Article(id=1322943028259861440, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322943027827848128, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20210310, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1619280000000, receivedDateStr=2021-04-25, revisedDate=1622304000000, revisedDateStr=2021-05-30, acceptedDate=null, acceptedDateStr=null, onlineDate=1793343797029, onlineDateStr=2026-10-30, pubDate=1637337600000, pubDateStr=2021-11-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793343797029, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793343797029, creator=13701087609, updateTime=1793343797029, 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=2313, endPage=2321, ext={EN=ArticleExt(id=1322943028486353858, articleId=1322943028259861440, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Effects of Steel Fibre Content and 3D Network on Performance of Ultra-High Performance Concrete, columnId=1322943028415050689, journalTitle=Journal of the Chinese Ceramic Society, columnName=Special Issue on Ultra-HiHh HerHorHance Concrete Ⅱ, runingTitle=null, highlight=null, articleAbstract=

To improve the application efficiency of steel fibres and the properties of ultra-high performance concrete (UHPC) composites, the formation and optimization of fibres content and its 3D network in UHPC matrix were investigated. A basic UHPC mixture was designed using a modified Andreasen & Andersen (MAA) particle packing model. The formation of fibres network and the effect of steel fibres on the UHPC properties were analyzed. The experimental results reveal that casting at one side of the mould benefits the orientation of steel fibres, and a higher steel fibres content results in more disordered orientation of steel fibres and increases the possibility of fibres connection, which is not conductive to the development of particle packing structure and workability of UHPC. The addition of steel fibres contributes to the development of UHPC mechanical properties, but the excessive addition of steel fibres will cause the reduction of the fibre application efficiency. The use of steel fibres has both positive and negative effects on the UHPC properties, thus there is a need for the optimization of steel fibre 3D network to improve the fibre application efficiency and obtain expected UHPC products.

, authors=Rui YU1, Dingqiang FAN1, 2, Meijuan SUN1, 2, Jingjing ZHANG1, 2, Zhonghe SHUI1, Dongshuai HOU3, Xingpeng WANG3, Yuan FENG1, authorsList=Rui YU, Dingqiang FAN, Meijuan SUN, Jingjing ZHANG, Zhonghe SHUI, Dongshuai HOU, Xingpeng WANG, Yuan FENG, authorCompany=null, correspAuthors=null, authorNote=

YU Rui (1986-), male, Ph. D., Professor. E-mail:

, 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=1322943028708651971, articleId=1322943028259861440, tenantId=1146029695717560320, journalId=1263187385517883426, language=CN, title=钢纤维掺量及其3D空间结构对超高性能混凝土性能的影响, columnId=1322636275924979909, journalTitle=硅酸盐学报, columnName=超高性能混凝土专题Ⅱ, runingTitle=null, highlight=null, articleAbstract=

为了提高钢纤维的使用效率以及实现超高性能混凝土(UHPC)的性能调控,开展了钢纤维掺量及其形成的3D空间网络结构对UHPC的性能影响研究。采用改良的Andreasen和Andersen(MAA)颗粒堆积模型设计了UHPC基础配合比,提出了优化纤维取向的浇筑方式,之剖析了钢纤维3D空间网络结构的形成,并研究了钢纤维掺量及其3D空间结构对UHPC性能的影响。结果表明:采用单侧浇筑方式可优化UHPC钢纤维空间取向与分布;钢纤维掺量越高,纤维取向更加无序化且搭接概率越大,这导致了UHPC堆积结构的破坏和工作性能的下降;钢纤维的掺入可显著提高UHPC的力学性能,但掺量过高时,愈加紊乱的网络结构会导致增强效率的下降。钢纤维对UHPC的性能影响具有双面性,合理地优化与调控UHPC钢纤维掺量及其形成的3D空间网络结构,可有效提高钢纤维使用效率以及实现UHPC性能的提升。

, authors=余睿1, 范定强1, 2, 孙美娟1, 2, 张晶晶1, 2, 水中和1, 候东帅3, 王鑫鹏3, 冯元1, authorsList=余睿, 范定强, 孙美娟, 张晶晶, 水中和, 候东帅, 王鑫鹏, 冯元, authorCompany=null, correspAuthors=null, authorNote=

余睿(1986—),博士,研究员。

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钢纤维掺量及其3D空间结构对超高性能混凝土性能的影响
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余睿 1 , 范定强 1, 2 , 孙美娟 1, 2 , 张晶晶 1, 2 , 水中和 1 , 候东帅 3 , 王鑫鹏 3 , 冯元 1
硅酸盐学报 | 超高性能混凝土专题Ⅱ 2021,49(11): 2313-2321
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硅酸盐学报 |超高性能混凝土专题Ⅱ 2021 , 49 (11) : 2313 -2321
钢纤维掺量及其3D空间结构对超高性能混凝土性能的影响
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余睿1 , 范定强1, 2, 孙美娟1, 2, 张晶晶1, 2, 水中和1, 候东帅3, 王鑫鹏3, 冯元1
作者信息
  • 1.硅酸盐建筑材料国家重点实验室,武汉 430070
  • 2.武汉理工大学材料科学与工程学院,武汉 430070
  • 3.青岛理工大学土木工程学院,山东 青岛 266033
作者简介:

