Article(id=1322943087777034668, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322943027827848128, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20210142, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1614182400000, receivedDateStr=2021-02-25, revisedDate=1621094400000, revisedDateStr=2021-05-16, acceptedDate=null, acceptedDateStr=null, onlineDate=1793343811220, onlineDateStr=2026-10-30, pubDate=1637337600000, pubDateStr=2021-11-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793343811220, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793343811220, creator=13701087609, updateTime=1793343811220, 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=2494, endPage=2501, ext={EN=ArticleExt(id=1322943088116773293, articleId=1322943087777034668, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Influence of Restraint on Surface Damage of Concrete Under Single-Side Salt Freezing and Thawing, columnId=1319726165087077079, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Article, runingTitle=null, highlight=null, articleAbstract=

The effect of restraint (i.e., expansion restraint and shrinkage restraint) on the surface damage of single-side salt freezing and thawing (SSFT) of concrete and its mechanism were investigated. After every four SSFT cycles and the strain during the cooling phase of the first SSFT cycle, the surface scaling was measured on the restrained concrete with a water-cement ratio of 0.40, and the tensile stress in the ice on the concrete surface was calculated. The results show that the surface scaling of restrained concrete is greater than that of free concrete, and it increases with the increase of the expansion restraint stress, but has little relationship with the shrinkage restraint stress. Compared to the free concrete, the tensile stress in the ice on the restrained concrete's surface is greater, and it is influenced by the expansion restraint stress positively. The results calculated based on the theory of "glue-spall" indicate that the expansion restrains cause the ice to crack more easily and more serious surface damage to concrete under the ice.

, authors=Zhihao GAO, Ling WANG, Xia ZHAO, authorsList=Zhihao GAO, Ling WANG, Xia ZHAO, authorCompany=null, correspAuthors=Ling WANG, authorNote=

GAO Zhihao (1992-), male, Doctoral candidate. E-mail:

, correspAuthorsNote=
WANG Ling (1968-), female, Professor. E-mail:
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研究约束(膨胀约束、收缩约束)对单面盐冻混凝土表面损伤的影响及作用机理,测试了水灰比为0.40的自由态和约束态混凝土每4次盐冻循环的表面剥落量和首次盐冻循环降温过程中的混凝土应变,计算了混凝土表面冰层中的拉应力。结果表明:约束态混凝土表面剥落量比自由态混凝土大;约束态混凝土表面剥落量随膨胀约束应力增大而增加,受收缩约束应力影响较小。与自由态混凝土相比,约束态混凝土表面冰层中的拉应力较大且随膨胀约束应力增大而增大;根据“粘贴-剥落”理论计算并证明了膨胀约束导致冰层更易开裂,引发了冰层下混凝土发生更严重表面损伤。

, authors=高志浩, 王玲, 赵霞, authorsList=高志浩, 王玲, 赵霞, authorCompany=null, correspAuthors=王玲, authorNote=

高志浩(1992—),男,博士研究生。

, correspAuthorsNote=
王玲(1968—),女,教授。
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GAO Zhihao (1992-), male, Doctoral candidate. E-mail:

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约束对单面盐冻混凝土表面损伤的影响及机理
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高志浩 , 王玲 , 赵霞
硅酸盐学报 | 研究论文 2021,49(11): 2494-2501
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硅酸盐学报 |研究论文 2021 , 49 (11) : 2494 -2501
约束对单面盐冻混凝土表面损伤的影响及机理
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高志浩 , 王玲 , 赵霞
作者信息
  • 中国建筑材料科学研究总院有限公司,绿色建筑材料国家重点实验室,北京 100024
通讯作者:
王玲(1968—),女,教授。
作者简介:

高志浩(1992—),男,博士研究生。

Influence of Restraint on Surface Damage of Concrete Under Single-Side Salt Freezing and Thawing
Zhihao GAO , Ling WANG , Xia ZHAO
Affiliations
  • The State Key Laboratory of Green Building Materials, China Building Materials Academy, Beijing 100024, China
  • Corresponding Author:
    WANG Ling (1968-), female, Professor. E-mail:

    GAO Zhihao (1992-), male, Doctoral candidate. E-mail:

出版时间: 2021-11-20 doi: 10.14062/j.issn.0454-5648.20210142
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研究约束(膨胀约束、收缩约束)对单面盐冻混凝土表面损伤的影响及作用机理,测试了水灰比为0.40的自由态和约束态混凝土每4次盐冻循环的表面剥落量和首次盐冻循环降温过程中的混凝土应变,计算了混凝土表面冰层中的拉应力。结果表明:约束态混凝土表面剥落量比自由态混凝土大;约束态混凝土表面剥落量随膨胀约束应力增大而增加,受收缩约束应力影响较小。与自由态混凝土相比,约束态混凝土表面冰层中的拉应力较大且随膨胀约束应力增大而增大;根据“粘贴-剥落”理论计算并证明了膨胀约束导致冰层更易开裂,引发了冰层下混凝土发生更严重表面损伤。

约束态混凝土  /  单面盐冻  /  表面损伤  /  表面剥落量  /  表观热膨胀系数

The effect of restraint (i.e., expansion restraint and shrinkage restraint) on the surface damage of single-side salt freezing and thawing (SSFT) of concrete and its mechanism were investigated. After every four SSFT cycles and the strain during the cooling phase of the first SSFT cycle, the surface scaling was measured on the restrained concrete with a water-cement ratio of 0.40, and the tensile stress in the ice on the concrete surface was calculated. The results show that the surface scaling of restrained concrete is greater than that of free concrete, and it increases with the increase of the expansion restraint stress, but has little relationship with the shrinkage restraint stress. Compared to the free concrete, the tensile stress in the ice on the restrained concrete's surface is greater, and it is influenced by the expansion restraint stress positively. The results calculated based on the theory of "glue-spall" indicate that the expansion restrains cause the ice to crack more easily and more serious surface damage to concrete under the ice.

restraint concrete  /  single-side freezing and thawing  /  surface damage  /  surface scaling  /  apparent thermal expansion coefficient
高志浩, 王玲, 赵霞. 约束对单面盐冻混凝土表面损伤的影响及机理. 硅酸盐学报, 2021 , 49 (11) : 2494 -2501 . DOI: 10.14062/j.issn.0454-5648.20210142
Zhihao GAO, Ling WANG, Xia ZHAO. Influence of Restraint on Surface Damage of Concrete Under Single-Side Salt Freezing and Thawing[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (11) : 2494 -2501 . DOI: 10.14062/j.issn.0454-5648.20210142
  • 国家重点研发计划资助项目(2017YFB0309901)
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doi: 10.14062/j.issn.0454-5648.20210142
  • 接收时间:2021-02-25
  • 首发时间:2026-10-30
  • 出版时间:2021-11-20
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  • 收稿日期:2021-02-25
  • 修回日期:2021-05-16
基金
国家重点研发计划资助项目(2017YFB0309901)
作者信息
    中国建筑材料科学研究总院有限公司,绿色建筑材料国家重点实验室,北京 100024

通讯作者:

王玲(1968—),女,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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