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长沙三汊矶大桥今起施工更换伸缩缝 交通半封闭

发布作者:湖南省小额贷款公司协会 发布日期:2015-12-17

长沙三汊矶大桥今起施工更换伸缩缝 交通半封闭


  三汊矶大桥西端720型伸缩缝更换工程今日正式动工,预计明年1月20日完工,期间将对三汊矶大桥采取半封闭施工。交通分流方案将由交警部门权威发布,市民请注意合理安排出行。

  三汊矶大桥西起潇湘大道,东止湘江大道,全长1577米,为自锚式悬索大桥,地处长沙市北二环线,横跨湘江,大桥西端720型伸缩缝是长沙市城区最大型号的伸缩缝,结构复杂,质量要求高。市路桥处相关负责人介绍,该伸缩缝使用了近10年,因过桥车辆超速与超载行驶,日常的维护维修并不能从根本上解决问题,必须采用更换的方式彻底消除安全隐患。

  此次更换伸缩缝为主桥西端9号墩双幅720毫米仿毛勒型钢伸缩缝,长度共计29米。实施内容包括凿除两侧锚固砼及部分桥面结构,拆除原有伸缩缝及建筑垃圾外运,钢筋拆除及安装工程,锚固砼及桥面结构层浇筑工程,伸缩缝制作及安装工程,交通组织等。

 



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