Article(id=1222940991766646799, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1222940980886626474, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20230019, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1672848000000, receivedDateStr=2023-01-05, revisedDate=1676390400000, revisedDateStr=2023-02-15, acceptedDate=null, acceptedDateStr=null, onlineDate=1769501453581, onlineDateStr=2026-01-27, pubDate=1700841600000, pubDateStr=2023-11-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769501453581, onlineIssueDateStr=2026-01-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769501453581, creator=13041195026, updateTime=1769501453581, 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=35, endPage=38, ext={EN=ArticleExt(id=1222940992722948134, articleId=1222940991766646799, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Scour Characteristics at the Toe of Xijiangtang Seawall in Qiantang Estuary, columnId=1222925279849341011, journalTitle=Water Resources and Power, columnName=HYDROLOGY, WATER RESOURCES AND ENVIRONMENT, runingTitle=null, highlight=null, articleAbstract=

The scour of seawall toe is the one of the main factors for influencing structural stability of seawall estuary. The study of the scour characteristics at seawall toe under complex hydrodynamics and prediction method is of great significance for the seawall stability. Based on the field monthly measured topographic data since 2010, the time evolution of toe scour at Xijiangtang Seawall in Qiantang Estuary was discussed and the influence of flood was identified. The research results show that the seawall toe is eroded during flood, while there is silting during tide, and the critical flood discharge for scouring is about 5 000 m3/s. Based on the theory of sediment carrying capacity and riverbed deformation, a new scour prediction method is developed and the relative error is significantly improved within 20%.

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海塘塘脚冲刷是影响河口海塘结构稳定的主要因素之一。准确把握河口区复杂水动力下海塘塘脚冲淤规律并提出精准的海塘塘脚冲刷预测方法,对保障海塘工程安全起着重要作用。为此,以钱塘江河口西江塘海塘为例,利用2010年以来的逐月实测断面监测资料,分析了海塘塘脚冲淤的变化规律,并基于悬移质挟沙力输沙和河床变形理论,提出了基于过程的非恒定水流下塘脚冲刷预测方法,利用该方法计算了其塘脚冲刷深度。结果表明,西江塘段海塘呈现洪冲潮淤的变化规律,其塘脚冲刷的临界径流量约为5 000 m3/s,冲刷预测误差可降低到20%以内,预测精度得到明显提升。

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曾剑(1974-),男,博士、正高级工程师,研究方向为河口海岸水沙动力学,E-mail:
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张芝永(1984-),男,博士、高级工程师,研究方向为涉水工程局部水动力及冲刷,E-mail:

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张芝永(1984-),男,博士、高级工程师,研究方向为涉水工程局部水动力及冲刷,E-mail:

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张芝永(1984-),男,博士、高级工程师,研究方向为涉水工程局部水动力及冲刷,E-mail:

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钱塘江河口西江塘海塘塘脚冲淤特性研究
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张芝永 1, 2 , 陈甫源 1, 2 , 曾剑 1, 2 , 杨元平 1, 2 , 何昆 1, 2
水电能源科学 | 水文水资源与环境 2023,41(11): 35-38
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水电能源科学 | 水文水资源与环境 2023, 41(11): 35-38
钱塘江河口西江塘海塘塘脚冲淤特性研究
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张芝永1, 2 , 陈甫源1, 2, 曾剑1, 2 , 杨元平1, 2, 何昆1, 2
作者信息
  • 1.浙江省水利河口研究院(浙江省海洋规划设计研究院),浙江 杭州 310020
  • 2.浙江省河口海岸重点实验室,浙江 杭州 310020
  • 张芝永(1984-),男,博士、高级工程师,研究方向为涉水工程局部水动力及冲刷,E-mail:

通讯作者:

曾剑(1974-),男,博士、正高级工程师,研究方向为河口海岸水沙动力学,E-mail:
Scour Characteristics at the Toe of Xijiangtang Seawall in Qiantang Estuary
Zhi-yong ZHANG1, 2 , Fu-yuan CHEN1, 2, Jian ZENG1, 2 , Yuan-ping YANG1, 2, Kun HE1, 2
Affiliations
  • 1.Zhejiang Institute of Hydraulics and Estuary, Hangzhou 310020, China
  • 2.Key Laboratory of Estuary and Coast of Zhejiang Province, Hangzhou 310020, China
出版时间: 2023-11-25 doi: 10.20040/j.cnki.1000-7709.2023.20230019
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海塘塘脚冲刷是影响河口海塘结构稳定的主要因素之一。准确把握河口区复杂水动力下海塘塘脚冲淤规律并提出精准的海塘塘脚冲刷预测方法,对保障海塘工程安全起着重要作用。为此,以钱塘江河口西江塘海塘为例,利用2010年以来的逐月实测断面监测资料,分析了海塘塘脚冲淤的变化规律,并基于悬移质挟沙力输沙和河床变形理论,提出了基于过程的非恒定水流下塘脚冲刷预测方法,利用该方法计算了其塘脚冲刷深度。结果表明,西江塘段海塘呈现洪冲潮淤的变化规律,其塘脚冲刷的临界径流量约为5 000 m3/s,冲刷预测误差可降低到20%以内,预测精度得到明显提升。

河口  /  塘脚冲刷  /  挟沙力  /  预测方法

The scour of seawall toe is the one of the main factors for influencing structural stability of seawall estuary. The study of the scour characteristics at seawall toe under complex hydrodynamics and prediction method is of great significance for the seawall stability. Based on the field monthly measured topographic data since 2010, the time evolution of toe scour at Xijiangtang Seawall in Qiantang Estuary was discussed and the influence of flood was identified. The research results show that the seawall toe is eroded during flood, while there is silting during tide, and the critical flood discharge for scouring is about 5 000 m3/s. Based on the theory of sediment carrying capacity and riverbed deformation, a new scour prediction method is developed and the relative error is significantly improved within 20%.

estuary  /  seawall toe scour  /  sediment carrying capacity  /  prediction method
张芝永, 陈甫源, 曾剑, 杨元平, 何昆. 钱塘江河口西江塘海塘塘脚冲淤特性研究. 水电能源科学, 2023 , 41 (11) : 35 -38 . DOI: 10.20040/j.cnki.1000-7709.2023.20230019
Zhi-yong ZHANG, Fu-yuan CHEN, Jian ZENG, Yuan-ping YANG, Kun HE. Scour Characteristics at the Toe of Xijiangtang Seawall in Qiantang Estuary[J]. Water Resources and Power, 2023 , 41 (11) : 35 -38 . DOI: 10.20040/j.cnki.1000-7709.2023.20230019
  • 浙江省自然科学基金水利联合基金重大项目(LZJWD22E090002)
  • 浙江省水利河口研究院院长基金(ZIHE21Z007)
  • 浙江省省属科研院所扶持专项(河口A21014)
2023年第41卷第11期
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doi: 10.20040/j.cnki.1000-7709.2023.20230019
  • 接收时间:2023-01-05
  • 首发时间:2026-01-27
  • 出版时间:2023-11-25
补充材料
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出版历史
  • 收稿日期:2023-01-05
  • 修回日期:2023-02-15
基金
浙江省自然科学基金水利联合基金重大项目(LZJWD22E090002)
浙江省水利河口研究院院长基金(ZIHE21Z007)
浙江省省属科研院所扶持专项(河口A21014)
作者信息
    1.浙江省水利河口研究院(浙江省海洋规划设计研究院),浙江 杭州 310020
    2.浙江省河口海岸重点实验室,浙江 杭州 310020

通讯作者:

曾剑(1974-),男,博士、正高级工程师,研究方向为河口海岸水沙动力学,E-mail:
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https://castjournals.cast.org.cn/joweb/sdnykx/CN/10.20040/j.cnki.1000-7709.2023.20230019
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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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