Article(id=1318979415741149639, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1318979383570837667, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20230217, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1680451200000, receivedDateStr=2023-04-03, revisedDate=1681401600000, revisedDateStr=2023-04-14, acceptedDate=null, acceptedDateStr=null, onlineDate=1792398798165, onlineDateStr=2026-10-19, pubDate=1700409600000, pubDateStr=2023-11-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792398798165, onlineIssueDateStr=2026-10-19, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792398798165, creator=13701087609, updateTime=1792398798165, updator=13701087609, issue=Issue{id=1318979383570837667, tenantId=1146029695717560320, journalId=1263187385517883426, year='2023', volume='51', issue='11', pageStart='2739', pageEnd='3038', issueExtLink='null', onlineDate='null', pubDate='1700409600000', pubDateStr='2023-11-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792398790495, creator='13701087609', updateTime=1792399377667, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1318981846411629158, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1318979383570837667, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1318981846411629159, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1318979383570837667, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=2914, endPage=2923, ext={EN=ArticleExt(id=1318979415967642056, articleId=1318979415741149639, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Rheology and Strength of Silane Modified Ultra-High Performance Concrete, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

To reduce the viscosity and promote the workability of ultra-high performance concrete (UHPC), this paper selected aminosilane (KH550) with a hydrophilic functional group as auxiliary admixtures for UHPC mixtures. The effects of the mixture ratio and dosage of hydrolyzed silane on the mechanical properties and rheology of UHPC were investigated. The silane modification mechanism of UHPC was discussed. The results show that KH550 is suitable for hydrolysis in the mixed solvent of anhydrous ethanol and deionized water (or tap water). The optimum hydrolysis ratio (mass ratio) is determined as m1 (KH550): m2 (deionized water or tap water): m3 (anhydrous ethanol)=1.0∶3.0∶(2.5-5.0). The hydrolysis process is carried out under stirring for 3 min and hydrolyzed for more than 2 h. The optimum silane content in UHPC (calculated according to a mass ratio with silica fume in UHPC) is 1%. The Bingham model can be used to describe the rheological behavior of fresh UHPC modified by hydrolyzed silane. The rheological properties of fresh UHPC modified by hydrolyzed silane are improved, but the effect on the mechanical properties is ignored.

, authors=Chuanxi LI1, 2, Shengjie WANG2, Yuhang XIA2, Huaiyu ZHANG3, Xiaoping LIAO3, Dacheng HUANG3, authorsList=Chuanxi LI, Shengjie WANG, Yuhang XIA, Huaiyu ZHANG, Xiaoping LIAO, Dacheng HUANG, authorCompany=null, correspAuthors=null, authorNote=

LI Chuanxi (1963-), male, Ph. D., Professor. E-mail:

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为了降低超高性能混凝土(UHPC)的黏度,提高其工作性能,借鉴表面化学的研究成果,选用具有亲水性官能团的氨基硅烷(KH550)作为UHPC混合料的辅助外加剂,在UHPC混合料组分或配合比不变条件下,研究了水解硅烷配合比和水解硅烷的掺量对UHPC力学性能和流变性能的影响,揭示了UHPC力学与流变性能的硅烷改性机制。结果表明:KH550适合在无水乙醇和去离子水(或自来水)的混合溶剂中水解,水解最佳的配合比(质量比)为m1(KH550)∶m2(去离子水或自来水)∶m3(无水乙醇)=1.0∶3.0∶(2.5~5.0),水解工艺为:三者混合后,用玻璃棒搅拌3 min,水解2 h以上;UHPC中的最佳硅烷掺量(按与UHPC中硅灰的质量比计)为1%;可以采用Bingham模型描述水解硅烷改性的UHPC的流变行为;基于水解硅烷改性的新拌UHPC流变性能大幅提升,但对力学性能的影响可忽略不计。

, authors=李传习1, 2, 王圣杰2, 夏雨航2, 张怀宇3, 廖小平3, 黄大成3, authorsList=李传习, 王圣杰, 夏雨航, 张怀宇, 廖小平, 黄大成, authorCompany=null, correspAuthors=null, authorNote=

李传习(1963—),男,博士,教授。

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硅烷改性超高性能混凝土的流变性和强度
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李传习 1, 2 , 王圣杰 2 , 夏雨航 2 , 张怀宇 3 , 廖小平 3 , 黄大成 3
硅酸盐学报 | 研究论文 2023,51(11): 2914-2923
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硅酸盐学报 |研究论文 2023 , 51 (11) : 2914 -2923
硅烷改性超高性能混凝土的流变性和强度
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李传习1, 2 , 王圣杰2, 夏雨航2, 张怀宇3, 廖小平3, 黄大成3
作者信息
  • 1.广西大学土木建筑工程学院,南宁 530004
  • 2.长沙理工大学土木工程学院,长沙 410114
  • 3.湖南省高速公路集团有限公司,长沙 410003
作者简介:

