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  中新网北京10月31日电 (记者 贾天勇)记者从中国铁路北京局集团有限公司获悉:10月31日上午,在位于河北省保定市的石雄铁路定州区段建设现场,经过大型机械精准控制,首榀重达数百吨的预制箱梁稳稳落于桥墩上,标志着石雄铁路建设进入桥梁架设阶段,为后续无砟轨道铺设打下了坚实基础。

石雄铁路箱梁架设现场。中国铁路北京局集团有限公司 供图

  为确保箱梁架设顺利进行,京津冀城际铁路投资有限公司组织各参建单位主动攻关,以“智能化、高效化、绿色化”为导向,打造全流程智能化建造体系:采用智能震动上料系统实现砂石骨料精准配比与匀速输送,从源头保障混凝土品质;在施工中应用橡胶棒拔管穿管机实现管道铺设自动化,彻底消除人工误差。大量智能装备的投入应用,使得箱梁从建造到架设实现了“精准化、标准化、高效化”,为后续施工开展创造了良好条件。

  据悉,石雄铁路起自石家庄枢纽新建裕华东站,经石家庄市高新区、正定县、无极县、安国市、蠡县等地,接入京广高铁保定东站在建雄忻高铁场,并利用雄忻高铁引入雄安站。石雄铁路线路设计时速350公里每小时,由京津冀城际铁路投资有限公司建设。线路通车后,对完善京石通道现代化综合交通运输体系布局、贯彻落实京津冀协同发展国家战略、助力雄安新区建设具有重要意义。(完)

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