Article(id=1322943152067321914, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942592224211277, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20200448, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1592668800000, receivedDateStr=2020-06-21, revisedDate=1596643200000, revisedDateStr=2020-08-06, acceptedDate=null, acceptedDateStr=null, onlineDate=1793343826548, onlineDateStr=2026-10-30, pubDate=1621440000000, pubDateStr=2021-05-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793343826548, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793343826548, creator=13701087609, updateTime=1793343826548, 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=955, endPage=963, ext={EN=ArticleExt(id=1322943153682128955, articleId=1322943152067321914, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Numerical Simulations of Hydration and Pores Characterization of Irregular Cement Particles, columnId=1319726165087077079, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Article, runingTitle=null, highlight=null, articleAbstract=

In order to describe and reconstruct the true irregular particle morphology of cement particles and clarify the hydration process, microstructure evolution and mechanical property development of cement-based materials, an irregular particle reconstruction method was proposed by a discrete method and a central growth model based on a cellular automata theory. A cement particle shape data-base was established. The irregular cement particles were introduced into the CEMHYD3D model, and an irregular basis hydration model was constructed. The effect of particle shape on the hydration process and pore characteristic parameters were analyzed. The reliability and accuracy of the hydration model after the introduction of irregular cement particles were verified. The total porosity and pore size range of the non-spherical-based model are smaller than those of the spherical-based model, while the specific surface area with various pores of the non-spherical-based model is greater than that of the spherical-base model.

, authors=Zhiyong LIU1, 2, Yunsheng ZHANG1, 2, Weiwei CHEN3, Cheng LIU1, Anqi TANG3, Deqing XIE1, authorsList=Zhiyong LIU, Yunsheng ZHANG, Weiwei CHEN, Cheng LIU, Anqi TANG, Deqing XIE, authorCompany=null, correspAuthors=null, authorNote=

LIU Zhiyong(1985-), male, Ph.D., Professor. E-mail:

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为了描述和重构水泥颗粒真实不规则的颗粒形态,更好地理解水泥基材料水化过程、微观结构演变和力学性能变化,基于离散方法和元胞自动机理论的中心生长模型开发了一种不规则颗粒重构方法,构建了水泥粒子形状库,并将不规则水泥颗粒引入CEMHYD3D模型中,建立了非规则水泥颗粒的水化模型,分析了颗粒形状对水化进程和孔隙特征参数的影响规律。结合数值模型与实验值或解析模型比对,发现非规则水泥颗粒提高了水化模型的可靠性和精确度;非球形基模型的总孔隙率和孔径范围均小于球形基模型,而非球形基微结构的各类孔隙比表面积均大于球形基模型。

, authors=刘志勇1, 2, 张云升1, 2, 陈威威3, 刘诚1, 汤安琪3, 谢德擎1, authorsList=刘志勇, 张云升, 陈威威, 刘诚, 汤安琪, 谢德擎, authorCompany=null, correspAuthors=null, authorNote=

刘志勇(1985—),男,博士,研究员。

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非规则水泥颗粒水化和孔隙结构表征的数值模拟
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刘志勇 1, 2 , 张云升 1, 2 , 陈威威 3 , 刘诚 1 , 汤安琪 3 , 谢德擎 1
硅酸盐学报 | 研究论文 2021,49(5): 955-963
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硅酸盐学报 |研究论文 2021 , 49 (5) : 955 -963
非规则水泥颗粒水化和孔隙结构表征的数值模拟
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刘志勇(1985—),男,博士,研究员。

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刘志勇1, 2 , 张云升1, 2, 陈威威3, 刘诚1, 汤安琪3, 谢德擎1
作者信息
  • 1.东南大学,江苏省土木工程材料重点实验室,南京 211189
  • 2.东南大学材料科学与工程学院,南京 211189
  • 3.中国矿业大学力学与土木工程学院,江苏 徐州 221116
作者简介:

刘志勇(1985—),男,博士,研究员。

Numerical Simulations of Hydration and Pores Characterization of Irregular Cement Particles
Zhiyong LIU1, 2 , Yunsheng ZHANG1, 2, Weiwei CHEN3, Cheng LIU1, Anqi TANG3, Deqing XIE1
Affiliations
  • 1.Jiangsu Key Laboratory of Civil Engineering Materials, Southeast University, Nanjing 211189, China
  • 2.School of Materials Science and Engineering, Southeast University, Nanjing 211189, China
  • 3.School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou 221116, Jiangsu, China
  • LIU Zhiyong(1985-), male, Ph.D., Professor. E-mail:

出版时间: 2021-05-20 doi: 10.14062/j.issn.0454-5648.20200448
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为了描述和重构水泥颗粒真实不规则的颗粒形态,更好地理解水泥基材料水化过程、微观结构演变和力学性能变化,基于离散方法和元胞自动机理论的中心生长模型开发了一种不规则颗粒重构方法,构建了水泥粒子形状库,并将不规则水泥颗粒引入CEMHYD3D模型中,建立了非规则水泥颗粒的水化模型,分析了颗粒形状对水化进程和孔隙特征参数的影响规律。结合数值模型与实验值或解析模型比对,发现非规则水泥颗粒提高了水化模型的可靠性和精确度;非球形基模型的总孔隙率和孔径范围均小于球形基模型,而非球形基微结构的各类孔隙比表面积均大于球形基模型。

非规则水泥颗粒  /  水化模型  /  微结构演变  /  孔隙结构

In order to describe and reconstruct the true irregular particle morphology of cement particles and clarify the hydration process, microstructure evolution and mechanical property development of cement-based materials, an irregular particle reconstruction method was proposed by a discrete method and a central growth model based on a cellular automata theory. A cement particle shape data-base was established. The irregular cement particles were introduced into the CEMHYD3D model, and an irregular basis hydration model was constructed. The effect of particle shape on the hydration process and pore characteristic parameters were analyzed. The reliability and accuracy of the hydration model after the introduction of irregular cement particles were verified. The total porosity and pore size range of the non-spherical-based model are smaller than those of the spherical-based model, while the specific surface area with various pores of the non-spherical-based model is greater than that of the spherical-base model.

irregular cement particle  /  hydration model  /  microstructure evolution  /  pore structure
刘志勇, 张云升, 陈威威, 刘诚, 汤安琪, 谢德擎. 非规则水泥颗粒水化和孔隙结构表征的数值模拟. 硅酸盐学报, 2021 , 49 (5) : 955 -963 . DOI: 10.14062/j.issn.0454-5648.20200448
Zhiyong LIU, Yunsheng ZHANG, Weiwei CHEN, Cheng LIU, Anqi TANG, Deqing XIE. Numerical Simulations of Hydration and Pores Characterization of Irregular Cement Particles[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (5) : 955 -963 . DOI: 10.14062/j.issn.0454-5648.20200448
  • 国家自然科学基金面上项目(51778613; 52078125)
  • 中央高校基本科研业务费专项资金(2242020k40004)
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doi: 10.14062/j.issn.0454-5648.20200448
  • 接收时间:2020-06-21
  • 首发时间:2026-10-30
  • 出版时间:2021-05-20
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  • 收稿日期:2020-06-21
  • 修回日期:2020-08-06
基金
国家自然科学基金面上项目(51778613; 52078125)
中央高校基本科研业务费专项资金(2242020k40004)
作者信息
    1.东南大学,江苏省土木工程材料重点实验室,南京 211189
    2.东南大学材料科学与工程学院,南京 211189
    3.中国矿业大学力学与土木工程学院,江苏 徐州 221116
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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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