Article(id=1322943033615986688, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322943027827848128, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20210362, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1620230400000, receivedDateStr=2021-05-06, revisedDate=1626278400000, revisedDateStr=2021-07-15, acceptedDate=null, acceptedDateStr=null, onlineDate=1793343798306, onlineDateStr=2026-10-30, pubDate=1637337600000, pubDateStr=2021-11-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793343798306, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793343798306, creator=13701087609, updateTime=1793343798306, 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=2346, endPage=2354, ext={EN=ArticleExt(id=1322943033817313281, articleId=1322943033615986688, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Strain-Hardening Mechanism of Ultra-High Performance Concrete Based on Polyethylene Fiber Surface Modification, columnId=1322943028415050689, journalTitle=Journal of the Chinese Ceramic Society, columnName=Special Issue on Ultra-HiHh HerHorHance Concrete Ⅱ, runingTitle=null, highlight=null, articleAbstract=

Strain-hardening and cracking behavior of UHPC incorporating hydrophobic polyethylene (PE) fibers modified at different concentrations of silane coupling agent (SCA) solution were investigated. The results indicate that for UHPC with a low water binder ratio (0.18), the fiber modified with 3% SCA solution has a better strain-hardening behavior and a more significant multi-cracking behavior. The mechanism for the effect of the surface modification of PE fibers on the strain-hardening of UHPC is due to an effective chemical bonding between the functional groups of SCA attached on the surface of PE fibers and matrix, in which the free hydroxyl group condenses with C-S-H, and the hydroxyl group forms a complexation bond with Ca2+ in Ca(OH)2.

, authors=Gui ZHANG1, Gaifei PENG1, Zehao LEI1, 2, Xujing NIU3, Hong DING4, Yuheng JIANG5, 6, Yuchun FAN4, authorsList=Gui ZHANG, Gaifei PENG, Zehao LEI, Xujing NIU, Hong DING, Yuheng JIANG, Yuchun FAN, authorCompany=null, correspAuthors=Gaifei PENG, authorNote=

ZHANG Gui (1991-), male, Doctoral candidate. E-mail:

, correspAuthorsNote=
PENG Gaifei (1966-), male, Ph. D., 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=1322943034102525954, articleId=1322943033615986688, tenantId=1146029695717560320, journalId=1263187385517883426, language=CN, title=基于聚乙烯纤维表面改性的超高性能混凝土应变硬化机理, columnId=1322636275924979909, journalTitle=硅酸盐学报, columnName=超高性能混凝土专题Ⅱ, runingTitle=null, highlight=null, articleAbstract=

采用不同浓度硅烷偶联剂(SCA)溶液对憎水的聚乙烯纤维(PE纤维)进行表面改性处理,用表面改性后的PE纤维制备超高性能混凝土(UHPC),测定其直拉应变硬化与开裂行为。结果表明:对于低水胶比(0.18) UHPC,掺有3%浓度SCA溶液改性PE纤维得到了较好的应变硬化效果,多缝开裂效果更为显著。改性PE纤维影响UHPC应变硬化的机理是,附着在PE纤维表面的硅烷偶联剂官能团与基体之间建立较强的化学粘结力,其中的自由羟基(—OH)与基体中水化产物C-S-H发生缩合反应,羟基(—OH)与Ca(OH)2中的Ca2+之间发生配位化合作用。

, authors=张贵1, 朋改非1, 类泽灏1, 2, 牛旭婧3, 丁宏4, 蒋雨恒5, 6, 范玉春4, authorsList=张贵, 朋改非, 类泽灏, 牛旭婧, 丁宏, 蒋雨恒, 范玉春, authorCompany=null, correspAuthors=朋改非, authorNote=

张贵(1991—),男,博士研究生。

, correspAuthorsNote=
朋改非(1966—),男,博士,教授。
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基于聚乙烯纤维表面改性的超高性能混凝土应变硬化机理
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张贵 1 , 朋改非 1 , 类泽灏 1, 2 , 牛旭婧 3 , 丁宏 4 , 蒋雨恒 5, 6 , 范玉春 4
硅酸盐学报 | 超高性能混凝土专题Ⅱ 2021,49(11): 2346-2354
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硅酸盐学报 |超高性能混凝土专题Ⅱ 2021 , 49 (11) : 2346 -2354
基于聚乙烯纤维表面改性的超高性能混凝土应变硬化机理
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张贵1 , 朋改非1 , 类泽灏1, 2, 牛旭婧3, 丁宏4, 蒋雨恒5, 6, 范玉春4
作者信息
  • 1.北京交通大学土木建筑工程学院,中国 北京 100044
  • 2.都柏林大学圣三一学院,土木工程系,爱尔兰 都柏林 D02 PN40
  • 3.中国矿业大学(北京)力学与建筑工程学院,中国 北京 100083
  • 4.北京建工新型建材有限责任公司,中国 北京 100015
  • 5.中国科学院大学国家纳米科学中心,中国科学院纳米科学卓越创新中心,中国科学院纳米系统与多级次制造重点实验室,中国 北京 100190
  • 6.北京大学纳米化学研究中心,中国 北京 100871
通讯作者:
朋改非(1966—),男,博士,教授。
作者简介:

