Article(id=1223278138105397782, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223278131956551924, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20222458, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1668960000000, receivedDateStr=2022-11-21, revisedDate=1672588800000, revisedDateStr=2023-01-02, acceptedDate=null, acceptedDateStr=null, onlineDate=1769581835533, onlineDateStr=2026-01-28, pubDate=1698163200000, pubDateStr=2023-10-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769581835533, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769581835533, creator=13701087609, updateTime=1769581835533, updator=13701087609, issue=Issue{id=1223278131956551924, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='10', pageStart='1', pageEnd='228', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769581834067, creator=13701087609, updateTime=1769584342407, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223288652869030422, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223278131956551924, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223288652869030423, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223278131956551924, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=141, endPage=144, ext={EN=ArticleExt(id=1223278141024633666, articleId=1223278138105397782, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Effect Analysis of Sharp-bend Reach Regulation Affected by Bi-directional Flow Due to Flood and Tide, columnId=1222925283779400191, journalTitle=Water Resources and Power, columnName=WATER CONSERVANCY AND HYDROPOWER ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

Water and sediment conditions are complicated in waters affected by the interaction of flood and tide. Therefore, the bend regulation in these waters is more difficult and its effect is more uncertain than that of ordinary rivers. This paper aims at the above problems by taking the treatment project of Wenjiayan bend as an example, which lies in Qiantang estuary. This treatment project consisted of the riprap protection at concave bank and retreating dike at the opposite bank combine with the shoal-cutting measure. Based on the observed hydrology and topography data for years, the variation of flow conditions, deep channel distribution, scouring elevation and siltation velocity before and after the project was analyzed. The results show that the bend effect is greatly weakened and flow conditions are improved after the treatment. Meanwhile, the deep channel in the bend reach moves from the foot of the dike to middle. These results can provide reference for measures to similar sharp-bend treatment. Meanwhile, the balance section area after the project implementation was predicted through the methods of river correlation coefficient method and section average statistics. The dredging conditions of the reach were determined, which can provide guidance to operation and maintenance for the subsequent project.

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受洪潮水流交互作用的水域,水沙条件复杂,其弯道治理较一般河流难度更大,实施效果具有更多不确定性。为了解受洪、潮水双向水流作用下的急弯河段治理效果,以钱塘江河口闻家堰段弯道治理为例,在已实施完成的凹岸抛石护岸结合凸岸退堤切滩等综合治理措施的基础上,利用治理前后多年实测水文地形观测资料,综合分析了弯道治理工程实施前后的洪潮水水流条件、深槽分布、冲刷高程、回淤速度等因素变化。结果表明,闻家堰段弯道治理后,其弯道效应大为减弱,水流条件得到改善,深槽分布向江中外移且最低冲刷高程抬高,治理取得了较好的成效,可为类似急弯治理工程提供借鉴。同时,还采用河相关系法和断面平均值统计法对工程实施后的平衡断面进行了预测分析,初步确定了河段清淤条件,可对后续工程的运行维护提供指导。

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李磊岩(1977-),男,硕士、高级工程师,研究方向为河口治理,E-mail:

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李磊岩(1977-),男,硕士、高级工程师,研究方向为河口治理,E-mail:

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洪潮双向水流作用下的急弯河段治理效果分析
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李磊岩 , 包增军 , 何震洲
水电能源科学 | 水利水电工程 2023,41(10): 141-144
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水电能源科学 | 水利水电工程 2023, 41(10): 141-144
洪潮双向水流作用下的急弯河段治理效果分析
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李磊岩 , 包增军, 何震洲
作者信息
  • 浙江省钱塘江流域中心,浙江 杭州 310016
  • 李磊岩(1977-),男,硕士、高级工程师,研究方向为河口治理,E-mail:

Effect Analysis of Sharp-bend Reach Regulation Affected by Bi-directional Flow Due to Flood and Tide
Lei-yan LI , Zeng-jun BAO, Zhen-zhou HE
Affiliations
  • Qiantang River Basin Center of Zhejiang Province, Hangzhou 310016, China
出版时间: 2023-10-25 doi: 10.20040/j.cnki.1000-7709.2023.20222458
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受洪潮水流交互作用的水域,水沙条件复杂,其弯道治理较一般河流难度更大,实施效果具有更多不确定性。为了解受洪、潮水双向水流作用下的急弯河段治理效果,以钱塘江河口闻家堰段弯道治理为例,在已实施完成的凹岸抛石护岸结合凸岸退堤切滩等综合治理措施的基础上,利用治理前后多年实测水文地形观测资料,综合分析了弯道治理工程实施前后的洪潮水水流条件、深槽分布、冲刷高程、回淤速度等因素变化。结果表明,闻家堰段弯道治理后,其弯道效应大为减弱,水流条件得到改善,深槽分布向江中外移且最低冲刷高程抬高,治理取得了较好的成效,可为类似急弯治理工程提供借鉴。同时,还采用河相关系法和断面平均值统计法对工程实施后的平衡断面进行了预测分析,初步确定了河段清淤条件,可对后续工程的运行维护提供指导。

洪潮水流  /  急弯河道  /  河道治理  /  深槽分布  /  回淤特征

Water and sediment conditions are complicated in waters affected by the interaction of flood and tide. Therefore, the bend regulation in these waters is more difficult and its effect is more uncertain than that of ordinary rivers. This paper aims at the above problems by taking the treatment project of Wenjiayan bend as an example, which lies in Qiantang estuary. This treatment project consisted of the riprap protection at concave bank and retreating dike at the opposite bank combine with the shoal-cutting measure. Based on the observed hydrology and topography data for years, the variation of flow conditions, deep channel distribution, scouring elevation and siltation velocity before and after the project was analyzed. The results show that the bend effect is greatly weakened and flow conditions are improved after the treatment. Meanwhile, the deep channel in the bend reach moves from the foot of the dike to middle. These results can provide reference for measures to similar sharp-bend treatment. Meanwhile, the balance section area after the project implementation was predicted through the methods of river correlation coefficient method and section average statistics. The dredging conditions of the reach were determined, which can provide guidance to operation and maintenance for the subsequent project.

flood and tide flow  /  sharply curved channel  /  river regulation  /  talweg distribution  /  siltation characteristic
李磊岩, 包增军, 何震洲. 洪潮双向水流作用下的急弯河段治理效果分析. 水电能源科学, 2023 , 41 (10) : 141 -144 . DOI: 10.20040/j.cnki.1000-7709.2023.20222458
Lei-yan LI, Zeng-jun BAO, Zhen-zhou HE. Effect Analysis of Sharp-bend Reach Regulation Affected by Bi-directional Flow Due to Flood and Tide[J]. Water Resources and Power, 2023 , 41 (10) : 141 -144 . DOI: 10.20040/j.cnki.1000-7709.2023.20222458
  • 浙江省水利厅科技计划项目(RC1203)
2023年第41卷第10期
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doi: 10.20040/j.cnki.1000-7709.2023.20222458
  • 接收时间:2022-11-21
  • 首发时间:2026-01-28
  • 出版时间:2023-10-25
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  • 收稿日期:2022-11-21
  • 修回日期:2023-01-02
基金
浙江省水利厅科技计划项目(RC1203)
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    浙江省钱塘江流域中心,浙江 杭州 310016
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2种不同金属材料的力学参数

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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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