李传习(1963—),男,博士,教授。

Rheology and Strength of Silane Modified Ultra-High Performance Concrete
Chuanxi LI1, 2 , Shengjie WANG2, Yuhang XIA2, Huaiyu ZHANG3, Xiaoping LIAO3, Dacheng HUANG3
Affiliations
  • 1.College of Civil Engineering and Architecture, Guangxi University, Nanning 530004, China
  • 2.College of Civil Engineering, Changsha University of Science & Technology, Changsha 410114, China
  • 3.Hunan Expressway Group Co., Ltd, Changsha 410003, China
  • LI Chuanxi (1963-), male, Ph. D., Professor. E-mail:

出版时间: 2023-11-20 doi: 10.14062/j.issn.0454-5648.20230217
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为了降低超高性能混凝土(UHPC)的黏度,提高其工作性能,借鉴表面化学的研究成果,选用具有亲水性官能团的氨基硅烷(KH550)作为UHPC混合料的辅助外加剂,在UHPC混合料组分或配合比不变条件下,研究了水解硅烷配合比和水解硅烷的掺量对UHPC力学性能和流变性能的影响,揭示了UHPC力学与流变性能的硅烷改性机制。结果表明:KH550适合在无水乙醇和去离子水(或自来水)的混合溶剂中水解,水解最佳的配合比(质量比)为m1(KH550)∶m2(去离子水或自来水)∶m3(无水乙醇)=1.0∶3.0∶(2.5~5.0),水解工艺为:三者混合后,用玻璃棒搅拌3 min,水解2 h以上;UHPC中的最佳硅烷掺量(按与UHPC中硅灰的质量比计)为1%;可以采用Bingham模型描述水解硅烷改性的UHPC的流变行为;基于水解硅烷改性的新拌UHPC流变性能大幅提升,但对力学性能的影响可忽略不计。

超高性能混凝土  /  硅烷  /  水解配合比  /  流变性能  /  力学性能

To reduce the viscosity and promote the workability of ultra-high performance concrete (UHPC), this paper selected aminosilane (KH550) with a hydrophilic functional group as auxiliary admixtures for UHPC mixtures. The effects of the mixture ratio and dosage of hydrolyzed silane on the mechanical properties and rheology of UHPC were investigated. The silane modification mechanism of UHPC was discussed. The results show that KH550 is suitable for hydrolysis in the mixed solvent of anhydrous ethanol and deionized water (or tap water). The optimum hydrolysis ratio (mass ratio) is determined as m1 (KH550): m2 (deionized water or tap water): m3 (anhydrous ethanol)=1.0∶3.0∶(2.5-5.0). The hydrolysis process is carried out under stirring for 3 min and hydrolyzed for more than 2 h. The optimum silane content in UHPC (calculated according to a mass ratio with silica fume in UHPC) is 1%. The Bingham model can be used to describe the rheological behavior of fresh UHPC modified by hydrolyzed silane. The rheological properties of fresh UHPC modified by hydrolyzed silane are improved, but the effect on the mechanical properties is ignored.

ultra high performance concrete  /  silane  /  hydrolysis mix proportion  /  rheology  /  mechanical performance
李传习, 王圣杰, 夏雨航, 张怀宇, 廖小平, 黄大成. 硅烷改性超高性能混凝土的流变性和强度. 硅酸盐学报, 2023 , 51 (11) : 2914 -2923 . DOI: 10.14062/j.issn.0454-5648.20230217
Chuanxi LI, Shengjie WANG, Yuhang XIA, Huaiyu ZHANG, Xiaoping LIAO, Dacheng HUANG. Rheology and Strength of Silane Modified Ultra-High Performance Concrete[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (11) : 2914 -2923 . DOI: 10.14062/j.issn.0454-5648.20230217
  • 国家自然科学基金项目(52078059)
  • 湖南省研究生科研创新项目(QL20220196)
  • 湖南省交通科技项目(202016)
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2023年第51卷第11期
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doi: 10.14062/j.issn.0454-5648.20230217
  • 接收时间:2023-04-03
  • 首发时间:2026-10-19
  • 出版时间:2023-11-20
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  • 收稿日期:2023-04-03
  • 修回日期:2023-04-14
基金
国家自然科学基金项目(52078059)
湖南省研究生科研创新项目(QL20220196)
湖南省交通科技项目(202016)
作者信息
    1.广西大学土木建筑工程学院,南宁 530004
    2.长沙理工大学土木工程学院,长沙 410114
    3.湖南省高速公路集团有限公司,长沙 410003
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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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