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Back中国最北电气化铁路改造工程取得新进展
中国最北电气化铁路改造工程取得新进展
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中国新闻网1 hour agoBusiness2 min readChinaView translation

中国最北电气化铁路改造工程取得新进展

富加铁路改造工程讷谟尔河特大桥首联连续梁浇筑完成

富加铁路讷谟尔河特大桥电气化铁路

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9月23日，富裕至加格达奇铁路改造工程讷谟尔河特大桥首联连续梁混凝土浇筑作业完成，标志着我国最北电气化铁路改造工程桥梁进入上部结构施工阶段。

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Why It Matters

富裕至加格达奇铁路改造工程是我国最北电气化铁路改造项目。

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中新网齐齐哈尔9月23日电 (王德林 常永梅)9月23日，富裕至加格达奇铁路(富加铁路)改造工程讷谟尔河特大桥首联连续梁混凝土浇筑作业完成，标志着我国最北电气化铁路改造工程桥梁进入上部结构施工阶段。

讷谟尔河特大桥位于讷河市境内，横跨讷谟尔河中下游，全长2.07公里，是富加铁路全线控制性工程。该桥连续梁为跨越讷谟尔河南北防护大堤及防汛通道而设，每联三跨，全长144米，混凝土方量1200立方米。

讷谟尔河特大桥首联连续梁混凝土浇筑作业完成。 王治 摄

最大的难点是邻近营业线施工安全风险极高、3000吨混凝土重量对支架的均衡承载要求极高，不均匀沉降易导致梁体开裂；同时混凝土方量大，浇筑持续时间长，混凝土供应、连续泵送组织难度高。

中铁二十局项目团队构建“现场专人防护+远程视频实时监控”双重管控体系，对支架搭设、钢筋绑扎、混凝土浇筑、养护等各工序全过程盯控。同时，优化施工组织方案，按总重量的1.2倍堆载，对连续梁组合支架做试压，技术人员每天进行沉降观测、数据分析，确保安全可靠组织混凝土浇筑。

施工过程中安排专人对进场的每罐混凝土进行检测，实行三班倒作业、分层分段对称法浇筑一次性顺利完工，创下富加铁路改造工程单次连续梁浇筑施工新纪录，拉开了全线桥梁上部结构施工序幕。

当前项目正高效、有序推进新建车站、配套设施、站场升级、桥涵改造等各项施工任务。

据了解，富加铁路改造后，线路最高运行时速可达160公里，加格达奇至哈尔滨最快运行时间将缩短3个多小时，极大便利沿线民众出行。(完)

Open Questions

  • 富加铁路改造工程预计何时全面完工？

Related Topics

富加铁路
People王德林常永梅王治
Organizations中新网中铁二十局
Places齐齐哈尔讷谟尔河讷河市加格达奇
Topics讷谟尔河特大桥电气化铁路铁路改造中铁二十局
This article was originally published by 中国新闻网.

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