Article(id=1322636159440764987, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322636152813768892, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20200196, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1585065600000, receivedDateStr=2020-03-25, revisedDate=1589040000000, revisedDateStr=2020-05-10, acceptedDate=null, acceptedDateStr=null, onlineDate=1793270633802, onlineDateStr=2026-10-29, pubDate=1597852800000, pubDateStr=2020-08-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793270633802, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793270633802, creator=13701087609, updateTime=1793270633802, updator=13701087609, issue=Issue{id=1322636152813768892, tenantId=1146029695717560320, journalId=1263187385517883426, year='2020', volume='48', issue='8', pageStart='1145', pageEnd='1352', issueExtLink='null', onlineDate='null', pubDate='1597852800000', pubDateStr='2020-08-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793270632222, creator='13701087609', updateTime=1793277122165, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322663373687337109, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322636152813768892, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322663373687337110, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322636152813768892, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1201, endPage=1211, ext={EN=ArticleExt(id=1322636159646285884, articleId=1322636159440764987, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Compressive Constitutive Model of Ultra-high Performance Concrete Confined by Steel Tube, columnId=1322636153396777149, journalTitle=Journal of the Chinese Ceramic Society, columnName=Special Issue for Ultra-high Performance ConcreteⅠ, runingTitle=null, highlight=null, articleAbstract=

To investigate the constitutive model of ultra-high performance concrete confined by steel tube, axial compressive experiments were conducted on 42 confined UHPC and 3 unconfined UHPC specimens. Failure modes and stress-strain curves were obtained. Effects of steel fiber volume fraction and aspect ratio, polypropylene fiber volume fraction and aspect ratio and steel tube thickness on the stress-strain curves were analyzed. The results show that steel tube thickness is a main affecting factor. The peak stress and corresponding strain increase with the increase in the thickness. Fibers are beneficial to the improvement in the peak stress and strain. Steel fiber volume fraction has an obvious effect on the peak stress and strain. At a proper volume fraction of polypropylene fiber, the peak stress increases and the peak strain first decreases and then increases with increasing steel fiber volume fraction. In addition, the corresponding constitutive models were also proposed based on the typical stress-strain curves of confined UHPC.

, authors=Qiuru LU, Lihua XU, Yin CHI, Min YU, Yingxin YANG, authorsList=Qiuru LU, Lihua XU, Yin CHI, Min YU, Yingxin YANG, authorCompany=null, correspAuthors=Lihua XU, authorNote=

LU Qiuru (1993-), female, Doctorial candidate. E-mail:

, correspAuthorsNote=
XU Lihua (1962-), female, Professor. E-mail:
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为了研究钢管约束超高性能混凝土(UHPC)本构模型,对42根约束UHPC试件和3根无约束UHPC试件进行了轴心受压试验,考察了UHPC受约束后的破坏形态和应力-应变全曲线,分析了钢纤维掺量与长径比、聚丙烯纤维掺量与长径比以及钢管厚度对应力-应变全曲线的影响规律。结果表明:钢管厚度为主要影响因素,可显著提高UHPC峰值应力与应变;混杂纤维能提高约束UHPC峰值应力与应变,其中,钢纤维掺量的影响较为明显,在聚丙烯纤维掺量适宜时,随钢纤维掺量增加,约束UHPC峰值应力增加,峰值应变先减小后增加。基于实测的约束UHPC应力-应变典型曲线,建立了相应的本构模型。

, authors=卢秋如, 徐礼华, 池寅, 余敏, 杨英欣, authorsList=卢秋如, 徐礼华, 池寅, 余敏, 杨英欣, authorCompany=null, correspAuthors=徐礼华, authorNote=

卢秋如(1993—),女,博士研究生。

, correspAuthorsNote=
徐礼华(1962—),女,教授。
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LU Qiuru (1993-), female, Doctorial candidate. E-mail:

