Article(id=1319236893364048286, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319236892848148894, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20220365, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1651766400000, receivedDateStr=2022-05-06, revisedDate=1652889600000, revisedDateStr=2022-05-19, acceptedDate=null, acceptedDateStr=null, onlineDate=1792460185613, onlineDateStr=2026-10-20, pubDate=1668873600000, pubDateStr=2022-11-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792460185613, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792460185613, creator=13701087609, updateTime=1792460185613, updator=13701087609, issue=Issue{id=1319236892848148894, tenantId=1146029695717560320, journalId=1263187385517883426, year='2022', volume='50', issue='11', pageStart='2809', pageEnd='3090', issueExtLink='null', onlineDate='null', pubDate='1668873600000', pubDateStr='2022-11-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792460185491, creator='13701087609', updateTime=1792460700564, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319239053275411177, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319236892848148894, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319239053275411178, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319236892848148894, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=2877, endPage=2885, ext={EN=ArticleExt(id=1319236893582152095, articleId=1319236893364048286, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Bonding Damage Evolution Process of Concrete-Epoxy Grout Composite Under Dry-Wet Interface Condition, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

The bonding strength of epoxy grout-concrete composite was investigated by axial tensile test to reveal the bonding damage evolution mechanism between epoxy grout and concrete under dry and wet interface condition. The ringing count, b value and the spatial position of acoustic emission (AE) source during the tensile process of composite were obtained by AE technique, and the spatial evolution process of bonding damage of composite was analyzed. The evolution characteristics of strain and displacement damage on the fracture surface of the composite under wet and dry interface condition were obtained by a digital image correlation method. The results show that the bonding strength under dry interface condition is 60% higher than that under wet interface condition. Under wet interface condition, the AE source of epoxy grout-concrete is concentrated at the interface, and a regular strain concentration zone is formed at the interface, showing the characteristics of interface failure. Under dry interface condition, however, there are a lot of AE sources in the concrete, and there are several irregular strain concentration zones on the fracture surface, indicating the failure mode of the concrete matrix as a whole.

, authors=Jianhui TANG1, Xudong CHEN1, Yin BAI2, Yingjie NING3, authorsList=Jianhui TANG, Xudong CHEN, Yin BAI, Yingjie NING, authorCompany=null, correspAuthors=Xudong CHEN, authorNote=

TANG Jianhui (1994-), male, Doctoral candidate. E-mail:

, correspAuthorsNote=
CHEN Xudong (1985-), male, Ph.D., Professor. E-mail:
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为了揭示干湿界面状态下混凝土与环氧胶泥黏结损伤演化机理,采用轴拉试验研究了环氧胶泥-混凝土复合体的黏结强度,并通过声发射技术获得了复合体拉伸过程中振铃计数、b值以及声发射源空间位置,分析了复合体黏结损伤的空间演化过程。通过数字图像相关法获得了干湿界面状态下复合体断裂表面的应变和位移损伤演变特征。结果表明:干燥界面下黏结强度相比潮湿界面下高约60%。潮湿界面下混凝土-环氧胶泥的声发射源空间位置集中在界面处,并在界面处形成1条规则的应变集中带,表现出界面破坏特征;而干燥界面下混凝土内部出现大量的声发射源,断裂面存在多条不规则的应变集中带,整体表现为混凝土基体破坏模式。

, authors=唐建辉1, 陈徐东1, 白银2, 宁英杰3, authorsList=唐建辉, 陈徐东, 白银, 宁英杰, authorCompany=null, correspAuthors=陈徐东, authorNote=

唐建辉(1994—),男,博士研究生。

, correspAuthorsNote=
陈徐东(1985—),男,博士,教授。
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TANG Jianhui (1994-), male, Doctoral candidate. E-mail:

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唐建辉(1994—),男,博士研究生。

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唐建辉(1994—),男,博士研究生。

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干湿界面状态下混凝土-环氧胶泥复合体黏结损伤演化过程
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唐建辉 1 , 陈徐东 1 , 白银 2 , 宁英杰 3
硅酸盐学报 | 研究论文 2022,50(11): 2877-2885
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硅酸盐学报 |研究论文 2022 , 50 (11) : 2877 -2885
干湿界面状态下混凝土-环氧胶泥复合体黏结损伤演化过程
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唐建辉1 , 陈徐东1 , 白银2, 宁英杰3
作者信息
  • 1.河海大学土木与交通学院,南京 210098
  • 2.南京水利科学研究院材料结构研究所,南京 210029
  • 3.浙江交工集团股份有限公司,杭州 310051
通讯作者:
陈徐东(1985—),男,博士,教授。
作者简介:

唐建辉(1994—),男,博士研究生。

Bonding Damage Evolution Process of Concrete-Epoxy Grout Composite Under Dry-Wet Interface Condition
Jianhui TANG1 , Xudong CHEN1 , Yin BAI2, Yingjie NING3
Affiliations
  • 1.College of Civil and Transportation Engineering, Hohai University, Nanjing 210098, China
  • 2.Materials & Structural Engineering Department, Nanjing Hydraulic Research Institute, Nanjing 210029, China
  • 3.Zhejiang Communications Construction Group Co., Ltd., Hangzhou 310051, China
  • Corresponding Author:
    CHEN Xudong (1985-), male, Ph.D., Professor. E-mail:

    TANG Jianhui (1994-), male, Doctoral candidate. E-mail:

出版时间: 2022-11-20 doi: 10.14062/j.issn.0454-5648.20220365
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为了揭示干湿界面状态下混凝土与环氧胶泥黏结损伤演化机理,采用轴拉试验研究了环氧胶泥-混凝土复合体的黏结强度,并通过声发射技术获得了复合体拉伸过程中振铃计数、b值以及声发射源空间位置,分析了复合体黏结损伤的空间演化过程。通过数字图像相关法获得了干湿界面状态下复合体断裂表面的应变和位移损伤演变特征。结果表明:干燥界面下黏结强度相比潮湿界面下高约60%。潮湿界面下混凝土-环氧胶泥的声发射源空间位置集中在界面处,并在界面处形成1条规则的应变集中带,表现出界面破坏特征;而干燥界面下混凝土内部出现大量的声发射源,断裂面存在多条不规则的应变集中带,整体表现为混凝土基体破坏模式。

环氧胶泥  /  混凝土  /  干湿界面  /  黏结强度  /  声发射特征  /  表面应变

The bonding strength of epoxy grout-concrete composite was investigated by axial tensile test to reveal the bonding damage evolution mechanism between epoxy grout and concrete under dry and wet interface condition. The ringing count, b value and the spatial position of acoustic emission (AE) source during the tensile process of composite were obtained by AE technique, and the spatial evolution process of bonding damage of composite was analyzed. The evolution characteristics of strain and displacement damage on the fracture surface of the composite under wet and dry interface condition were obtained by a digital image correlation method. The results show that the bonding strength under dry interface condition is 60% higher than that under wet interface condition. Under wet interface condition, the AE source of epoxy grout-concrete is concentrated at the interface, and a regular strain concentration zone is formed at the interface, showing the characteristics of interface failure. Under dry interface condition, however, there are a lot of AE sources in the concrete, and there are several irregular strain concentration zones on the fracture surface, indicating the failure mode of the concrete matrix as a whole.

epoxy grout  /  concrete  /  dry-wet interface  /  bonding strength  /  acoustic emission characteristics  /  surface strain
唐建辉, 陈徐东, 白银, 宁英杰. 干湿界面状态下混凝土-环氧胶泥复合体黏结损伤演化过程. 硅酸盐学报, 2022 , 50 (11) : 2877 -2885 . DOI: 10.14062/j.issn.0454-5648.20220365
Jianhui TANG, Xudong CHEN, Yin BAI, Yingjie NING. Bonding Damage Evolution Process of Concrete-Epoxy Grout Composite Under Dry-Wet Interface Condition[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (11) : 2877 -2885 . DOI: 10.14062/j.issn.0454-5648.20220365
  • 国家重点研发计划(2021YFB2600200)
  • 国家自然科学基金面上项目(51979090; 51779085)
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2022年第50卷第11期
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doi: 10.14062/j.issn.0454-5648.20220365
  • 接收时间:2022-05-06
  • 首发时间:2026-10-20
  • 出版时间:2022-11-20
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  • 收稿日期:2022-05-06
  • 修回日期:2022-05-19
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国家重点研发计划(2021YFB2600200)
国家自然科学基金面上项目(51979090; 51779085)
作者信息
    1.河海大学土木与交通学院,南京 210098
    2.南京水利科学研究院材料结构研究所,南京 210029
    3.浙江交工集团股份有限公司,杭州 310051

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陈徐东(1985—),男,博士,教授。
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https://castjournals.cast.org.cn/joweb/gsyxb/CN/10.14062/j.issn.0454-5648.20220365
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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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