Article(id=1222925281787105739, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1222925278838513745, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20220229, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1644422400000, receivedDateStr=2022-02-10, revisedDate=1652025600000, revisedDateStr=2022-05-09, acceptedDate=null, acceptedDateStr=null, onlineDate=1769497708031, onlineDateStr=2026-01-27, pubDate=1677254400000, pubDateStr=2023-02-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769497708031, onlineIssueDateStr=2026-01-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769497708031, creator=13701087609, updateTime=1769497708031, 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=90, endPage=94, ext={EN=ArticleExt(id=1222925282034569690, articleId=1222925281787105739, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Study on Optimization of Seepage Control System for Concrete Face Rockfill Dam of Lower Reservoir of A Pumped Storage Power Station, columnId=1222925280734335368, journalTitle=Water Resources and Power, columnName=DAM SAFETY AND MONITORING, runingTitle=null, highlight=null, articleAbstract=

Aiming at the problems of high economic cost and difficult construction of the anti-seepage scheme designed for the dam site area of the concrete face dam of the lower reservoir of a pumped storage power station, a three-dimensional finite element model was established according to the actual engineering situation of the lower reservoir site. Firstly, the distribution of seepage field and the factors such as seepage gradient and seepage flow in each part of the reservoir area under the design anti-seepage scheme were calculated. Then the effects of different curtain depth and the change of curtain length of left and right dam abutment on seepage gradient and seepage flow were analyzed. Finally, the optimization suggestions for the design anti-seepage scheme were put forward. The results show that the curtain depth of the dam site area can be shortened to 3 Lu line, and the curtain length of the dam abutment on the left and right banks can be shortened by about 10 m. Therefore, the project cost can be reduced and the construction progress can be accelerated on the basis that the key parts of the dam site area can meet the seepage stability and the total seepage flow can be effectively controlled.

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针对某抽水蓄能电站下水库混凝土面板坝坝址区设计防渗方案经济成本较高且施工难度较大等问题,根据下水库库址区的工程实际情况,建立其三维有限元模型。首先计算并分析了库区在设计防渗方案下的渗流场分布性态及各部位的渗透坡降和渗透流量等要素,然后探讨了不同帷幕深度和左右岸坝肩帷幕长度变化对渗透坡降和渗透流量的影响,最后依据分析结果对设计防渗方案提出优化建议。结果表明,坝址区帷幕深度可缩短至3 Lu线,左右岸坝肩帷幕长度均可缩短10 m左右,由此可在坝址区各关键部位既满足渗透稳定且总渗透流量得到有效控制的基础上降低工程造价并加快施工进度。

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沈振中(1968-),男,博士、教授、博导,研究方向为水利工程渗流特性分析、控制与优化,E-mail:
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王硕(1998-),男,硕士研究生,研究方向为水利工程渗流特性分析控制方法,E-mail:

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王硕(1998-),男,硕士研究生,研究方向为水利工程渗流特性分析控制方法,E-mail:

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王硕(1998-),男,硕士研究生,研究方向为水利工程渗流特性分析控制方法,E-mail:

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某抽水蓄能电站下水库混凝土面板坝防渗系统优选研究
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王硕 a , 沈振中 a, b , 徐力群 a, b , 甘磊 a, b
水电能源科学 | 大坝安全与监测 2023,41(2): 90-94
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水电能源科学 | 大坝安全与监测 2023, 41(2): 90-94
某抽水蓄能电站下水库混凝土面板坝防渗系统优选研究
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王硕a , 沈振中a, b , 徐力群a, b, 甘磊a, b
作者信息
  • a.河海大学水利水电学院,江苏 南京 210098
  • b.河海大学水文水资源与水利工程科学国家重点实验室,江苏 南京 210098
  • 王硕(1998-),男,硕士研究生,研究方向为水利工程渗流特性分析控制方法,E-mail:

通讯作者:

沈振中(1968-),男,博士、教授、博导,研究方向为水利工程渗流特性分析、控制与优化,E-mail:
Study on Optimization of Seepage Control System for Concrete Face Rockfill Dam of Lower Reservoir of A Pumped Storage Power Station
Shuo WANGa , Zhen-zhong SHENa, b , Li-qun XUa, b, Lei GANa, b
Affiliations
  • a.College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China
  • b.State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China
出版时间: 2023-02-25 doi: 10.20040/j.cnki.1000-7709.2023.20220229
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针对某抽水蓄能电站下水库混凝土面板坝坝址区设计防渗方案经济成本较高且施工难度较大等问题,根据下水库库址区的工程实际情况,建立其三维有限元模型。首先计算并分析了库区在设计防渗方案下的渗流场分布性态及各部位的渗透坡降和渗透流量等要素,然后探讨了不同帷幕深度和左右岸坝肩帷幕长度变化对渗透坡降和渗透流量的影响,最后依据分析结果对设计防渗方案提出优化建议。结果表明,坝址区帷幕深度可缩短至3 Lu线,左右岸坝肩帷幕长度均可缩短10 m左右,由此可在坝址区各关键部位既满足渗透稳定且总渗透流量得到有效控制的基础上降低工程造价并加快施工进度。

混凝土面板堆石坝  /  防渗帷幕  /  渗透流量  /  三维有限元模型  /  方案优选

Aiming at the problems of high economic cost and difficult construction of the anti-seepage scheme designed for the dam site area of the concrete face dam of the lower reservoir of a pumped storage power station, a three-dimensional finite element model was established according to the actual engineering situation of the lower reservoir site. Firstly, the distribution of seepage field and the factors such as seepage gradient and seepage flow in each part of the reservoir area under the design anti-seepage scheme were calculated. Then the effects of different curtain depth and the change of curtain length of left and right dam abutment on seepage gradient and seepage flow were analyzed. Finally, the optimization suggestions for the design anti-seepage scheme were put forward. The results show that the curtain depth of the dam site area can be shortened to 3 Lu line, and the curtain length of the dam abutment on the left and right banks can be shortened by about 10 m. Therefore, the project cost can be reduced and the construction progress can be accelerated on the basis that the key parts of the dam site area can meet the seepage stability and the total seepage flow can be effectively controlled.

CFRD  /  impervious curtain  /  seepage discharge  /  three-dimensional finite element model  /  scheme optimization
王硕, 沈振中, 徐力群, 甘磊. 某抽水蓄能电站下水库混凝土面板坝防渗系统优选研究. 水电能源科学, 2023 , 41 (2) : 90 -94 . DOI: 10.20040/j.cnki.1000-7709.2023.20220229
Shuo WANG, Zhen-zhong SHEN, Li-qun XU, Lei GAN. Study on Optimization of Seepage Control System for Concrete Face Rockfill Dam of Lower Reservoir of A Pumped Storage Power Station[J]. Water Resources and Power, 2023 , 41 (2) : 90 -94 . DOI: 10.20040/j.cnki.1000-7709.2023.20220229
  • 江苏省自然科学基金项目(BK20201312)
  • 江苏高校优势学科建设工程项目(水利工程)(YS11001)
2023年第41卷第2期
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文章信息
doi: 10.20040/j.cnki.1000-7709.2023.20220229
  • 接收时间:2022-02-10
  • 首发时间:2026-01-27
  • 出版时间:2023-02-25
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  • 收稿日期:2022-02-10
  • 修回日期:2022-05-09
基金
江苏省自然科学基金项目(BK20201312)
江苏高校优势学科建设工程项目(水利工程)(YS11001)
作者信息
    a.河海大学水利水电学院,江苏 南京 210098
    b.河海大学水文水资源与水利工程科学国家重点实验室,江苏 南京 210098

通讯作者:

沈振中(1968-),男,博士、教授、博导,研究方向为水利工程渗流特性分析、控制与优化,E-mail:
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2种不同金属材料的力学参数

Family
属数
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genus
种数
Number of
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占总种数比例
Percentage of
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Genus
种数
Number of
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占总种数比例
Percentage of total
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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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