Article(id=1322636290521153572, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322636274364698818, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20200255, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1586361600000, receivedDateStr=2020-04-09, revisedDate=1590508800000, revisedDateStr=2020-05-27, acceptedDate=null, acceptedDateStr=null, onlineDate=1793270665053, onlineDateStr=2026-10-29, pubDate=1605801600000, pubDateStr=2020-11-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793270665053, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793270665053, creator=13701087609, updateTime=1793270665053, updator=13701087609, issue=Issue{id=1322636274364698818, tenantId=1146029695717560320, journalId=1263187385517883426, year='2020', volume='48', issue='11', pageStart='1689', pageEnd='1864', issueExtLink='null', onlineDate='null', pubDate='1605801600000', pubDateStr='2020-11-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793270661202, creator='13701087609', updateTime=1793277186220, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322663642319930111, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322636274364698818, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322663642319930112, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322636274364698818, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1706, endPage=1715, ext={EN=ArticleExt(id=1322636292341481509, articleId=1322636290521153572, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Effects of Expansive Agent and Super-Absorbent Polymer on Performance of Ultra-high Performance Concrete, columnId=1322636275505549507, journalTitle=Journal of the Chinese Ceramic Society, columnName=Special Issue for Ultra-high Performance Concrete Ⅱ, runingTitle=null, highlight=null, articleAbstract=

In order to reduce or compensate the autogenous shrinkage of ultra-high performance concrete (UHPC), effects of expansive agent, super-absorbent polymer (SAP), expansive agent (EA) and SAP on the slump flow, setting time, strength and autogenous shrinkage of UHPC were investigated. The results show that EA can reduce the slump flow and shorten the setting time of UHPC, the addition of SAP increases the slump flow and the setting time of UHPC with EA. The EA addition of 4% can slightly increase the compressive and flexural strength of UHPC, the EA addition of 8% can decrease the compressive and flexural strength of UHPC, and the addition of SAP increases the compressive and flexural strength of UHPC with the EA addition of 8%. The autogenous shrinkage of UHPC is reduced by 34.4% at the EA addition of 4%, and the autogenous shrinkage of UHPC is compensated completely with a volume instability at the EA addition of 8%. The SAP addition can further reduce the autogenous shrinkage of UHPC at the EA addition of 4% and increase the volume stability of UHPC at the EA addition of 8%. It is thus indicated that the combined addition of EA and SAP could be an ideal approach to reduce the autogenous shrinkage of UHPC.

, authors=Luming LIU1, Zhi FANG1, 2, Zhengyu HUANG1, Bingzhi PEI3, Yuyou WU4, authorsList=Luming LIU, Zhi FANG, Zhengyu HUANG, Bingzhi PEI, Yuyou WU, authorCompany=null, correspAuthors=Zhi FANG, authorNote=

LIU Luming (1988-), male, Ph.D. E-mail:

, correspAuthorsNote=
FANG Zhi(1963-), male, Ph.D., Professor. E-mail:
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为降低或完全补偿超高性能混凝土(UHPC)的自收缩,研究了膨胀剂单掺、内养剂单掺、膨胀剂与内养剂复掺对UHPC的流动性、凝结时间、强度和自收缩的影响。结果表明:膨胀剂的加入明显降低和缩短了UHPC的流动性和凝结时间,内养剂的加入可以提高和延长掺膨胀剂UHPC的流动性和凝结时间;4%掺量的膨胀剂能小幅提高UHPC的强度,8%掺量的膨胀剂会降低UHPC的强度,内养剂的加入能改善掺8%膨胀剂UHPC的强度;4%掺量的膨胀剂能降低34.4%的自收缩,8%掺量的膨胀剂能完全补偿UHPC的自收缩,但存在体积安定性不良的问题,内养剂的加入能进一步降低掺4%膨胀剂UHPC的自收缩和改善掺8%膨胀剂UHPC的体积安定性。因此膨胀剂与内养剂复掺是一种较理想的用于降低UHPC自收缩的方法。

, authors=刘路明1, 方志1, 2, 黄政宇1, 裴炳志3, 吴玉友4, authorsList=刘路明, 方志, 黄政宇, 裴炳志, 吴玉友, authorCompany=null, correspAuthors=方志, authorNote=

刘路明(1988—),男,博士。

, correspAuthorsNote=
方志(1963—),男,博士,教授。
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膨胀剂与内养剂对超高性能混凝土性能的影响
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刘路明 1 , 方志 1, 2 , 黄政宇 1 , 裴炳志 3 , 吴玉友 4
硅酸盐学报 | 超高性能混凝土专题Ⅱ 2020,48(11): 1706-1715
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硅酸盐学报 |超高性能混凝土专题Ⅱ 2020 , 48 (11) : 1706 -1715
膨胀剂与内养剂对超高性能混凝土性能的影响
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刘路明1 , 方志1, 2 , 黄政宇1, 裴炳志3, 吴玉友4
作者信息
  • 1.湖南大学土木工程学院,长沙 410082
  • 2.湖南大学风工程与桥梁工程湖南省重点实验室,长沙 410082
  • 3.湖北省交通投资集团有限公司,武汉 430070
  • 4.佛山科学技术学院交通与土木建筑学院,广东 佛山 528225
通讯作者:
方志(1963—),男,博士,教授。
作者简介:

