为解决G213线车辙、龟裂、局部横向裂缝、沉陷、坑槽、骨料外露、交安设施老化等病害问题,松潘加快解放村至汶川交界中修工程建设,预计7月30日完工。
该中修工程总投资4698万元,总里程52.217公里,涉及松潘、茂县两县,其中,茂县境内6段,共49.217公里,2021年5月正式开工。工程采用铣刨老路面、摊铺新面层方式,对道路沉陷、横向裂缝、网裂、车辙等路面病害进行集中处置。施工期间采取半幅通车,半幅施工方式作业。
目前,茂县境内已完成4厘米厚细粒式SBS改性沥青混凝土AC-13C面层全幅铺筑17500余米,普通中粒式沥青混凝土AC-16C全幅铺筑1500余米,路面全幅铣刨21000余米,水泥碎石稳定层全幅铺筑250余米,完成飞虹一号大桥14根桥桩永久性钢护筒加固维修,完成飞虹一号大桥、两河口岷江大桥桥面伸缩缝更换,安装波形护栏1568米。
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