Article(id=1311351197827694734, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1311351152067830064, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2026.20251298, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1753200000000, receivedDateStr=2025-07-23, revisedDate=1759939200000, revisedDateStr=2025-10-09, acceptedDate=1760025600000, acceptedDateStr=2025-10-10, onlineDate=1790580089289, onlineDateStr=2026-09-28, pubDate=1769270400000, pubDateStr=2026-01-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1790580089289, onlineIssueDateStr=2026-09-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1790580089289, creator=13701087609, updateTime=1790580089289, updator=13701087609, issue=Issue{id=1311351152067830064, tenantId=1146029695717560320, journalId=1205116964453384197, year='2026', volume='44', issue='1', pageStart='1', pageEnd='246', issueExtLink='null', onlineDate='null', pubDate='1769270400000', pubDateStr='2026-01-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1790580078378, creator='13701087609', updateTime=1790588459421, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1311386304772927717, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1311351152067830064, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1311386304772927718, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1311351152067830064, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=108, endPage=113, ext={EN=ArticleExt(id=1311351198012244111, articleId=1311351197827694734, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Effects of Shrinkage Reducing Agent and Expansive Agent on Autogenous Shrinkage of UHPC at Early Age, columnId=null, journalTitle=Water Resources and Power, columnName=null, runingTitle=null, highlight=null, articleAbstract=

In order to solve the problem of large early autogenous shrinkage and high cracking risk of the UHPC, the effects of expansive agent and shrinkage reducing agent on the early autogenous shrinkage of the UHPC were studied. The effects of single expansive agent, single shrinkage reducing agent and their combination on the autogenous shrinkage of the UHPC were tested, and the microstructure of the products was analyzed. The results show that both expansive agent and shrinkage reducing agent can reduce the early autogenous shrinkage of the UHPC, and the shrinkage reducing effect of the combined admixture is more significant than that of the single admixture. When mixed alone, the more the amount of expansive agent is, the better the shrinkage reduction effect is. The optimal dosage is 8%, and the addition of 1.5% shrinkage reducing agent has the best effect on reducing autogenous shrinkage. When the expansive agent is added alone, the pores of the UHPC matrix are filled, the structure is denser, and the ability to resist shrinkage deformation is enhanced; When the shrinkage reducing agent is single-doped, the porosity and pore size of the matrix are smaller than those of the Blank group, and the autogenous shrinkage can be reduced under the appropriate dosage. When the expansive agent and the shrinkage reducing agent are mixed, the size of the AFt crystal is smaller than that of the single-doped expansive agent group but larger than that of the single-doped shrinkage reducing agent group, the structure is denser, indicating that the both of these play a synergistic role in shrinkage reduction.

, authors=Xiao-chuang ZHANG1, Ting-ting YE2, Bo CHEN1, Zi-yuan NING1, authorsList=Xiao-chuang ZHANG, Ting-ting YE, Bo CHEN, Zi-yuan NING, authorCompany=null, correspAuthors=Bo CHEN, authorNote=null, correspAuthorsNote=null, 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=1311351198368759952, articleId=1311351197827694734, tenantId=1146029695717560320, journalId=1205116964453384197, language=CN, title=减缩剂和膨胀剂对UHPC早龄期自收缩性能的影响, columnId=1207271182139736888, journalTitle=水电能源科学, columnName=水工结构、水工材料与水利工程施工, runingTitle=null, highlight=null, articleAbstract=

为了解决超高性能混凝土(UHPC)早期自收缩大、开裂风险高的问题,研究了膨胀剂、减缩剂掺量对UHPC早期自收缩性能的影响,开展了单掺膨胀剂、单掺减缩剂及两者复掺对UHPC自收缩的影响试验,分析了微观产物形貌。结果表明,单掺膨胀剂和减缩剂均会降低UHPC早期自收缩,两者复掺的减缩效果比单掺时更显著。单掺时,膨胀剂掺量越多,减缩效果越好,最优掺量为8%,而添加1.5%减缩剂降低自收缩的效果最好。膨胀剂单掺时,UHPC基体的孔隙被填充,结构更致密,抵抗收缩变形的能力增强;减缩剂单掺时,UHPC的基体孔隙率与孔隙尺寸比Blank组小,在掺量适当时,能够降低自收缩;膨胀剂和减缩剂复掺时,AFt晶体尺寸小于单掺膨胀剂组但大于单掺减缩剂组,结构较为致密,说明两者起到了协同减缩作用。

, authors=张晓闯1, 叶婷婷2, 陈波1, 宁紫缘1, authorsList=张晓闯, 叶婷婷, 陈波, 宁紫缘, authorCompany=null, correspAuthors=陈波, authorNote=

张晓闯(2001-),男,硕士,研究方向为超高性能混凝土,E-mail:

, correspAuthorsNote=
陈波(1978-),男,博士、教授、博导,研究方向为水工材料,E-mail:
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减缩剂和膨胀剂对UHPC早龄期自收缩性能的影响
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张晓闯 1 , 叶婷婷 2 , 陈波 1 , 宁紫缘 1
水电能源科学 | 水工结构、水工材料与水利工程施工 2026,44(1): 108-113
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水电能源科学 |水工结构、水工材料与水利工程施工 2026 , 44 (1) : 108 -113
减缩剂和膨胀剂对UHPC早龄期自收缩性能的影响
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张晓闯1 , 叶婷婷2, 陈波1 , 宁紫缘1
作者信息
  • 1.南京水利科学研究院水灾害防御全国重点实验室,江苏 南京 210029
  • 2.南京审计大学智慧校园建设中心,江苏 南京 211815
通讯作者:
陈波(1978-),男,博士、教授、博导,研究方向为水工材料,E-mail:
作者简介:

张晓闯(2001-),男,硕士,研究方向为超高性能混凝土,E-mail:

Effects of Shrinkage Reducing Agent and Expansive Agent on Autogenous Shrinkage of UHPC at Early Age
Xiao-chuang ZHANG1 , Ting-ting YE2, Bo CHEN1 , Zi-yuan NING1
Affiliations
  • 1.The National Key Laboratory of Water Disaster Prevention, Nanjing Hydraulic Research Institute, Nanjing 210029, China
  • 2.Smart Campus Construction Center, Nanjing Audit University, Nanjing 211815, China
出版时间: 2026-01-25 doi: 10.20040/j.cnki.1000-7709.2026.20251298
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为了解决超高性能混凝土(UHPC)早期自收缩大、开裂风险高的问题,研究了膨胀剂、减缩剂掺量对UHPC早期自收缩性能的影响,开展了单掺膨胀剂、单掺减缩剂及两者复掺对UHPC自收缩的影响试验,分析了微观产物形貌。结果表明,单掺膨胀剂和减缩剂均会降低UHPC早期自收缩,两者复掺的减缩效果比单掺时更显著。单掺时,膨胀剂掺量越多,减缩效果越好,最优掺量为8%,而添加1.5%减缩剂降低自收缩的效果最好。膨胀剂单掺时,UHPC基体的孔隙被填充,结构更致密,抵抗收缩变形的能力增强;减缩剂单掺时,UHPC的基体孔隙率与孔隙尺寸比Blank组小,在掺量适当时,能够降低自收缩;膨胀剂和减缩剂复掺时,AFt晶体尺寸小于单掺膨胀剂组但大于单掺减缩剂组,结构较为致密,说明两者起到了协同减缩作用。

自收缩  /  UHPC  /  膨胀剂  /  减缩剂  /  微观形貌

In order to solve the problem of large early autogenous shrinkage and high cracking risk of the UHPC, the effects of expansive agent and shrinkage reducing agent on the early autogenous shrinkage of the UHPC were studied. The effects of single expansive agent, single shrinkage reducing agent and their combination on the autogenous shrinkage of the UHPC were tested, and the microstructure of the products was analyzed. The results show that both expansive agent and shrinkage reducing agent can reduce the early autogenous shrinkage of the UHPC, and the shrinkage reducing effect of the combined admixture is more significant than that of the single admixture. When mixed alone, the more the amount of expansive agent is, the better the shrinkage reduction effect is. The optimal dosage is 8%, and the addition of 1.5% shrinkage reducing agent has the best effect on reducing autogenous shrinkage. When the expansive agent is added alone, the pores of the UHPC matrix are filled, the structure is denser, and the ability to resist shrinkage deformation is enhanced; When the shrinkage reducing agent is single-doped, the porosity and pore size of the matrix are smaller than those of the Blank group, and the autogenous shrinkage can be reduced under the appropriate dosage. When the expansive agent and the shrinkage reducing agent are mixed, the size of the AFt crystal is smaller than that of the single-doped expansive agent group but larger than that of the single-doped shrinkage reducing agent group, the structure is denser, indicating that the both of these play a synergistic role in shrinkage reduction.

autogenous shrinkage  /  UHPC  /  expansive agent  /  shrinkage reducing agent  /  microstructure
张晓闯, 叶婷婷, 陈波, 宁紫缘. 减缩剂和膨胀剂对UHPC早龄期自收缩性能的影响. 水电能源科学, 2026 , 44 (1) : 108 -113 . DOI: 10.20040/j.cnki.1000-7709.2026.20251298
Xiao-chuang ZHANG, Ting-ting YE, Bo CHEN, Zi-yuan NING. Effects of Shrinkage Reducing Agent and Expansive Agent on Autogenous Shrinkage of UHPC at Early Age[J]. Water Resources and Power, 2026 , 44 (1) : 108 -113 . DOI: 10.20040/j.cnki.1000-7709.2026.20251298
  • 国家重点研发计划(2024YFC3214904)
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doi: 10.20040/j.cnki.1000-7709.2026.20251298
  • 接收时间:2025-07-23
  • 首发时间:2026-09-28
  • 出版时间:2026-01-25
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  • 收稿日期:2025-07-23
  • 修回日期:2025-10-09
  • 录用日期:2025-10-10
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国家重点研发计划(2024YFC3214904)
作者信息
    1.南京水利科学研究院水灾害防御全国重点实验室,江苏 南京 210029
    2.南京审计大学智慧校园建设中心,江苏 南京 211815

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陈波(1978-),男,博士、教授、博导,研究方向为水工材料,E-mail:
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2种不同金属材料的力学参数
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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
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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