Article(id=1223190871223419715, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223190866320278179, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20230559, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1680278400000, receivedDateStr=2023-04-01, revisedDate=1683302400000, revisedDateStr=2023-05-06, acceptedDate=null, acceptedDateStr=null, onlineDate=1769561029487, onlineDateStr=2026-01-28, pubDate=1695571200000, pubDateStr=2023-09-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769561029487, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769561029487, creator=13701087609, updateTime=1769561029487, updator=13701087609, issue=Issue{id=1223190866320278179, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='9', 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=1769561028318, creator=13701087609, updateTime=1769562015483, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223195006870082478, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223190866320278179, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223195006870082479, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223190866320278179, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=85, endPage=88, ext={EN=ArticleExt(id=1223190872204886919, articleId=1223190871223419715, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Erosion Mechanism of Dam Lands and Flow Characteristics of Dam-Break Under Warping-Dam-Break Conditions in the Loess Plateau, columnId=1222925280734335368, journalTitle=Water Resources and Power, columnName=DAM SAFETY AND MONITORING, runingTitle=null, highlight=null, articleAbstract=

The study of water-sediment processes and dam-land-erosion mechanisms under warping-dam-break conditions is of great significance for the construction and later management of warping dams in the Loess Plateau. Based on the literature research and field investigation, this paper identified the main causes of dam-land-erosion under warpingdam-break conditions, including the nature of the dam soil, the formation characteristics of the dam and the check dam break mode. It proposed that the process of dam erosions and gully erosions after warping dam failures was as follows: “warping dam failure → retrogressive erosion → scouring and undercutting → collapse of gully walls → mixed flow of water and sand”. Taking the #2 main dam in Macaoli of Lishi District in Lvliang City, Shanxi Province as an example, the numerical calculation results indicate that the water-sand process under the condition of warping dam failures was significantly changed by the siltation of the reservoir areas, and the dam lands have the role of shaving peaks and sinking sands.

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研究淤地坝溃损条件下的坝地侵蚀机理及水沙过程对于淤地坝的建设和后期管护具有重大意义。基于文献调研和实地调查分析,发现淤地坝溃损后的坝地侵蚀主要受坝地土体性质、坝地形成特征及淤地坝溃损模式影响,坝地侵蚀造沟模式可概括为“淤地坝溃损→溯源侵蚀→冲刷下切→沟壁坍塌→水沙混合流”;以山西省吕梁市离石区马槽里#2骨干坝为例,通过数值计算不同淤地工况下淤地坝溃损时的溃口流量过程和水位过程得知,淤地坝溃损条件下的水沙过程受库区的淤地情况显著变化,且坝地具有削峰落沙的作用。

, correspAuthors=null, authorNote=null, correspAuthorsNote=
乐茂华(1986-),男,博士、高级工程师,研究方向为水力学及河流动力学,E-mail:
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尹国龙(1988-),男,硕士、工程师,研究方向为岩土力学与边坡工程,E-mail:

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尹国龙(1988-),男,硕士、工程师,研究方向为岩土力学与边坡工程,E-mail:

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尹国龙(1988-),男,硕士、工程师,研究方向为岩土力学与边坡工程,E-mail:

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黄土高原淤地坝溃损条件下坝地侵蚀机理及溃口水流特征
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尹国龙 1, 2 , 乐茂华 3 , 易靖松 1
水电能源科学 | 大坝安全与监测 2023,41(9): 85-88
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水电能源科学 | 大坝安全与监测 2023, 41(9): 85-88
黄土高原淤地坝溃损条件下坝地侵蚀机理及溃口水流特征
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尹国龙1, 2 , 乐茂华3 , 易靖松1
作者信息
  • 1.中国地质科学院探矿工艺研究所,四川 成都 611734
  • 2.成都华建地质工程科技有限公司,四川 成都 611734
  • 3.中国水利水电科学研究院泥沙研究所,北京 100048
  • 尹国龙(1988-),男,硕士、工程师,研究方向为岩土力学与边坡工程,E-mail:

