58云南水力发电YUNNANWATERPOWER第40卷第3期*收稿日期:2023-06-05作者简介:金科(1991-),男,湖北孝感人,工程师,主要从事水利工程设计等工作。基于三维有限元分析的边荷载对水闸结构应力影响研究金科(惠州市华禹水利水电工程勘测设计有限公司,广东惠州516000)摘要:某水闸位于惠州市沙河,是1座宽6m的单孔水闸。闸室为压型钢筋混凝土底板的墩墙结构,施工期间闸室充排水时,发现闸室出现了较大的不均匀沉降。根据水闸的设计、施工等具体情况,采用三维有限元方法对水闸的沉降进行了计算分析,研究了不均匀沉降的成因,并对闸后沉降进行了预测。由于洞室自重已基本完成沉降,不会有实质性沉降;在运行期堵水情况下,洞室在河外侧和河内侧的沉降增量分别为0.3mm和0.4mm;通过处理,闸室沉降不会影响水闸的正常运行。关键词:三维有限元分析;边荷载;水闸结构;应力分析中国分类号:TV698.2+2文献标识码:A文章编号:1006-3951(2024)03-0058-04DOI:10.3969/j.issn.1006-3951.2024.03.016ResearchontheInfluenceofEdgeLoadonStressofSluiceStructureBasedon3DFiniteElementAnalysisJINKe(HuizhouCityHuayuWaterResourcesandHydropowerEngineeringSurveyandDesignCo.,Ltd.,Huizhou516000,China)Abstract:AcertainwatergateislocatedinShahe,HuizhouCity,andisasingleholewatergatewithawidthof6m.Thegatechamberisapierwallstructurewithapressedreinforcedconcretebottomplate.Duringtheconstructionperiod,itwasfoundthattherewassignificantunevensettlementinthegatechamberduringthefillinganddrainage.Basedonthespecificsituationofthedesignandconstructionofthewatergate,thispaperusesthethree-dimensionalfiniteelementmethodtocalculateandanalyzethesettlementofthewatergate,studiesthecausesofunevensettlement,andpredictsthesettlementbehindthegate.Duetothefactthattheselfweightofthecavehasbasicallycompletedsettlement,therewillbenosubstantialsettlement.Undertheconditionofwaterblockageduringoperation,thesettlementincrementofthetunnelontheouterandinnersidesoftheriveris0.3mmand0.4mm,respectively.Throughtreatment,thesettlementofthegatechamberwillnotaffectthenormaloperationofthewatergate.Keywords:three-dimensionalfiniteelementanalysis;sideload;sluicestructure;stressanalysis0引言某水闸...