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ID:36537390
大小:1.15 MB
页数:6页
时间:2019-05-11
《公路悬索桥预防性养护技术》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、桥梁建设2014年第44卷第2期(总第225期)BridgeConstruction,Vo1.44,No.2,2014(TotallyNo.225)101文章编号:1003—4722(2014)02—0101—06公路悬索桥预防性养护技术白山云,陈开利,陈杰。,高翔(1.湖北沪蓉西高速公路建设指挥部,湖北恩施445000;2.中铁大桥局集团有限公司,湖北武汉430050;3.中交路桥技术有限公司,北京100011)摘要:对桥梁实施预防性养护技术,可以有效地延长桥梁的使用周期寿命,降低养护成本,促进节约型桥梁建设的快速发展。以湖北沪蓉西高速公路四渡河特大桥为例,介
2、绍了公路悬索桥预防性养护的方法、措施以及常见病害的处治办法。做好桥梁巡查是预防性养护的重要措施之一,对于悬索桥,锚碇、主缆索、吊索、索鞍、加劲梁、桥塔等是日常巡查的重点;采用先进的仪器设备建立桥梁结构的安全与健康监测系统,也是预防性养护的重要措施;养护作业是预防性养护的重要手段,应针对悬索桥锚室、主缆索、吊索、钢桁加劲梁、桥塔等分别进行养护作业,如发现常见病害应采取相应的处治办法。关键词:悬索桥;钢桁梁;主缆;锚室;吊索;预防性养护;养护作业中图分类号:U448.25;U445.7文献标志码:APreventiveMaintenanceTechniquesfor
3、HighwaySuspensionBridgesBAIShan-yun,CHENKai—li。,CHENJie。,GAOXiang(1.ConstructionHeadquartersofWestSectionofShanghai—ChengduExpresswayinHubei.Enshi445000,China;2.ChinaRailwayMajorBridgeEngineeringGroupCo.,Ltd.,Wuhan430050,China;3.CCCCRoadandBridgeConsultantsCo.,Ltd.,Beijing100011,Chin
4、a)Abstract:Toimplementthepreventivemaintenancetechniquesforbridgescaneffectivelyprolongtheservicelifecyclesofthebridges,reducethemaintenancecostandcanpromotetherapiddevelopmentofconstructionofthecost—savingbridges.Inthispaper,theSiduRiverBridgeonthewestsectionofShanghai—ChengduExpres
5、swayinHubeiiscitedasanexample,themeth—odsandmeasuresforthepreventivemaintenanceofhighwaysuspensionbridgesandthemethodsforhandlingofcommondeteriorationsofthebridgesarepresented.Agoodtourinspectionofthebridgesisoneoftheimportantmeasuresforthepreventivemaintenance.ForthehighwaySUS—pensi
6、onbridges,theanchorage,maincables,suspenders,cablesaddles,stiffeninggirdersandtowersaretheimportantpartsthatrequireroutineinspection.Thecreationofthestructuralsafe—tyandhealthmonitoringsystemsforthebridges,usingtheadvancedinstrumentationandequip—ment,isalsoanimportantmeasure.Thespeci
7、ficmaintenanceoperationistheimportantmeansforthepreventivemaintenance,theoperationshouldbecarriedoutrespectivelyinaccordancewiththedifferentpartsoftheanchoragechambers,maincables,suspenders,stiffeningsteeltrussgirdersandtowersandincasethecommondeteriorationsarefound,thecorresp0ndingb
8、an—dlingmeth
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