Article(id=1319236483005919976, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319236433387303232, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20211102, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1639584000000, receivedDateStr=2021-12-16, revisedDate=1645977600000, revisedDateStr=2022-02-28, acceptedDate=null, acceptedDateStr=null, onlineDate=1792460087777, onlineDateStr=2026-10-20, pubDate=1660924800000, pubDateStr=2022-08-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792460087777, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792460087777, creator=13701087609, updateTime=1792460087777, updator=13701087609, issue=Issue{id=1319236433387303232, tenantId=1146029695717560320, journalId=1263187385517883426, year='2022', volume='50', issue='8', pageStart='2067', pageEnd='2350', issueExtLink='null', onlineDate='null', pubDate='1660924800000', pubDateStr='2022-08-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792460075946, creator='13701087609', updateTime=1792460621958, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319238723569569958, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319236433387303232, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319238723569569959, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319236433387303232, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=2245, endPage=2256, ext={EN=ArticleExt(id=1319236483224023785, articleId=1319236483005919976, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Numerical Analysis on Freezing Rate and Chloride Transport in Concrete Subjected to Freeze-Thaw Cycles, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

The durability problem of concrete structures is severe in deicing salt and marine areas. The coarsen of pore structure caused by freeze-thaw cycles (FTCs) can promote chloride transport. The pore solution can freeze into ice during the decrease of freezing temperature and consequently block chloride transport. Also, the change of chloride concentration affects the phase transition of pore solution and then chloride transport. This paper proposed a model considering freezing rate of porous solution during FTCs to analyze the effect of icing on the ionic transport. A multi-phase numerical model for coupling the binary actions of freeze-thaw and chloride transport was proposed and also verified via multiple third-party experiments. The results indicate that the freezing rate and chloride concentration increase with the increase of FTCs, and the temperature and duration of FTC both have an impact on the chloride transport. In addition, the increase of solution concentration also accelerates the chloride transport and the concrete structure deterioration although it is conducive to the decrease of pore freezing temperature and freezing rate.

, authors=Linjie LI1, Qingfeng LIU1, 2, authorsList=Linjie LI, Qingfeng LIU, authorCompany=null, correspAuthors=Qingfeng LIU, authorNote=

LI Linjie (1995-), female, Master candidate. E-mail:

, correspAuthorsNote=
LIU Qingfeng (1986-), male, Ph.D., Associate Professor. E-mail:
, 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=1319236485073711850, articleId=1319236483005919976, tenantId=1146029695717560320, journalId=1263187385517883426, language=CN, title=冻融循环下混凝土内部结冰及氯离子传输规律的数值研究, columnId=1263922770220560512, journalTitle=硅酸盐学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=

北方除冰盐地区和临海地区的混凝土耐久性问题显著。冻融循环作用会粗化孔隙结构,促进氯离子传输;另外,温度的降低会使孔隙溶液结冰,阻碍离子传输。而氯盐浓度的改变也会影响孔隙相变,进而再度作用于离子传输。针对这一复杂的耦合过程,本工作提出了冻融过程中孔隙溶液结冰率计算模型,进而分析溶液结冰对离子传输的影响,并建立经过多组第三方试验验证的冻融-离子传输的多相数值模型。结果表明:混凝土的结冰率及氯离子浓度均随着冻融循环次数的增加而增大;冻融温度及冻融持续时间对氯离子的传输具有重要影响;外界盐溶液浓度的增加虽有利于孔隙结冰温度的降低和结冰率的减小,但总体上仍加速氯离子的传输,加速混凝土耐久性的恶化。

, authors=李林洁1, 刘清风1, 2, authorsList=李林洁, 刘清风, authorCompany=null, correspAuthors=刘清风, authorNote=

李林洁(1995—),女,硕士研究生。

, correspAuthorsNote=
刘清风(1986—),男,副教授,博士研究生导师。
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LI Linjie (1995-), female, Master candidate. E-mail:

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LI Linjie (1995-), female, Master candidate. E-mail:

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李林洁(1995—),女,硕士研究生。

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冻融循环下混凝土内部结冰及氯离子传输规律的数值研究
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李林洁 1 , 刘清风 1, 2
硅酸盐学报 | 研究论文 2022,50(8): 2245-2256
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硅酸盐学报 |研究论文 2022 , 50 (8) : 2245 -2256
冻融循环下混凝土内部结冰及氯离子传输规律的数值研究
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李林洁1 , 刘清风1, 2
作者信息
  • 1.上海交通大学船舶海洋与建筑工程学院,海洋工程国家重点实验室,上海 200240
  • 2.上海市公共建筑和基础设施数字化运维重点实验室,上海 200240
通讯作者:
刘清风(1986—),男,副教授,博士研究生导师。
作者简介:

李林洁(1995—),女,硕士研究生。

Numerical Analysis on Freezing Rate and Chloride Transport in Concrete Subjected to Freeze-Thaw Cycles
Linjie LI1 , Qingfeng LIU1, 2
Affiliations
  • 1.State Key Laboratory of Ocean Engineering, School of Naval Architecture, Ocean & Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
  • 2.Shanghai Key Laboratory for Digital Maintenance of Buildings and Infrastructure, Shanghai 200240, China
  • Corresponding Author:
    LIU Qingfeng (1986-), male, Ph.D., Associate Professor. E-mail:

    LI Linjie (1995-), female, Master candidate. E-mail:

出版时间: 2022-08-20 doi: 10.14062/j.issn.0454-5648.20211102
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北方除冰盐地区和临海地区的混凝土耐久性问题显著。冻融循环作用会粗化孔隙结构,促进氯离子传输;另外,温度的降低会使孔隙溶液结冰,阻碍离子传输。而氯盐浓度的改变也会影响孔隙相变,进而再度作用于离子传输。针对这一复杂的耦合过程,本工作提出了冻融过程中孔隙溶液结冰率计算模型,进而分析溶液结冰对离子传输的影响,并建立经过多组第三方试验验证的冻融-离子传输的多相数值模型。结果表明:混凝土的结冰率及氯离子浓度均随着冻融循环次数的增加而增大;冻融温度及冻融持续时间对氯离子的传输具有重要影响;外界盐溶液浓度的增加虽有利于孔隙结冰温度的降低和结冰率的减小,但总体上仍加速氯离子的传输,加速混凝土耐久性的恶化。

混凝土耐久性  /  冻融循环  /  氯离子  /  多相数值模型  /  结冰率

The durability problem of concrete structures is severe in deicing salt and marine areas. The coarsen of pore structure caused by freeze-thaw cycles (FTCs) can promote chloride transport. The pore solution can freeze into ice during the decrease of freezing temperature and consequently block chloride transport. Also, the change of chloride concentration affects the phase transition of pore solution and then chloride transport. This paper proposed a model considering freezing rate of porous solution during FTCs to analyze the effect of icing on the ionic transport. A multi-phase numerical model for coupling the binary actions of freeze-thaw and chloride transport was proposed and also verified via multiple third-party experiments. The results indicate that the freezing rate and chloride concentration increase with the increase of FTCs, and the temperature and duration of FTC both have an impact on the chloride transport. In addition, the increase of solution concentration also accelerates the chloride transport and the concrete structure deterioration although it is conducive to the decrease of pore freezing temperature and freezing rate.

concrete durability  /  freeze-thaw cycles  /  chloride  /  multi-phase numerical model  /  freezing rate
李林洁, 刘清风. 冻融循环下混凝土内部结冰及氯离子传输规律的数值研究. 硅酸盐学报, 2022 , 50 (8) : 2245 -2256 . DOI: 10.14062/j.issn.0454-5648.20211102
Linjie LI, Qingfeng LIU. Numerical Analysis on Freezing Rate and Chloride Transport in Concrete Subjected to Freeze-Thaw Cycles[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (8) : 2245 -2256 . DOI: 10.14062/j.issn.0454-5648.20211102
  • 国家自然科学基金(51978396)
  • 上海市“青年科技启明星计划”(19QA1404700)
  • 上海交通大学深蓝计划
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doi: 10.14062/j.issn.0454-5648.20211102
  • 接收时间:2021-12-16
  • 首发时间:2026-10-20
  • 出版时间:2022-08-20
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  • 收稿日期:2021-12-16
  • 修回日期:2022-02-28
基金
国家自然科学基金(51978396)
上海市“青年科技启明星计划”(19QA1404700)
上海交通大学深蓝计划
作者信息
    1.上海交通大学船舶海洋与建筑工程学院,海洋工程国家重点实验室,上海 200240
    2.上海市公共建筑和基础设施数字化运维重点实验室,上海 200240

通讯作者:

刘清风(1986—),男,副教授,博士研究生导师。
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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
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