Article(id=1319236916055225108, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319236892848148894, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20220254, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1649174400000, receivedDateStr=2022-04-06, revisedDate=1651248000000, revisedDateStr=2022-04-30, acceptedDate=null, acceptedDateStr=null, onlineDate=1792460191023, onlineDateStr=2026-10-20, pubDate=1668873600000, pubDateStr=2022-11-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792460191023, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792460191023, creator=13701087609, updateTime=1792460191023, updator=13701087609, issue=Issue{id=1319236892848148894, tenantId=1146029695717560320, journalId=1263187385517883426, year='2022', volume='50', issue='11', pageStart='2809', pageEnd='3090', issueExtLink='null', onlineDate='null', pubDate='1668873600000', pubDateStr='2022-11-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792460185491, creator='13701087609', updateTime=1792460700564, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319239053275411177, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319236892848148894, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319239053275411178, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319236892848148894, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=2844, endPage=2854, ext={EN=ArticleExt(id=1319236916348826389, articleId=1319236916055225108, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Rheological Properties and Stability of Ultra-High Performance Concrete Containing Coarse Aggregate, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

In order to improve the rheology and stability of ultra-high performance concrete containing coarse aggregate (CA-UHPC), the effects of silica fume, coarse aggregate, and steel fiber contents on the rheological properties of CA-UHPC were investigated, and the relationship among the rheological parameters, fiber, and coarse aggregate distribution was established. The results show that CA-UHPC usually exhibits a shear-thinning behavior. The modified Bingham model has more accurate fitting results of rheological parameters, and the fluidity required for the rheological properties test can be controlled at 450-690 mm. Increasing the silica fume content increases the yield stress, decreases the viscosity, and weakens the shear-thinning behavior. Increasing the coarse aggregate content firstly decreases and then increases the yield stress and viscosity, and intensifies the shear-thinning behavior. And increasing the steel fiber content increases the yield stress and viscosity, and intensifies the shear-thinning behavior. The number of steel fiber decreases from the top to the bottom of samples, while the proportion of coarse aggregate increases. The uniform dispersion degree of coarse aggregate increases with the increase of coarse aggregate content, but steel fibers deteriorate the uniform dispersion degree of coarse aggregate. The uniform distribution degree of steel fiber and coarse aggregate firstly increases and then decreases with the increase of steel fibers content.

, authors=Xiaobo ZHENG1, 2, Fangyu HAN3, Jianzhong LIU1, 2, Jiaping LIU3, Jianfang SHA1, 2, Wei LIN1, 2, authorsList=Xiaobo ZHENG, Fangyu HAN, Jianzhong LIU, Jiaping LIU, Jianfang SHA, Wei LIN, authorCompany=null, correspAuthors=Fangyu HAN, authorNote=

ZHENG Xiaobo (1994-), male, Master, Engineer. E-mail:

, correspAuthorsNote=
HAN Fangyu (1988-), male, Ph.D., Engineer. 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=1319236916734702358, articleId=1319236916055225108, tenantId=1146029695717560320, journalId=1263187385517883426, language=CN, title=粗骨料超高性能混凝土流变与稳定性, columnId=1263922770220560512, journalTitle=硅酸盐学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=

为提升粗骨料超高性能混凝土(CA-UHPC)的流变与物相稳定性能,研究了硅灰、粗骨料和纤维用量对CA-UHPC流变性能的影响规律;建立了流变参数、纤维、骨料分布间的关系。结果表明:CA-UHPC呈剪切变稀行为,Modified bingham模型具有更准确的流变参数拟合结果,测试流动度宜控制在450~690 mm。增加硅灰用量,屈服应力增大而黏度减小,剪切变稀现象弱化;增加粗骨料用量,屈服应力和黏度先降低后增加,剪切变稀现象加剧;增加钢纤维掺量,屈服应力和黏度均增加,并加剧了剪切变稀现象。硬化后试件从上至下,纤维分布减少,而骨料分布增多。粗骨料的整体均匀分散程度随骨料用量的增加而提升,但纤维会劣化粗骨料的均匀分散程度,且随纤维掺量增加,纤维和粗骨料均匀分布程度先升高后降低。

, authors=郑晓博1, 2, 韩方玉3, 刘建忠1, 2, 刘加平3, 沙建芳1, 2, 林玮1, 2, authorsList=郑晓博, 韩方玉, 刘建忠, 刘加平, 沙建芳, 林玮, authorCompany=null, correspAuthors=韩方玉, authorNote=

郑晓博(1994—),男,硕士,工程师。

, correspAuthorsNote=
韩方玉(1988—),男,博士,工程师。
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粗骨料超高性能混凝土流变与稳定性
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郑晓博 1, 2 , 韩方玉 3 , 刘建忠 1, 2 , 刘加平 3 , 沙建芳 1, 2 , 林玮 1, 2
硅酸盐学报 | 研究论文 2022,50(11): 2844-2854
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硅酸盐学报 |研究论文 2022 , 50 (11) : 2844 -2854
粗骨料超高性能混凝土流变与稳定性
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郑晓博1, 2 , 韩方玉3 , 刘建忠1, 2, 刘加平3, 沙建芳1, 2, 林玮1, 2
作者信息
  • 1.高性能土木工程材料国家重点实验室,南京 211103
  • 2.江苏苏博特新材料股份有限公司,南京 211103
  • 3.东南大学材料科学与工程学院,南京 211189
通讯作者:
韩方玉(1988—),男,博士,工程师。
作者简介:

郑晓博(1994—),男,硕士,工程师。

Rheological Properties and Stability of Ultra-High Performance Concrete Containing Coarse Aggregate
Xiaobo ZHENG1, 2 , Fangyu HAN3 , Jianzhong LIU1, 2, Jiaping LIU3, Jianfang SHA1, 2, Wei LIN1, 2
Affiliations
  • 1.State Key Laboratory of High Performance Civil Engineering Materials, Nanjing 211103, China
  • 2.Jiangsu Sobute New Materials Co., Ltd, Nanjing 211103, China
  • 3.School of Materials Science and Engineering, Southeast University, Nanjing 211189, China
  • Corresponding Author:
    HAN Fangyu (1988-), male, Ph.D., Engineer. E-mail:

    ZHENG Xiaobo (1994-), male, Master, Engineer. E-mail:

出版时间: 2022-11-20 doi: 10.14062/j.issn.0454-5648.20220254
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为提升粗骨料超高性能混凝土(CA-UHPC)的流变与物相稳定性能,研究了硅灰、粗骨料和纤维用量对CA-UHPC流变性能的影响规律;建立了流变参数、纤维、骨料分布间的关系。结果表明:CA-UHPC呈剪切变稀行为,Modified bingham模型具有更准确的流变参数拟合结果,测试流动度宜控制在450~690 mm。增加硅灰用量,屈服应力增大而黏度减小,剪切变稀现象弱化;增加粗骨料用量,屈服应力和黏度先降低后增加,剪切变稀现象加剧;增加钢纤维掺量,屈服应力和黏度均增加,并加剧了剪切变稀现象。硬化后试件从上至下,纤维分布减少,而骨料分布增多。粗骨料的整体均匀分散程度随骨料用量的增加而提升,但纤维会劣化粗骨料的均匀分散程度,且随纤维掺量增加,纤维和粗骨料均匀分布程度先升高后降低。

粗骨料超高性能混凝土  /  流变性能  /  粗骨料分布  /  钢纤维分布  /  稳定性

In order to improve the rheology and stability of ultra-high performance concrete containing coarse aggregate (CA-UHPC), the effects of silica fume, coarse aggregate, and steel fiber contents on the rheological properties of CA-UHPC were investigated, and the relationship among the rheological parameters, fiber, and coarse aggregate distribution was established. The results show that CA-UHPC usually exhibits a shear-thinning behavior. The modified Bingham model has more accurate fitting results of rheological parameters, and the fluidity required for the rheological properties test can be controlled at 450-690 mm. Increasing the silica fume content increases the yield stress, decreases the viscosity, and weakens the shear-thinning behavior. Increasing the coarse aggregate content firstly decreases and then increases the yield stress and viscosity, and intensifies the shear-thinning behavior. And increasing the steel fiber content increases the yield stress and viscosity, and intensifies the shear-thinning behavior. The number of steel fiber decreases from the top to the bottom of samples, while the proportion of coarse aggregate increases. The uniform dispersion degree of coarse aggregate increases with the increase of coarse aggregate content, but steel fibers deteriorate the uniform dispersion degree of coarse aggregate. The uniform distribution degree of steel fiber and coarse aggregate firstly increases and then decreases with the increase of steel fibers content.

ultra-high performance concrete containing coarse aggregate  /  rheological properties  /  coarse aggregate distribution  /  steel fiber distribution  /  stability
郑晓博, 韩方玉, 刘建忠, 刘加平, 沙建芳, 林玮. 粗骨料超高性能混凝土流变与稳定性. 硅酸盐学报, 2022 , 50 (11) : 2844 -2854 . DOI: 10.14062/j.issn.0454-5648.20220254
Xiaobo ZHENG, Fangyu HAN, Jianzhong LIU, Jiaping LIU, Jianfang SHA, Wei LIN. Rheological Properties and Stability of Ultra-High Performance Concrete Containing Coarse Aggregate[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (11) : 2844 -2854 . DOI: 10.14062/j.issn.0454-5648.20220254
  • 国家自然科学基金(51978318)
  • 国家自然科学基金青年基金(52008191)
  • 国家自然科学基金(51978246)
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文章信息
doi: 10.14062/j.issn.0454-5648.20220254
  • 接收时间:2022-04-06
  • 首发时间:2026-10-20
  • 出版时间:2022-11-20
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出版历史
  • 收稿日期:2022-04-06
  • 修回日期:2022-04-30
基金
国家自然科学基金(51978318)
国家自然科学基金青年基金(52008191)
国家自然科学基金(51978246)
作者信息
    1.高性能土木工程材料国家重点实验室,南京 211103
    2.江苏苏博特新材料股份有限公司,南京 211103
    3.东南大学材料科学与工程学院,南京 211189

通讯作者:

韩方玉(1988—),男,博士,工程师。
参考文献
分享链接
https://castjournals.cast.org.cn/joweb/gsyxb/CN/10.14062/j.issn.0454-5648.20220254
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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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