • 收稿日期:2020-11-09
  • 修回日期:2021-03-12
基金
国家自然科学基金(51778133)
作者信息
    1.东南大学材料科学与工程学院,南京 211189
    2.江苏省土木工程材料重点实验室,南京 211189
    3.先进土木工程材料协同创新中心,南京 211189

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郭丽萍(1979—),女,博士,教授。
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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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