通讯作者:

乐茂华(1986-),男,博士、高级工程师,研究方向为水力学及河流动力学,E-mail:
Erosion Mechanism of Dam Lands and Flow Characteristics of Dam-Break Under Warping-Dam-Break Conditions in the Loess Plateau
Guo-long YIN1, 2 , Mao-hua LE3 , Jing-song YI1
Affiliations
  • 1.Institute of Exploration Technology, Chinese Academy of Geological Sciences, Chengdu 611734, China
  • 2.Chengdu Huajian Geological Engineering Technology Co., Ltd., Chengdu 611734, China
  • 3.Department of Sediment Research, China Institute of Water Resources and Hydropower Research, Beijing 100048, China
出版时间: 2023-09-25 doi: 10.20040/j.cnki.1000-7709.2023.20230559
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研究淤地坝溃损条件下的坝地侵蚀机理及水沙过程对于淤地坝的建设和后期管护具有重大意义。基于文献调研和实地调查分析,发现淤地坝溃损后的坝地侵蚀主要受坝地土体性质、坝地形成特征及淤地坝溃损模式影响,坝地侵蚀造沟模式可概括为“淤地坝溃损→溯源侵蚀→冲刷下切→沟壁坍塌→水沙混合流”;以山西省吕梁市离石区马槽里#2骨干坝为例,通过数值计算不同淤地工况下淤地坝溃损时的溃口流量过程和水位过程得知,淤地坝溃损条件下的水沙过程受库区的淤地情况显著变化,且坝地具有削峰落沙的作用。

淤地坝  /  溃损条件  /  坝地侵蚀  /  溃口水流

The study of water-sediment processes and dam-land-erosion mechanisms under warping-dam-break conditions is of great significance for the construction and later management of warping dams in the Loess Plateau. Based on the literature research and field investigation, this paper identified the main causes of dam-land-erosion under warpingdam-break conditions, including the nature of the dam soil, the formation characteristics of the dam and the check dam break mode. It proposed that the process of dam erosions and gully erosions after warping dam failures was as follows: “warping dam failure → retrogressive erosion → scouring and undercutting → collapse of gully walls → mixed flow of water and sand”. Taking the #2 main dam in Macaoli of Lishi District in Lvliang City, Shanxi Province as an example, the numerical calculation results indicate that the water-sand process under the condition of warping dam failures was significantly changed by the siltation of the reservoir areas, and the dam lands have the role of shaving peaks and sinking sands.

warping dam  /  dam-break condition  /  dam-lands erosion  /  dam-break flow
尹国龙, 乐茂华, 易靖松. 黄土高原淤地坝溃损条件下坝地侵蚀机理及溃口水流特征. 水电能源科学, 2023 , 41 (9) : 85 -88 . DOI: 10.20040/j.cnki.1000-7709.2023.20230559
Guo-long YIN, Mao-hua LE, Jing-song YI. Erosion Mechanism of Dam Lands and Flow Characteristics of Dam-Break Under Warping-Dam-Break Conditions in the Loess Plateau[J]. Water Resources and Power, 2023 , 41 (9) : 85 -88 . DOI: 10.20040/j.cnki.1000-7709.2023.20230559
  • 国家自然科学基金联合基金项目(U2243237; U22A20237)
2023年第41卷第9期
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doi: 10.20040/j.cnki.1000-7709.2023.20230559
  • 接收时间:2023-04-01
  • 首发时间:2026-01-28
  • 出版时间:2023-09-25
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  • 收稿日期:2023-04-01
  • 修回日期:2023-05-06
基金
国家自然科学基金联合基金项目(U2243237; U22A20237)
作者信息
    1.中国地质科学院探矿工艺研究所,四川 成都 611734
    2.成都华建地质工程科技有限公司,四川 成都 611734
    3.中国水利水电科学研究院泥沙研究所,北京 100048

通讯作者:

乐茂华(1986-),男,博士、高级工程师,研究方向为水力学及河流动力学,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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