余睿(1986—),博士,研究员。

Effects of Steel Fibre Content and 3D Network on Performance of Ultra-High Performance Concrete
Rui YU1 , Dingqiang FAN1, 2, Meijuan SUN1, 2, Jingjing ZHANG1, 2, Zhonghe SHUI1, Dongshuai HOU3, Xingpeng WANG3, Yuan FENG1
Affiliations
  • 1.State Key Laboratory of Silicate Materials for Architectures, Wuhan 430070, China
  • 2.School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China
  • 3.School of Civil Engineering, Qingdao University of Technology, Qingdao 430070, Shandong, China
  • YU Rui (1986-), male, Ph. D., Professor. E-mail:

出版时间: 2021-11-20 doi: 10.14062/j.issn.0454-5648.20210310
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为了提高钢纤维的使用效率以及实现超高性能混凝土(UHPC)的性能调控,开展了钢纤维掺量及其形成的3D空间网络结构对UHPC的性能影响研究。采用改良的Andreasen和Andersen(MAA)颗粒堆积模型设计了UHPC基础配合比,提出了优化纤维取向的浇筑方式,之剖析了钢纤维3D空间网络结构的形成,并研究了钢纤维掺量及其3D空间结构对UHPC性能的影响。结果表明:采用单侧浇筑方式可优化UHPC钢纤维空间取向与分布;钢纤维掺量越高,纤维取向更加无序化且搭接概率越大,这导致了UHPC堆积结构的破坏和工作性能的下降;钢纤维的掺入可显著提高UHPC的力学性能,但掺量过高时,愈加紊乱的网络结构会导致增强效率的下降。钢纤维对UHPC的性能影响具有双面性,合理地优化与调控UHPC钢纤维掺量及其形成的3D空间网络结构,可有效提高钢纤维使用效率以及实现UHPC性能的提升。

超高性能混凝土  /  钢纤维掺量  /  钢纤维网络结构  /  性能评估

To improve the application efficiency of steel fibres and the properties of ultra-high performance concrete (UHPC) composites, the formation and optimization of fibres content and its 3D network in UHPC matrix were investigated. A basic UHPC mixture was designed using a modified Andreasen & Andersen (MAA) particle packing model. The formation of fibres network and the effect of steel fibres on the UHPC properties were analyzed. The experimental results reveal that casting at one side of the mould benefits the orientation of steel fibres, and a higher steel fibres content results in more disordered orientation of steel fibres and increases the possibility of fibres connection, which is not conductive to the development of particle packing structure and workability of UHPC. The addition of steel fibres contributes to the development of UHPC mechanical properties, but the excessive addition of steel fibres will cause the reduction of the fibre application efficiency. The use of steel fibres has both positive and negative effects on the UHPC properties, thus there is a need for the optimization of steel fibre 3D network to improve the fibre application efficiency and obtain expected UHPC products.

ultra-high performance concrete  /  steel fibre content  /  steel fibres network  /  performance evaluation
余睿, 范定强, 孙美娟, 张晶晶, 水中和, 候东帅, 王鑫鹏, 冯元. 钢纤维掺量及其3D空间结构对超高性能混凝土性能的影响. 硅酸盐学报, 2021 , 49 (11) : 2313 -2321 . DOI: 10.14062/j.issn.0454-5648.20210310
Rui YU, Dingqiang FAN, Meijuan SUN, Jingjing ZHANG, Zhonghe SHUI, Dongshuai HOU, Xingpeng WANG, Yuan FENG. Effects of Steel Fibre Content and 3D Network on Performance of Ultra-High Performance Concrete[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (11) : 2313 -2321 . DOI: 10.14062/j.issn.0454-5648.20210310
  • 国家自然科学基金项目(U2006224; 52008220)
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2021年第49卷第11期
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doi: 10.14062/j.issn.0454-5648.20210310
  • 接收时间:2021-04-25
  • 首发时间:2026-10-30
  • 出版时间:2021-11-20
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  • 收稿日期:2021-04-25
  • 修回日期:2021-05-30
基金
国家自然科学基金项目(U2006224; 52008220)
作者信息
    1.硅酸盐建筑材料国家重点实验室,武汉 430070
    2.武汉理工大学材料科学与工程学院,武汉 430070
    3.青岛理工大学土木工程学院,山东 青岛 266033
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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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