23天焊接10496条焊缝 昌九高铁共青城东站钢结构完成顶升|夜夜穞天天穞狠狠穞AV美女按摩
中新网江西共青城7月10日电 (华山 付婷 谈重生)9日,由中铁建工集团承建的昌九高铁共青城东站项目迎来新进展——站房屋盖钢结构网架历经48小时顺利完成整体顶升施工。这标志着站房正式转入金属屋面及装饰装修施工阶段,为后续站房顺利完工奠定坚实基础。
共青城东站位于九江市共青城市江益镇增垄村,总建筑面积9980平方米,采用线侧平式站房设计,站场规模为2台4线,进出站模式为下进下出。建筑以“旭日东升,勇立潮头”为理念,立面采用仿潮水造型,既呼应鄱阳湖水景,又彰显城市进取精神。

中铁建工集团共青城东站项目负责人王强向记者介绍,此次提升的屋盖钢结构网架总长度105米、总宽度47米、总重472吨,最大顶升高度达19米,最大顶升重量427吨,集“网架跨度大、曲面拼装定位难、焊接构件数量多、高空作业风险高、高温时段长”等施工难度于一体。
王强还介绍,“我们的前期施工团队仅用23天就高效完成了1332个焊接球、5248根杆件的拼装及10496条焊缝的焊接工作,为此次顺利提升打好基础。”
据了解,为克服施工难题,项目团队采用“地面整体拼装+液压同步顶升+高空局部对拼”的组合施工法。地面拼装阶段,采用原位拼接工艺,将网架在地面完成整体组装后再进行顶升,减少了高空作业量。

昌九城际铁路公司昌九指挥部高级工程师党培介绍,昌九高铁全线已施工标段完成投资计划的81%。下一步,将全面进入无砟轨道铺设阶段,预计2027年3月具备开通条件。
昌九高铁正线全长138公里,设计时速350公里,是国家《中长期铁路网规划》“八纵八横”高铁主通道京港台通道的重要组成部分。建成通车后,对于江西省打造“昌九一体化”综合交通运输体系、进一步对接融入粤港澳大湾区,助力实施长江经济带发展战略,推动沿线经济社会高质量发展具有重要意义。(完)
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