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卢秋如(1993—),女,博士研究生。

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钢管约束超高性能混凝土受压本构模型
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卢秋如 , 徐礼华 , 池寅 , 余敏 , 杨英欣
硅酸盐学报 | 超高性能混凝土专题 2020,48(8): 1201-1211
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硅酸盐学报 |超高性能混凝土专题 2020 , 48 (8) : 1201 -1211
钢管约束超高性能混凝土受压本构模型
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卢秋如 , 徐礼华 , 池寅, 余敏, 杨英欣
作者信息
  • 武汉大学土木建筑工程学院,武汉 430070
通讯作者:
徐礼华(1962—),女,教授。
作者简介:

卢秋如(1993—),女,博士研究生。

Compressive Constitutive Model of Ultra-high Performance Concrete Confined by Steel Tube
Qiuru LU , Lihua XU , Yin CHI, Min YU, Yingxin YANG
Affiliations
  • School of Civil Engineering, Wuhan University, Wuhan 430070, China
  • Corresponding Author:
    XU Lihua (1962-), female, Professor. E-mail:

    LU Qiuru (1993-), female, Doctorial candidate. E-mail:

出版时间: 2020-08-20 doi: 10.14062/j.issn.0454-5648.20200196
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为了研究钢管约束超高性能混凝土(UHPC)本构模型,对42根约束UHPC试件和3根无约束UHPC试件进行了轴心受压试验,考察了UHPC受约束后的破坏形态和应力-应变全曲线,分析了钢纤维掺量与长径比、聚丙烯纤维掺量与长径比以及钢管厚度对应力-应变全曲线的影响规律。结果表明:钢管厚度为主要影响因素,可显著提高UHPC峰值应力与应变;混杂纤维能提高约束UHPC峰值应力与应变,其中,钢纤维掺量的影响较为明显,在聚丙烯纤维掺量适宜时,随钢纤维掺量增加,约束UHPC峰值应力增加,峰值应变先减小后增加。基于实测的约束UHPC应力-应变典型曲线,建立了相应的本构模型。

超高性能混凝土  /  约束  /  钢管  /  纤维  /  本构模型

To investigate the constitutive model of ultra-high performance concrete confined by steel tube, axial compressive experiments were conducted on 42 confined UHPC and 3 unconfined UHPC specimens. Failure modes and stress-strain curves were obtained. Effects of steel fiber volume fraction and aspect ratio, polypropylene fiber volume fraction and aspect ratio and steel tube thickness on the stress-strain curves were analyzed. The results show that steel tube thickness is a main affecting factor. The peak stress and corresponding strain increase with the increase in the thickness. Fibers are beneficial to the improvement in the peak stress and strain. Steel fiber volume fraction has an obvious effect on the peak stress and strain. At a proper volume fraction of polypropylene fiber, the peak stress increases and the peak strain first decreases and then increases with increasing steel fiber volume fraction. In addition, the corresponding constitutive models were also proposed based on the typical stress-strain curves of confined UHPC.

ultra-high performance concrete  /  confinement  /  steel tube  /  fiber  /  constitutive model
卢秋如, 徐礼华, 池寅, 余敏, 杨英欣. 钢管约束超高性能混凝土受压本构模型. 硅酸盐学报, 2020 , 48 (8) : 1201 -1211 . DOI: 10.14062/j.issn.0454-5648.20200196
Qiuru LU, Lihua XU, Yin CHI, Min YU, Yingxin YANG. Compressive Constitutive Model of Ultra-high Performance Concrete Confined by Steel Tube[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (8) : 1201 -1211 . DOI: 10.14062/j.issn.0454-5648.20200196
  • 国家自然科学基金(51738011)
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2020年第48卷第8期
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doi: 10.14062/j.issn.0454-5648.20200196
  • 接收时间:2020-03-25
  • 首发时间:2026-10-29
  • 出版时间:2020-08-20
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  • 收稿日期:2020-03-25
  • 修回日期:2020-05-10
基金
国家自然科学基金(51738011)
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    武汉大学土木建筑工程学院,武汉 430070

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徐礼华(1962—),女,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
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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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