近日,由铁建重工研制的塞尔维亚首台双护盾TBM顺利始发,标志我国自主研发的掘进机走出国门首次应用到海外矿业领域。

工程全段采用盾构法施工,设备整机长度310米,整机重量1600吨,装机功率4763千瓦。隧洞全程掘进8324.23米,埋深15~220米,最小转弯半径700米,隧洞开挖断面直径5.49米,采用预制混凝土管片衬砌,衬砌后洞径4.64米。本工程掘进机需下穿铁路,并从矿区旁侧穿过,同时还需穿越多条断层破碎带,施工条件较复杂。

为保证设备顺利完成掘进任务,铁建重工对掘进机刀盘、管片拼装、后配套系统等多个系统进行了优化设计,并配备了超前注浆系统,建立了备品备件库,制定了项目全生命周期解决方案,由经验丰富的掘进机技术服务人员全程保驾服务。

疫情期间,铁建重工塞尔维亚项目全体员工发扬铁建人“逢山凿路、遇水架桥”的精神,不畏艰难险阻,从设备发运、转运至现场组装调试,加班加点连续奋战,确保每个节点顺利完成,得到了业主的高度赞扬。
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