Article(id=1322943181033185582, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942592224211277, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20200715, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1600358400000, receivedDateStr=2020-09-18, revisedDate=1604505600000, revisedDateStr=2020-11-05, acceptedDate=null, acceptedDateStr=null, onlineDate=1793343833454, onlineDateStr=2026-10-30, pubDate=1621440000000, pubDateStr=2021-05-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793343833454, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793343833454, creator=13701087609, updateTime=1793343833454, updator=13701087609, issue=Issue{id=1322942592224211277, tenantId=1146029695717560320, journalId=1263187385517883426, year='2021', volume='49', issue='5', pageStart='807', pageEnd='1032', issueExtLink='null', onlineDate='null', pubDate='1621440000000', pubDateStr='2021-05-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793343693071, creator='13701087609', updateTime=1793345545174, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322950360561754466, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942592224211277, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322950360565948771, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942592224211277, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=887, endPage=892, ext={EN=ArticleExt(id=1322943181511336239, articleId=1322943181033185582, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Strength characterization of hydrated cement paste at micro-scale, columnId=1319726165087077079, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Article, runingTitle=null, highlight=null, articleAbstract=

Micro-cubes of hardened cement paste with the lengths of 100 μm and 200 μm were prepared by micro-dicing and thin-sectioning techniques. The compressive strength and splitting strength of these specimens were measured by a nanoindenter equipped with different types of tips. Considering the heterogeneity nature of the material in a micro-scale, we examined 100 specimens via a statistic analysis. The results show that the two-parameter Weibull distribution can be used to represent the probability distribution of both compressive strength and splitting strength in a micro-scale. The specimens with a higher water-to-binder ratio have a higher strength and a lower variability. Furthermore, the specimen size has an influence on the measured strength. The bigger specimens have lower strength and variability. The reported average value and variability of strengths obtained in this work are greater than those of the concrete in a meso-scale, but lower than those of the hydration product in a nano-scale.

, authors=Zhi GE1, Nengdong JIANG1, Hongzhi ZHANG1, 2, Dongshuai HOU3, Erik SCHLANGEN4, Branko ŠAVIJA4, authorsList=Zhi GE, Nengdong JIANG, Hongzhi ZHANG, Dongshuai HOU, Erik SCHLANGEN, Branko ŠAVIJA, authorCompany=null, correspAuthors=Hongzhi ZHANG, authorNote=

GE Zhi (1977-), male, Ph.D., Professor. E-mail:

, correspAuthorsNote=
ZHANG Hongzhi (1990-), male, Ph.D., Researcher. 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=1322943181788160304, articleId=1322943181033185582, tenantId=1146029695717560320, journalId=1263187385517883426, language=CN, title=硬化水泥净浆微观强度测试与表征, columnId=1263922770220560512, journalTitle=硅酸盐学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=

采用精密切片及划片技术,制备边长分别为100 μm和200 μm的硬化水泥净浆微观立方体试件。采用纳米压痕仪,利用不同几何形状的压头,对制备的试件进行无侧限轴压及单边劈裂测试,在微观尺度上研究硬化水泥净浆的抗压和劈裂强度。为了表征硬化水泥净浆微观尺度的变异性,每组工况测试100个样品,建立数据库,进行统计分析。结果表明:硬化水泥净浆的微观强度概率分布可以用二参数Weibull分布函数进行表征;高水胶比的硬化水泥净浆的平均强度较低且变异性高;试件尺寸对测试结果具有显著影响,强度和变异性均随试件尺寸增大而降低。与已有研究结果对比,发现硬化水泥净浆的微观强度和离散性介于单一水化产物和混凝土之间。

, authors=葛智1, 姜能栋1, 张洪智1, 2, 侯东帅3, Erik Schlangen4, Branko Šavija4, authorsList=葛智, 姜能栋, 张洪智, 侯东帅, Erik Schlangen, Branko Šavija, authorCompany=null, correspAuthors=张洪智, authorNote=

葛智(1977—),男,博士,教授。

, correspAuthorsNote=
张洪智(1990—),男,博士,研究员。
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硬化水泥净浆微观强度测试与表征
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葛智 1 , 姜能栋 1 , 张洪智 1, 2 , 侯东帅 3 , Erik Schlangen 4 , Branko Šavija 4
硅酸盐学报 | 研究论文 2021,49(5): 887-892
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硅酸盐学报 |研究论文 2021 , 49 (5) : 887 -892
硬化水泥净浆微观强度测试与表征
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葛智(1977—),男,博士,教授。

