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Article(id=1318974629134319727, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1318974603884606018, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20230082, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1676908800000, receivedDateStr=2023-02-21, revisedDate=1679587200000, revisedDateStr=2023-03-24, acceptedDate=null, acceptedDateStr=null, onlineDate=1792397656948, onlineDateStr=2026-10-19, pubDate=1683216000000, pubDateStr=2023-05-05, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792397656948, onlineIssueDateStr=2026-10-19, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792397656948, creator=13701087609, updateTime=1792397656948, updator=13701087609, issue=Issue{id=1318974603884606018, tenantId=1146029695717560320, journalId=1263187385517883426, year='2023', volume='51', issue='8', pageStart='1883', pageEnd='2118', issueExtLink='null', onlineDate='null', pubDate='1692460800000', pubDateStr='2023-08-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792397650929, creator='13701087609', updateTime=1792399225992, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1318981210261541260, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1318974603884606018, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1318981210261541261, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1318974603884606018, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1898, endPage=1907, ext={EN=ArticleExt(id=1318974630996590704, articleId=1318974629134319727, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Correlation Analysis of Fracture Characteristics of High Dam Fully-Graded Concrete, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

The development of cohesionless cracks can be regarded as a sign of macroscopic crack development. An identification model of cohesionless cracks was adpoted with results of crack development by digital image correlation (DIC) method. Three-point bending tests were carried out on fully-graded concrete specimens with different loading rates (0.000 1 mm/s, 0.001 0 mm/s, 0.010 0 mm/s), considering the rate correlation of crack propagation of fully-graded concrete. The results show that for the fully-graded concrete specimens with different loading time intervals, cohesionless cracks will occur throughout the peak load, indicating that the prefabricated cracks have cracked when the peak load is reached. The cracks of the specimen is mainly concentrated after the load is loaded to 50% of the peak load. Under the same conditions, the slower the loading rate is, the earlier the unbonded cracks appear. With the increase of the loading rate, the cracks are thin and long.

, authors=Zhenxiang SHI1, Jingliang XIA2, Xudong CHEN1, Hanqing YANG1, Yin BAI2, authorsList=Zhenxiang SHI, Jingliang XIA, Xudong CHEN, Hanqing YANG, Yin BAI, authorCompany=null, correspAuthors=Xudong CHEN, authorNote=

SHI Zhenxiang (1999-), male, Master candidate. E-mail:

, correspAuthorsNote=
CHEN Xudong (1985-), male, Ph.D., Professor. E-mail:
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无粘结裂缝的产生可以被视为宏观裂缝发展的标志。为探究地震作用对全级配混凝土裂缝行为特征的影响，采用一种无粘结裂缝的识别模型，以数字图像相关技术作为试件裂缝扩展的监测手段，对不同加载速率（0.000 1 mm/s、0.001 0 mm/s、0.010 0 mm/s）的全级配混凝土试件进行三点弯曲试验，考虑全级配混凝土裂缝扩展的率相关性。结果表明：对于不同加载时间间隔内的全级配混凝土试件，峰值前后均会产生无粘结裂缝，说明达到峰值荷载时预制裂缝处已发生开裂；试件的破坏主要集中在荷载加载至峰值荷载的50%以后；相同条件下，加载速率越慢，无粘结裂缝出现的阶段越早，随着加载速率增大，裂缝呈现细而长的特征。

, authors=石振祥1, 夏京亮2, 陈徐东1, 杨瀚清1, 白银2, authorsList=石振祥, 夏京亮, 陈徐东, 杨瀚清, 白银, authorCompany=null, correspAuthors=陈徐东, authorNote=

石振祥（1999—），男，硕士研究生。

, correspAuthorsNote=
陈徐东（1985—），男，教授，博士。
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SHI Zhenxiang (1999-), male, Master candidate. E-mail:

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SHI Zhenxiang (1999-), male, Master candidate. E-mail:

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石振祥（1999—），男，硕士研究生。

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石振祥（1999—），男，硕士研究生。

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高坝全级配混凝土断裂特性的相关性分析
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石振祥 1 , 夏京亮 2 , 陈徐东 1 , 杨瀚清 1 , 白银 2
硅酸盐学报 | 研究论文 2023,51(8): 1898-1907
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硅酸盐学报 |研究论文 2023 , 51 (8) : 1898 -1907
高坝全级配混凝土断裂特性的相关性分析
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石振祥1 , 夏京亮2, 陈徐东1 , 杨瀚清1, 白银2
作者信息
  • 1.河海大学土木与交通学院，南京 210098
  • 2.中国建筑科学研究院有限公司，北京 100013
  • 3.南京水利科学研究院材料结构研究所，南京 210098
通讯作者:
陈徐东（1985—），男，教授，博士。
作者简介:

石振祥（1999—），男，硕士研究生。

Correlation Analysis of Fracture Characteristics of High Dam Fully-Graded Concrete
Zhenxiang SHI1 , Jingliang XIA2, Xudong CHEN1 , Hanqing YANG1, Yin BAI2
Affiliations
  • 1.College of Civil Engineering and Transportation, Hohai University, Nanjing 210098, China
  • 2.China Academy of Building Research, Beijing 100013, China
  • 3.Materials &Structural Engineering Department, Nanjing Hydraulic Research Institute, Nanjing 210098, China
    • Corresponding Author:
    CHEN Xudong (1985-), male, Ph.D., Professor. E-mail:

    SHI Zhenxiang (1999-), male, Master candidate. E-mail:

出版时间: 2023-05-05 doi: 10.14062/j.issn.0454-5648.20230082
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无粘结裂缝的产生可以被视为宏观裂缝发展的标志。为探究地震作用对全级配混凝土裂缝行为特征的影响，采用一种无粘结裂缝的识别模型，以数字图像相关技术作为试件裂缝扩展的监测手段，对不同加载速率（0.000 1 mm/s、0.001 0 mm/s、0.010 0 mm/s）的全级配混凝土试件进行三点弯曲试验，考虑全级配混凝土裂缝扩展的率相关性。结果表明：对于不同加载时间间隔内的全级配混凝土试件，峰值前后均会产生无粘结裂缝，说明达到峰值荷载时预制裂缝处已发生开裂；试件的破坏主要集中在荷载加载至峰值荷载的50%以后；相同条件下，加载速率越慢，无粘结裂缝出现的阶段越早，随着加载速率增大，裂缝呈现细而长的特征。

全级配混凝土  /  加载速率  /  三点弯曲试验  /  数字图像相关技术  /  断裂过程区  /  无粘结裂缝

The development of cohesionless cracks can be regarded as a sign of macroscopic crack development. An identification model of cohesionless cracks was adpoted with results of crack development by digital image correlation (DIC) method. Three-point bending tests were carried out on fully-graded concrete specimens with different loading rates (0.000 1 mm/s, 0.001 0 mm/s, 0.010 0 mm/s), considering the rate correlation of crack propagation of fully-graded concrete. The results show that for the fully-graded concrete specimens with different loading time intervals, cohesionless cracks will occur throughout the peak load, indicating that the prefabricated cracks have cracked when the peak load is reached. The cracks of the specimen is mainly concentrated after the load is loaded to 50% of the peak load. Under the same conditions, the slower the loading rate is, the earlier the unbonded cracks appear. With the increase of the loading rate, the cracks are thin and long.

full-graded concrete  /  loading rate  /  three-point bending fracture test  /  digital image correlation technology  /  fracture process zone  /  cohesionless cracks
石振祥, 夏京亮, 陈徐东, 杨瀚清, 白银. 高坝全级配混凝土断裂特性的相关性分析. 硅酸盐学报, 2023 , 51 (8) : 1898 -1907 . DOI: 10.14062/j.issn.0454-5648.20230082
Zhenxiang SHI, Jingliang XIA, Xudong CHEN, Hanqing YANG, Yin BAI. Correlation Analysis of Fracture Characteristics of High Dam Fully-Graded Concrete[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (8) : 1898 -1907 . DOI: 10.14062/j.issn.0454-5648.20230082
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  • 国家重点研发计划(2021YFB2600200)
  • 国家自然科学基金面上项目(51979090)
  • 国家重点实验室开放基金(2019CEM 002)
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2023年第51卷第8期
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doi: 10.14062/j.issn.0454-5648.20230082
  • 接收时间：2023-02-21
  • 首发时间：2026-10-19
  • 出版时间：2023-05-05
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  • 收稿日期：2023-02-21
  • 修回日期：2023-03-24
基金
国家重点研发计划(2021YFB2600200)
国家自然科学基金面上项目(51979090)
国家重点实验室开放基金(2019CEM 002)
作者信息
    1.河海大学土木与交通学院，南京 210098
    2.中国建筑科学研究院有限公司，北京 100013
    3.南京水利科学研究院材料结构研究所，南京 210098

通讯作者:

陈徐东（1985—），男，教授，博士。
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https://castjournals.cast.org.cn/joweb/gsyxb/CN/10.14062/j.issn.0454-5648.20230082
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2种不同金属材料的力学参数
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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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