Article(id=1311351307588432287, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1311351152067830064, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2026.20250383, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1741017600000, receivedDateStr=2025-03-04, revisedDate=1744300800000, revisedDateStr=2025-04-11, acceptedDate=1744819200000, acceptedDateStr=2025-04-17, onlineDate=1790580115457, onlineDateStr=2026-09-28, pubDate=1769270400000, pubDateStr=2026-01-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1790580115457, onlineIssueDateStr=2026-09-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1790580115457, creator=13701087609, updateTime=1790580115457, updator=13701087609, issue=Issue{id=1311351152067830064, tenantId=1146029695717560320, journalId=1205116964453384197, year='2026', volume='44', issue='1', pageStart='1', pageEnd='246', issueExtLink='null', onlineDate='null', pubDate='1769270400000', pubDateStr='2026-01-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1790580078378, creator='13701087609', updateTime=1790588459421, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1311386304772927717, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1311351152067830064, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1311386304772927718, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1311351152067830064, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=232, endPage=236, ext={EN=ArticleExt(id=1311351309303902625, articleId=1311351307588432287, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Numerical Study on Local Scour Around Spur Dikes Under Clear-Water Conditions, columnId=null, journalTitle=Water Resources and Power, columnName=null, runingTitle=null, highlight=null, articleAbstract=

The spur dikes are widely applied in marine and estuarine engineering projects, and its surrounding local sediment scouring and silting characteristics directly affects the safety and stability of the project. Existing studies primarily rely on physical experiments or empirical prediction formulas, lacking a deep understanding of the flow structure and sediment transport patterns. Based on the software Delft3D, this paper presents a numerical simulation of the local sediment scouring and silting characteristics of spur dikes under clear water conditions and performs reliability verification. The sediment scouring and siltation characteristics of single dam and spur dike are compared. The diversion characteristics, local bed shear stress and local sediment scouring and siltation patterns of the spur dikes are analyzed, and the impact of dam length and flow velocity is discussed. The results show that the when the spur dike spacing decreases by 40 m, the maximum dimensionless shear stress increases from 2.56 to 7.48. An increase of flow velocity further expands the flow diversion range and the density of streamlines, with the maximum dimensionless shear stress rising from 3.17 to 5.60; The increase is approximately 76.7%, and the area percentage of high shear stress zones increases from 20.27% to 34.44%. Additionally, when the spur dike spacing is reduced by 20 m, the maximum scour value at the dam head increases by approximately 45.89% to 59.92%; When the flow velocity increases, the maximum scour value increases by about 13.41%, while the scour pit area expands and the sediment deposition area spreads. This study can provide theoretical support for optimizzation design of spur dikes.

, authors=Qiang GUO¹, De-ping ZHAO¹, Xiao-wei HUANG¹, Guo-qiang TANG², Si-di LIU², Xiao-hui YAN², authorsList=Qiang GUO, De-ping ZHAO, Xiao-wei HUANG, Guo-qiang TANG, Si-di LIU, Xiao-hui YAN, authorCompany=null, correspAuthors=Xiao-hui YAN, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1311351309660418467, articleId=1311351307588432287, tenantId=1146029695717560320, journalId=1205116964453384197, language=CN, title=清水条件下对口挑流坝局部冲刷的数值研究, columnId=1311351300168708467, journalTitle=水电能源科学, columnName=治河工程与防洪工程, runingTitle=null, highlight=null, articleAbstract=

对口挑流坝在海洋、河口等工程中应用广泛，其周围的局部泥沙冲淤特性直接影响工程的安全和稳定。已有研究工作大多基于物理实验观测或经验预报公式，缺乏对其流动结构和泥沙运移规律的深刻认识。为此，基于Delft3D软件构建了清水条件下对口挑流坝局部泥沙冲淤数值模型，在验证模型准确性后，将单坝和对口挑流坝泥沙冲淤特性进行对比，分析了对口挑流坝的挑流特性、局部床面剪切应力和局部泥沙冲淤形态，并探讨了坝长和流速对其影响。结果表明，对口挑流坝坝间距减小40 m最大无量纲切应力值由2.56增至7.48；而流速增大则进一步扩大绕流范围和流线密集度，最大无量纲切应力由3.17增至5.60，增幅约76.7%，高切应力区域的面积占比由20.27%扩大至34.44%。此外，坝间距减小20 m时坝头最大冲刷值增幅约为45.89%~59.92%，流速增大时最大增幅约为13.41%，同时冲刷坑范围扩大、淤积区域扩散。研究结果为优化对口挑流坝设计提供了理论支撑。

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郭强（1980-），男，硕士、高级工程师，研究方向为工程水力设计优化，E-mail: csgguo163@163.com

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郭强（1980-），男，硕士、高级工程师，研究方向为工程水力设计优化，E-mail: csgguo163@163.com

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