Article(id=1222925280486871421, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1222925278838513745, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20220758, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1650038400000, receivedDateStr=2022-04-16, revisedDate=1651939200000, revisedDateStr=2022-05-08, acceptedDate=null, acceptedDateStr=null, onlineDate=1769497707720, onlineDateStr=2026-01-27, pubDate=1677254400000, pubDateStr=2023-02-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769497707720, onlineIssueDateStr=2026-01-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769497707720, creator=13701087609, updateTime=1769497707720, updator=13701087609, issue=Issue{id=1222925278838513745, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='2', pageStart='1', pageEnd='220', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769497707328, creator=13701087609, updateTime=1769497707328, updator=13701087609, preIssue=null, nextIssue=null, ext=null, issueFiles=null}, startPage=83, endPage=85, ext={EN=ArticleExt(id=1222925280847581584, articleId=1222925280486871421, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Stress Analysis of Asphalt Concrete Core Wall and Diaphragm of Dam Foundation Based on Finite Element Method, columnId=1222925280734335368, journalTitle=Water Resources and Power, columnName=DAM SAFETY AND MONITORING, runingTitle=null, highlight=null, articleAbstract=

In the design scheme of asphalt concrete core rockfill dam, the axis of diaphragm of dam foundation and asphalt concrete core wall is overlapped. However, due to construction errors and other reasons, the axis of diaphragm of dam foundation and asphalt concrete core wall may not be completely overlapped. Based on the finite element analysis method, the stress behavior of diaphragm of dam foundation and asphalt concrete core wall under different offsets was studied. The results show that under the superposition of axes, the local tensile stress of the diaphragm of dam foundation is in a state of no or small in the construction period and operation period, which has little influence on the whole. The minor offset of the axis of the diaphragm of dam foundation to the downstream will have a certain adverse effect on the stress of the diaphragm of dam foundation during operation. The main performance is that the local tensile stress of the downstream face of the diaphragm of dam foundation increases, and there is stress concentration. The local tensile stress increases by 3.6 times compared with that without offset. The concrete base of the asphalt concrete core wall can be slightly extended to the downstream according to the offset of the diaphragm of dam foundation, which can reduce the local tensile stress of the downstream surface of the diaphragm of dam foundation by 59.3 % and weaken the stress concentration, so as to improve the stress state of the diaphragm of dam foundation. The finite element simulation analysis can provide support for safety evaluation and selection of engineering treatment measures under eccentric condition of diaphram of dam foundation.

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在沥青混凝土心墙堆石坝设计中,坝基防渗墙与沥青混凝土心墙的轴线重合,但因施工误差等原因,实际可能会出现坝基防渗墙与心墙轴线不完全重合的情况。基于有限元分析方法,研究坝基防渗墙相对于心墙轴线在不同偏移量情况下防渗墙的应力状态。结果表明,轴线重合时,坝基防渗墙在施工期和运行期局部拉应力处于没有或较小状态,对整体影响甚微;坝基防渗墙轴线向下游的偏移会对运行期防渗墙应力产生一定的不利影响,主要表现为坝基防渗墙下游面(非邻水面)局部拉应力增大,存在应力集中现象,局部拉应力较未发生偏移最大增长3.6倍;可将心墙的混凝土基座依据坝基防渗墙偏移情况向下游进行一定的扩展,能使运行期坝基防渗墙下游面的局部拉应力最高降低59.3%,减弱应力集中现象,从而改善坝基防渗墙的应力状态。有限元模拟结果可为坝基防渗墙偏心情况下的安全性评价和工程处理措施选择提供支持。

, correspAuthors=null, authorNote=null, correspAuthorsNote=
张幸幸(1985-),女,博士、高级工程师,研究方向为土的本构模型及土石坝工程安全,E-mail:
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崔熙灿(1998-),女,硕士研究生,研究方向为土石坝工程安全,E-mail:

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崔熙灿(1998-),女,硕士研究生,研究方向为土石坝工程安全,E-mail:

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崔熙灿(1998-),女,硕士研究生,研究方向为土石坝工程安全,E-mail:

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基于有限元法的沥青混凝土心墙及坝基防渗墙应力分析
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崔熙灿 1 , 王大勇 2 , 张凌凯 1, 3a , 张幸幸 3a, 3b
水电能源科学 | 大坝安全与监测 2023,41(2): 83-85
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水电能源科学 | 大坝安全与监测 2023, 41(2): 83-85
基于有限元法的沥青混凝土心墙及坝基防渗墙应力分析
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崔熙灿1 , 王大勇2, 张凌凯1, 3a, 张幸幸3a, 3b
作者信息
  • 1.新疆农业大学水利与土木工程学院,新疆 乌鲁木齐 830052
  • 2.黑龙江省三江建设管理有限公司,黑龙江 哈尔滨 150036
  • 3.a.中国水利水电科学研究院流域水循环模拟与调控国家重点实验室,北京 100038
  • 3.b.中国水利水电科学研究院水利部水工程建设与安全重点实验室,北京 100038
  • 崔熙灿(1998-),女,硕士研究生,研究方向为土石坝工程安全,E-mail:

通讯作者:

张幸幸(1985-),女,博士、高级工程师,研究方向为土的本构模型及土石坝工程安全,E-mail:
Stress Analysis of Asphalt Concrete Core Wall and Diaphragm of Dam Foundation Based on Finite Element Method
Xi-can CUI1 , Da-yong WANG2, Ling-kai ZHANG1, 3a, Xing-xing ZHANG3a, 3b
Affiliations
  • 1.College of Hydraulic and Civil Engineering, Xinjiang Agricultural University, Urumqi 830052, China
  • 2.Heilongjiang Sanjiang Construction Management Co., Ltd, Harbin 150036, China
  • 3a.State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resources and Hydropower Research, Beijing 100038, China
  • 3b.Key Laboratory on Construction and Security of Water Projects of Ministry of Water Resources, China Institute of Water Resources and Hydropower Research, Beijing 100038, China
出版时间: 2023-02-25 doi: 10.20040/j.cnki.1000-7709.2023.20220758
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在沥青混凝土心墙堆石坝设计中,坝基防渗墙与沥青混凝土心墙的轴线重合,但因施工误差等原因,实际可能会出现坝基防渗墙与心墙轴线不完全重合的情况。基于有限元分析方法,研究坝基防渗墙相对于心墙轴线在不同偏移量情况下防渗墙的应力状态。结果表明,轴线重合时,坝基防渗墙在施工期和运行期局部拉应力处于没有或较小状态,对整体影响甚微;坝基防渗墙轴线向下游的偏移会对运行期防渗墙应力产生一定的不利影响,主要表现为坝基防渗墙下游面(非邻水面)局部拉应力增大,存在应力集中现象,局部拉应力较未发生偏移最大增长3.6倍;可将心墙的混凝土基座依据坝基防渗墙偏移情况向下游进行一定的扩展,能使运行期坝基防渗墙下游面的局部拉应力最高降低59.3%,减弱应力集中现象,从而改善坝基防渗墙的应力状态。有限元模拟结果可为坝基防渗墙偏心情况下的安全性评价和工程处理措施选择提供支持。

沥青混凝土心墙坝  /  坝基防渗墙  /  应力  /  有限元模拟

In the design scheme of asphalt concrete core rockfill dam, the axis of diaphragm of dam foundation and asphalt concrete core wall is overlapped. However, due to construction errors and other reasons, the axis of diaphragm of dam foundation and asphalt concrete core wall may not be completely overlapped. Based on the finite element analysis method, the stress behavior of diaphragm of dam foundation and asphalt concrete core wall under different offsets was studied. The results show that under the superposition of axes, the local tensile stress of the diaphragm of dam foundation is in a state of no or small in the construction period and operation period, which has little influence on the whole. The minor offset of the axis of the diaphragm of dam foundation to the downstream will have a certain adverse effect on the stress of the diaphragm of dam foundation during operation. The main performance is that the local tensile stress of the downstream face of the diaphragm of dam foundation increases, and there is stress concentration. The local tensile stress increases by 3.6 times compared with that without offset. The concrete base of the asphalt concrete core wall can be slightly extended to the downstream according to the offset of the diaphragm of dam foundation, which can reduce the local tensile stress of the downstream surface of the diaphragm of dam foundation by 59.3 % and weaken the stress concentration, so as to improve the stress state of the diaphragm of dam foundation. The finite element simulation analysis can provide support for safety evaluation and selection of engineering treatment measures under eccentric condition of diaphram of dam foundation.

asphalt concrete core dam  /  diaphragm of dam foundation  /  stress  /  finite element modeling
崔熙灿, 王大勇, 张凌凯, 张幸幸. 基于有限元法的沥青混凝土心墙及坝基防渗墙应力分析. 水电能源科学, 2023 , 41 (2) : 83 -85 . DOI: 10.20040/j.cnki.1000-7709.2023.20220758
Xi-can CUI, Da-yong WANG, Ling-kai ZHANG, Xing-xing ZHANG. Stress Analysis of Asphalt Concrete Core Wall and Diaphragm of Dam Foundation Based on Finite Element Method[J]. Water Resources and Power, 2023 , 41 (2) : 83 -85 . DOI: 10.20040/j.cnki.1000-7709.2023.20220758
  • 中国水利水电科学研究院流域水循环模拟与调控国家重点实验室开放基金项目(IWHR-SKL-KF201908)
  • 新疆维吾尔自治区高校科研计划项目(XJEDU2019Y020)
  • 新疆维吾尔自治区天山青年计划项目(2019Q077)
2023年第41卷第2期
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文章信息
doi: 10.20040/j.cnki.1000-7709.2023.20220758
  • 接收时间:2022-04-16
  • 首发时间:2026-01-27
  • 出版时间:2023-02-25
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出版历史
  • 收稿日期:2022-04-16
  • 修回日期:2022-05-08
基金
中国水利水电科学研究院流域水循环模拟与调控国家重点实验室开放基金项目(IWHR-SKL-KF201908)
新疆维吾尔自治区高校科研计划项目(XJEDU2019Y020)
新疆维吾尔自治区天山青年计划项目(2019Q077)
作者信息
    1.新疆农业大学水利与土木工程学院,新疆 乌鲁木齐 830052
    2.黑龙江省三江建设管理有限公司,黑龙江 哈尔滨 150036
    3.a.中国水利水电科学研究院流域水循环模拟与调控国家重点实验室,北京 100038
    3.b.中国水利水电科学研究院水利部水工程建设与安全重点实验室,北京 100038

通讯作者:

张幸幸(1985-),女,博士、高级工程师,研究方向为土的本构模型及土石坝工程安全,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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