Article(id=1222940992211243024, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1222940980886626474, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20221941, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1663344000000, receivedDateStr=2022-09-17, revisedDate=1666108800000, revisedDateStr=2022-10-19, acceptedDate=null, acceptedDateStr=null, onlineDate=1769501453687, onlineDateStr=2026-01-27, pubDate=1700841600000, pubDateStr=2023-11-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769501453687, onlineIssueDateStr=2026-01-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769501453687, creator=13041195026, updateTime=1769501453687, updator=13041195026, issue=Issue{id=1222940980886626474, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='11', pageStart='1', pageEnd='226', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769501450987, creator=13041195026, updateTime=1769501450987, updator=13041195026, preIssue=null, nextIssue=null, ext=null, issueFiles=null}, startPage=65, endPage=68, ext={EN=ArticleExt(id=1222940992769085483, articleId=1222940992211243024, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Study on Cracking Mechanism of Gravity Dam Based on Macro-Micro Model, columnId=1222925280734335368, journalTitle=Water Resources and Power, columnName=DAM SAFETY AND MONITORING, runingTitle=null, highlight=null, articleAbstract=

In order to understand the mechanism of crack formation in the RCC gravity dam body during operation, this paper takes the Shimantan reservoir dam as the research object, adopts a method of using the ESEL command in APDL language and the rotation of local coordinate system to complete the random aggregate delivery, and constructs a three-dimensional macro-micro finite element model of the No. 9 non-overflow dam section of the Shimantan dam. The simulation results of aggregate placement show that the method can quickly generate three-dimensional spherical and polyhedral aggregates, greatly improving the efficiency of aggregate generation. The results calculated by the macro-micro model are more consistent with the actual crack distribution of the dam, and the impact of the rapid rise in summer temperature and rapid drop in winter temperature on the cracking of concrete dams during operation cannot be ignored.

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为了弄清石漫滩水库混凝土重力坝坝体运行期裂缝形成机理,采用APDL语言中的ESEL命令并配合局部坐标系的旋转来完成随机骨料的投放方法,构建了石漫滩大坝#9非溢流坝段的三维宏-细观有限元模型,通过模拟计算,分析了运行期大坝的裂缝成因。结果表明,该方法可快速生成三维球形及多面体形骨料,大大提高了骨料的生成效率;采用宏-细观模型计算的结果与大坝的实际裂纹分布情况更为符合,周期性的冬季快速温降及夏季快速温升对运行期混凝土坝开裂的影响不容忽视。

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张亚坤(1983-),男,博士、副教授,研究方向为新型复合材料及其结构性能,E-mail:
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赵婷(1977-),女,硕士、副教授,研究方向为水利水电建筑工程,E-mail:

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赵婷(1977-),女,硕士、副教授,研究方向为水利水电建筑工程,E-mail:

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赵婷(1977-),女,硕士、副教授,研究方向为水利水电建筑工程,E-mail:

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基于宏—细观模型的石漫滩水库重力坝开裂机理研究
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赵婷 1 , 焦延涛 2 , 张亚坤 1 , 侯黎黎 1
水电能源科学 | 大坝安全与监测 2023,41(11): 65-68
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水电能源科学 | 大坝安全与监测 2023, 41(11): 65-68
基于宏—细观模型的石漫滩水库重力坝开裂机理研究
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赵婷1 , 焦延涛2, 张亚坤1 , 侯黎黎1
作者信息
  • 1.黄河水利职业技术学院,河南 开封 475004
  • 2.华北水利水电大学水利学院,河南 郑州 450045
  • 赵婷(1977-),女,硕士、副教授,研究方向为水利水电建筑工程,E-mail:

通讯作者:

张亚坤(1983-),男,博士、副教授,研究方向为新型复合材料及其结构性能,E-mail:
Study on Cracking Mechanism of Gravity Dam Based on Macro-Micro Model
Ting ZHAO1 , Yan-tao JIAO2, Ya-kun ZHANG1 , Li-li HOU1
Affiliations
  • 1.Yellow River Conservancy Technical Institute, Kaifeng 475004, China
  • 2.School of Water Conservancy, North China University of Water Resources and Electric Power, Zhengzhou 450045, China
出版时间: 2023-11-25 doi: 10.20040/j.cnki.1000-7709.2023.20221941
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为了弄清石漫滩水库混凝土重力坝坝体运行期裂缝形成机理,采用APDL语言中的ESEL命令并配合局部坐标系的旋转来完成随机骨料的投放方法,构建了石漫滩大坝#9非溢流坝段的三维宏-细观有限元模型,通过模拟计算,分析了运行期大坝的裂缝成因。结果表明,该方法可快速生成三维球形及多面体形骨料,大大提高了骨料的生成效率;采用宏-细观模型计算的结果与大坝的实际裂纹分布情况更为符合,周期性的冬季快速温降及夏季快速温升对运行期混凝土坝开裂的影响不容忽视。

混凝土重力坝  /  宏-细观有限元模型  /  温度裂缝  /  APDL命令流

In order to understand the mechanism of crack formation in the RCC gravity dam body during operation, this paper takes the Shimantan reservoir dam as the research object, adopts a method of using the ESEL command in APDL language and the rotation of local coordinate system to complete the random aggregate delivery, and constructs a three-dimensional macro-micro finite element model of the No. 9 non-overflow dam section of the Shimantan dam. The simulation results of aggregate placement show that the method can quickly generate three-dimensional spherical and polyhedral aggregates, greatly improving the efficiency of aggregate generation. The results calculated by the macro-micro model are more consistent with the actual crack distribution of the dam, and the impact of the rapid rise in summer temperature and rapid drop in winter temperature on the cracking of concrete dams during operation cannot be ignored.

concrete gravity dam  /  macro-micro finite element model  /  temperature cracks  /  APDL commands flow
赵婷, 焦延涛, 张亚坤, 侯黎黎. 基于宏—细观模型的石漫滩水库重力坝开裂机理研究. 水电能源科学, 2023 , 41 (11) : 65 -68 . DOI: 10.20040/j.cnki.1000-7709.2023.20221941
Ting ZHAO, Yan-tao JIAO, Ya-kun ZHANG, Li-li HOU. Study on Cracking Mechanism of Gravity Dam Based on Macro-Micro Model[J]. Water Resources and Power, 2023 , 41 (11) : 65 -68 . DOI: 10.20040/j.cnki.1000-7709.2023.20221941
  • 国家级职业教育教师教学创新团队课题研究项目(ZH2021040101)
  • 河南省2023年水利科技攻关项目计划(GG202337)
  • 河南省高等教育教学改革研究与实践重大项目(2021SJGLX643)
  • 开封市重点研发项目(22ZDYF007)
  • 2020年开封市科技发展计划(科技攻关2001021)
  • 2022年度河南省高等学校重点科研项目计划(22B570001)
  • 开封市黄河流域生态保护和高质量发展创新专项计划(2019018)
  • 2020年度黄河水利职业技术学院青年骨干教师培养计划(2020HYGG01)
2023年第41卷第11期
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doi: 10.20040/j.cnki.1000-7709.2023.20221941
  • 接收时间:2022-09-17
  • 首发时间:2026-01-27
  • 出版时间:2023-11-25
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出版历史
  • 收稿日期:2022-09-17
  • 修回日期:2022-10-19
基金
国家级职业教育教师教学创新团队课题研究项目(ZH2021040101)
河南省2023年水利科技攻关项目计划(GG202337)
河南省高等教育教学改革研究与实践重大项目(2021SJGLX643)
开封市重点研发项目(22ZDYF007)
2020年开封市科技发展计划(科技攻关2001021)
2022年度河南省高等学校重点科研项目计划(22B570001)
开封市黄河流域生态保护和高质量发展创新专项计划(2019018)
2020年度黄河水利职业技术学院青年骨干教师培养计划(2020HYGG01)
作者信息
    1.黄河水利职业技术学院,河南 开封 475004
    2.华北水利水电大学水利学院,河南 郑州 450045

通讯作者:

张亚坤(1983-),男,博士、副教授,研究方向为新型复合材料及其结构性能,E-mail:
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

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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