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葛智1 , 姜能栋1, 张洪智1, 2 , 侯东帅3, Erik Schlangen4, Branko Šavija4
作者信息
  • 1.山东大学齐鲁交通学院,济南 250100
  • 2.山东大学苏州研究院,江苏 苏州 215021
  • 3.青岛理工大学土木工程学院,山东 青岛 266033
  • 4.代尔夫特理工大学土木工程与地球科学学院,荷兰 代尔夫特市 2628 CN
通讯作者:
张洪智(1990—),男,博士,研究员。
作者简介:

葛智(1977—),男,博士,教授。

Strength characterization of hydrated cement paste at micro-scale
Zhi GE1 , Nengdong JIANG1, Hongzhi ZHANG1, 2 , Dongshuai HOU3, Erik SCHLANGEN4, Branko ŠAVIJA4
Affiliations
  • 1.School of Qilu Transportation, Shandong University, Ji'nan 250100, China
  • 2.Suzhou Research Institute, Shandong University, Suzhou 215021, Jiangsu, China
  • 3.School of Civil Engineering, Qingdao University of Technology, Qingdao 266033, Shandong, China
  • 4.Faculty of Civil Engineering and Geosciences, Delft University of Technology, 2628 CN, Delft, the Netherlands
  • Corresponding Author:
    ZHANG Hongzhi (1990-), male, Ph.D., Researcher. E-mail:

    GE Zhi (1977-), male, Ph.D., Professor. E-mail:

出版时间: 2021-05-20 doi: 10.14062/j.issn.0454-5648.20200715
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采用精密切片及划片技术,制备边长分别为100 μm和200 μm的硬化水泥净浆微观立方体试件。采用纳米压痕仪,利用不同几何形状的压头,对制备的试件进行无侧限轴压及单边劈裂测试,在微观尺度上研究硬化水泥净浆的抗压和劈裂强度。为了表征硬化水泥净浆微观尺度的变异性,每组工况测试100个样品,建立数据库,进行统计分析。结果表明:硬化水泥净浆的微观强度概率分布可以用二参数Weibull分布函数进行表征;高水胶比的硬化水泥净浆的平均强度较低且变异性高;试件尺寸对测试结果具有显著影响,强度和变异性均随试件尺寸增大而降低。与已有研究结果对比,发现硬化水泥净浆的微观强度和离散性介于单一水化产物和混凝土之间。

硬化水泥净浆  /  单边劈裂强度  /  无侧限抗压强度  /  Weibull分布  /  微观尺度

Micro-cubes of hardened cement paste with the lengths of 100 μm and 200 μm were prepared by micro-dicing and thin-sectioning techniques. The compressive strength and splitting strength of these specimens were measured by a nanoindenter equipped with different types of tips. Considering the heterogeneity nature of the material in a micro-scale, we examined 100 specimens via a statistic analysis. The results show that the two-parameter Weibull distribution can be used to represent the probability distribution of both compressive strength and splitting strength in a micro-scale. The specimens with a higher water-to-binder ratio have a higher strength and a lower variability. Furthermore, the specimen size has an influence on the measured strength. The bigger specimens have lower strength and variability. The reported average value and variability of strengths obtained in this work are greater than those of the concrete in a meso-scale, but lower than those of the hydration product in a nano-scale.

hydrated cement paste  /  one-sided splitting strength  /  uniaxial compressive strength  /  Weibull distribution  /  micro-scale
葛智, 姜能栋, 张洪智, 侯东帅, Erik Schlangen, Branko Šavija. 硬化水泥净浆微观强度测试与表征. 硅酸盐学报, 2021 , 49 (5) : 887 -892 . DOI: 10.14062/j.issn.0454-5648.20200715
Zhi GE, Nengdong JIANG, Hongzhi ZHANG, Dongshuai HOU, Erik SCHLANGEN, Branko ŠAVIJA. Strength characterization of hydrated cement paste at micro-scale[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (5) : 887 -892 . DOI: 10.14062/j.issn.0454-5648.20200715
  • 山东省泰山学者青年计划(tsqn201909032)
  • 国家自然科学基金项目(52008234; 51478252; 51978387)
  • 江苏省自然科学基金项目(BK20200235)
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2021年第49卷第5期
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doi: 10.14062/j.issn.0454-5648.20200715
  • 接收时间:2020-09-18
  • 首发时间:2026-10-30
  • 出版时间:2021-05-20
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  • 收稿日期:2020-09-18
  • 修回日期:2020-11-05
基金
山东省泰山学者青年计划(tsqn201909032)
国家自然科学基金项目(52008234; 51478252; 51978387)
江苏省自然科学基金项目(BK20200235)
作者信息
    1.山东大学齐鲁交通学院,济南 250100
    2.山东大学苏州研究院,江苏 苏州 215021
    3.青岛理工大学土木工程学院,山东 青岛 266033
    4.代尔夫特理工大学土木工程与地球科学学院,荷兰 代尔夫特市 2628 CN

通讯作者:

张洪智(1990—),男,博士,研究员。
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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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