张贵(1991—),男,博士研究生。

Strain-Hardening Mechanism of Ultra-High Performance Concrete Based on Polyethylene Fiber Surface Modification
Gui ZHANG1 , Gaifei PENG1 , Zehao LEI1, 2, Xujing NIU3, Hong DING4, Yuheng JIANG5, 6, Yuchun FAN4
Affiliations
  • 1.Faculty of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China
  • 2.Department of Civil Engineering, Trinity College Dublin, The University of Dublin, Dublin D02 PN40, Ireland
  • 3.School of Mechanics and Civil Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China
  • 4.Beijing Construction Engineering Group, Advanced Construction Materials Limited Liability Company, Beijing 100015, China
  • 5.Chinese Academy of Science Key Laboratory of Nanosystem and Hierarchy Fabrication, Chinese Academy of Science Center for Excellence in Nanoscience, National Center for Nanoscience and Technology and University of Chinese Academy of Sciences, Beijing 100190, China
  • 6.Center for Nanochemistry, Peking University, Beijing 100871, China
  • Corresponding Author:
    PENG Gaifei (1966-), male, Ph. D., Professor. E-mail:

    ZHANG Gui (1991-), male, Doctoral candidate. E-mail:

出版时间: 2021-11-20 doi: 10.14062/j.issn.0454-5648.20210362
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采用不同浓度硅烷偶联剂(SCA)溶液对憎水的聚乙烯纤维(PE纤维)进行表面改性处理,用表面改性后的PE纤维制备超高性能混凝土(UHPC),测定其直拉应变硬化与开裂行为。结果表明:对于低水胶比(0.18) UHPC,掺有3%浓度SCA溶液改性PE纤维得到了较好的应变硬化效果,多缝开裂效果更为显著。改性PE纤维影响UHPC应变硬化的机理是,附着在PE纤维表面的硅烷偶联剂官能团与基体之间建立较强的化学粘结力,其中的自由羟基(—OH)与基体中水化产物C-S-H发生缩合反应,羟基(—OH)与Ca(OH)2中的Ca2+之间发生配位化合作用。

超高性能混凝土  /  应变硬化  /  聚乙烯纤维  /  表面改性  /  机理

Strain-hardening and cracking behavior of UHPC incorporating hydrophobic polyethylene (PE) fibers modified at different concentrations of silane coupling agent (SCA) solution were investigated. The results indicate that for UHPC with a low water binder ratio (0.18), the fiber modified with 3% SCA solution has a better strain-hardening behavior and a more significant multi-cracking behavior. The mechanism for the effect of the surface modification of PE fibers on the strain-hardening of UHPC is due to an effective chemical bonding between the functional groups of SCA attached on the surface of PE fibers and matrix, in which the free hydroxyl group condenses with C-S-H, and the hydroxyl group forms a complexation bond with Ca2+ in Ca(OH)2.

ultra-high performance concrete  /  strain-hardening  /  polyethylene fiber  /  surface modification  /  mechanism
张贵, 朋改非, 类泽灏, 牛旭婧, 丁宏, 蒋雨恒, 范玉春. 基于聚乙烯纤维表面改性的超高性能混凝土应变硬化机理. 硅酸盐学报, 2021 , 49 (11) : 2346 -2354 . DOI: 10.14062/j.issn.0454-5648.20210362
Gui ZHANG, Gaifei PENG, Zehao LEI, Xujing NIU, Hong DING, Yuheng JIANG, Yuchun FAN. Strain-Hardening Mechanism of Ultra-High Performance Concrete Based on Polyethylene Fiber Surface Modification[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (11) : 2346 -2354 . DOI: 10.14062/j.issn.0454-5648.20210362
  • 北京市自然科学基金项目(8212013; 8172036)
  • 国家自然科学基金项目(51878032)
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2021年第49卷第11期
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doi: 10.14062/j.issn.0454-5648.20210362
  • 接收时间:2021-05-06
  • 首发时间:2026-10-30
  • 出版时间:2021-11-20
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出版历史
  • 收稿日期:2021-05-06
  • 修回日期:2021-07-15
基金
北京市自然科学基金项目(8212013; 8172036)
国家自然科学基金项目(51878032)
作者信息
    1.北京交通大学土木建筑工程学院,中国 北京 100044
    2.都柏林大学圣三一学院,土木工程系,爱尔兰 都柏林 D02 PN40
    3.中国矿业大学(北京)力学与建筑工程学院,中国 北京 100083
    4.北京建工新型建材有限责任公司,中国 北京 100015
    5.中国科学院大学国家纳米科学中心,中国科学院纳米科学卓越创新中心,中国科学院纳米系统与多级次制造重点实验室,中国 北京 100190
    6.北京大学纳米化学研究中心,中国 北京 100871

通讯作者:

朋改非(1966—),男,博士,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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