河道清淤防洪治理中的涉水施工措施分析.pdf

云南水力发电第 40 卷

122YUNNANWATERPOWER第 11 期

河道清淤防洪治理中的涉水施工措施分析

林达周

（广东广基建设集团有限公司，广东 廉江 524400）

摘要：河道清淤疏浚中往往涉及到涉水施工作业，复杂的周边环境会给施工安全质量带来了风险，研究涉水

清淤疏浚作业有重要意义。息安河河道水土流失比较严重，致使河道淤积严重，河底不断抬高，亟须进行清淤

疏浚，来改善河流生态环境。针对上游段天然断面狭小且弯曲不顺，使河道排水不畅的问题，采用河道清淤疏

浚采用梯形断面，下游河道淤积比较严重，河道中间以致出现了较大面积的滩地，采用河道清淤疏浚采用复式

断面。重点针对涉水清淤施工阶段，使用节水绞吸船清淤施工、水上挖掘机采用纵向分条挖泥，而在每一条中

采用横向排斗、依次前移的方法的清淤工艺方案。

关键词：河道；清淤疏浚；涉水施工；河道防洪

中图分类号：TV87        文献标识码：A        文章编号：1006-3951(2024)11-0122-03

DOI：10.3969/j.issn.1006-3951.2024.11.029

AnalysisofWaterrelatedConstructionMeasuresinRiverDredgingand

FloodControlManagement

LINDazhou

(GuangdongGuangjiConstructionGroupCo.,Ltd,Lianjiang524400,China)

Abstract:Riverdredgingofteninvolveswaterrelatedconstructionoperations,andthecomplexsurrounding

environmentposesriskstoconstructionsafetyandquality.Therefore,studyingwaterrelateddredgingoperations

isofgreatsignificance.ThewaterandsoilerosionintheXianRiverisquiteserious,resultinginseveresiltation

oftheriverandcontinuouselevationoftheriverbed.Itisurgenttocarryoutdredginganddredgingtoimprove

theecologicalenvironmentoftheriver.Inresponsetotheproblemofnarrowandunevennaturalcross-sectionsin

theupstreamsection,whichleadstopoordrainageintheriver,atrapezoidalcross-sectionriverdredgingmethod

isadopted.However,thedownstreamriverchannelisseverelysilted,resultinginalargeareaofbeachlandinthe

middleoftheriver.Therefore,acompoundcross-sectionisusedfordredginganddredgingoftheriverchannel.

Forthewaterdredgingconstructionstage,w