刘路明(1988—),男,博士。

Effects of Expansive Agent and Super-Absorbent Polymer on Performance of Ultra-high Performance Concrete
Luming LIU1 , Zhi FANG1, 2 , Zhengyu HUANG1, Bingzhi PEI3, Yuyou WU4
Affiliations
  • 1.College of Civil Engineering, Hunan University, Changsha 410082, China
  • 2.Key Laboratory for Wind and Bridge Engineering of Hunan Province, Changsha 410082, China
  • 3.Hubei provincial communications investment group, Wuhan 430070, China
  • 4.College of transportation and civil buildings, Foshan University, Foshan 528225, Guangdong China
  • Corresponding Author:
    FANG Zhi(1963-), male, Ph.D., Professor. E-mail:

    LIU Luming (1988-), male, Ph.D. E-mail:

出版时间: 2020-11-20 doi: 10.14062/j.issn.0454-5648.20200255
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为降低或完全补偿超高性能混凝土(UHPC)的自收缩,研究了膨胀剂单掺、内养剂单掺、膨胀剂与内养剂复掺对UHPC的流动性、凝结时间、强度和自收缩的影响。结果表明:膨胀剂的加入明显降低和缩短了UHPC的流动性和凝结时间,内养剂的加入可以提高和延长掺膨胀剂UHPC的流动性和凝结时间;4%掺量的膨胀剂能小幅提高UHPC的强度,8%掺量的膨胀剂会降低UHPC的强度,内养剂的加入能改善掺8%膨胀剂UHPC的强度;4%掺量的膨胀剂能降低34.4%的自收缩,8%掺量的膨胀剂能完全补偿UHPC的自收缩,但存在体积安定性不良的问题,内养剂的加入能进一步降低掺4%膨胀剂UHPC的自收缩和改善掺8%膨胀剂UHPC的体积安定性。因此膨胀剂与内养剂复掺是一种较理想的用于降低UHPC自收缩的方法。

超高性能混凝土  /  膨胀剂  /  高吸水树脂  /  自收缩  /  强度

In order to reduce or compensate the autogenous shrinkage of ultra-high performance concrete (UHPC), effects of expansive agent, super-absorbent polymer (SAP), expansive agent (EA) and SAP on the slump flow, setting time, strength and autogenous shrinkage of UHPC were investigated. The results show that EA can reduce the slump flow and shorten the setting time of UHPC, the addition of SAP increases the slump flow and the setting time of UHPC with EA. The EA addition of 4% can slightly increase the compressive and flexural strength of UHPC, the EA addition of 8% can decrease the compressive and flexural strength of UHPC, and the addition of SAP increases the compressive and flexural strength of UHPC with the EA addition of 8%. The autogenous shrinkage of UHPC is reduced by 34.4% at the EA addition of 4%, and the autogenous shrinkage of UHPC is compensated completely with a volume instability at the EA addition of 8%. The SAP addition can further reduce the autogenous shrinkage of UHPC at the EA addition of 4% and increase the volume stability of UHPC at the EA addition of 8%. It is thus indicated that the combined addition of EA and SAP could be an ideal approach to reduce the autogenous shrinkage of UHPC.

ultra-high performance concrete  /  expansive agent  /  super absorbent polymer  /  autogenous shrinkage  /  strength
刘路明, 方志, 黄政宇, 裴炳志, 吴玉友. 膨胀剂与内养剂对超高性能混凝土性能的影响. 硅酸盐学报, 2020 , 48 (11) : 1706 -1715 . DOI: 10.14062/j.issn.0454-5648.20200255
Luming LIU, Zhi FANG, Zhengyu HUANG, Bingzhi PEI, Yuyou WU. Effects of Expansive Agent and Super-Absorbent Polymer on Performance of Ultra-high Performance Concrete[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (11) : 1706 -1715 . DOI: 10.14062/j.issn.0454-5648.20200255
  • 国家自然科学基金项目(51878262)
  • 国家重点研发计划课题(2018YFC0705404)
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2020年第48卷第11期
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doi: 10.14062/j.issn.0454-5648.20200255
  • 接收时间:2020-04-09
  • 首发时间:2026-10-29
  • 出版时间:2020-11-20
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  • 收稿日期:2020-04-09
  • 修回日期:2020-05-27
基金
国家自然科学基金项目(51878262)
国家重点研发计划课题(2018YFC0705404)
作者信息
    1.湖南大学土木工程学院,长沙 410082
    2.湖南大学风工程与桥梁工程湖南省重点实验室,长沙 410082
    3.湖北省交通投资集团有限公司,武汉 430070
    4.佛山科学技术学院交通与土木建筑学院,广东 佛山 528225

通讯作者:

方志(1963—),男,博士,教授。
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2种不同金属材料的力学参数
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属数
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genus
种数
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species
占总种数比例
Percentage of
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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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