输电铁塔节点滑移分析

输电铁塔节点滑移分析

ID:37676207

大小:1.69 MB

页数:11页

时间:2019-05-28

输电铁塔节点滑移分析_第1页
输电铁塔节点滑移分析_第2页
输电铁塔节点滑移分析_第3页
输电铁塔节点滑移分析_第4页
输电铁塔节点滑移分析_第5页
资源描述:

《输电铁塔节点滑移分析》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库

1、EngineeringStructures33(2011)1817–1827ContentslistsavailableatScienceDirectEngineeringStructuresjournalhomepage:www.elsevier.com/locate/engstructAccuratemodelingofjointeffectsinlatticetransmissiontowersW.Q.Jianga,Z.Q.Wanga,G.McClureb,∗,G.L.Wangc,J.D.GengdaEnergy&PowerEngineeringSchool,NorthChinaElec

2、tricPowerUniversity,BaoDing071003,ChinabDepartmentofCivilEngineeringandAppliedMechanics,McGillUniversity,Montreal,CanadaH3A2K6cGuizhouElectricPowerDesignResearchInstitute,Guizhou550002,ChinadChinaElectricPowerResearchInstitute,Beijing102401,ChinaarticleinfoabstractArticlehistory:LatticeTransmissiont

3、owersarevitalcomponentsofoverheadtransmissionlineswhichplayanimportantReceived16September2010roleintheoperationofelectricalpowersystems.AccuratepredictionofthestructuralcapacityoflatticeReceivedinrevisedformtowersunderdifferentfailuremodesisveryimportantforaccurateassessmentofthereliabilityof19Febru

4、ary2011transmissionlinesandpowergrids,andfordesignofefficientfailurecontainmentmeasures.Traditionally,Accepted21February2011latticetowersareanalyzedasidealtrussesorframe-trusssystemswithoutexplicitlyconsideringloadingAvailableonline23March2011eccentricitiesandslippageeffectsinboltedjoints.Sucheffect

5、sarealwaysobservedinfull-scaletowertestsandintroducegreatdifferencesintheultimatebearingcapacityandfailuremodesobtainedfromKeywords:classicallinearanalysismodels.Inthispaperexperimentalresultsavailablefromfull-scaleprototypetestsLatticetransmissiontowerJointeccentricityofasingle-circuit110kVandasing

6、le-circuit220kVlatticetransmissiontowerssubjectedtodifferentloadBoltedjointslippagecasesarepresentedandcomparedwiththoseobtainedfromfourseriesofnumericalmodelsthatincludeBearingcapacityjointeccentricityeffectsanddifferentjointslippagemodels.ThenumericalsimulationresultsconfirmPushoveranalysisthatjoi

7、ntslippagedramaticallyincreasesthedeformationofthelatticetowers,whileitsinfluenceonload-bearingcapacitywillvaryindifferentloadcasesaccordingtothemagnitudeofverticalloadingandthetowerfailuremode.Result

当前文档最多预览五页,下载文档查看全文

此文档下载收益归作者所有

当前文档最多预览五页,下载文档查看全文
温馨提示:
1. 部分包含数学公式或PPT动画的文件,查看预览时可能会显示错乱或异常,文件下载后无此问题,请放心下载。
2. 本文档由用户上传,版权归属用户,天天文库负责整理代发布。如果您对本文档版权有争议请及时联系客服。
3. 下载前请仔细阅读文档内容,确认文档内容符合您的需求后进行下载,若出现内容与标题不符可向本站投诉处理。
4. 下载文档时可能由于网络波动等原因无法下载或下载错误,付费完成后未能成功下载的用户请联系客服处理。