测量机器人等“黑科技”助力 哈尔滨一转体桥完成“毫米级”转体|日韩欧美台湾成人17c
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中新网哈尔滨11月4日电 (记者 姜辉)近日,哈尔滨都市圈环线高速西南环段上跨京哈铁路转体桥顺利完成“毫米级”转体,与项目主线实现完美衔接。这一关键节点的突破,为哈尔滨都市圈环线西南环段项目建设按下了“加速键”,将有力推动项目全线建成通车进程。

作为哈尔滨都市圈环线西南环段节点性控制工程之一的转体桥,其上跨的京哈铁路高峰时段平均每10分钟就有一趟列车通过,对转体施工的时间控制、角度调节与平衡性提出了极为严苛的要求。
为确保京哈铁路安全运行并实现平稳、安全转体,项目管理团队采用“先满堂支架现浇后转体”施工方案,提前在京哈铁路两侧完成T构箱梁现浇作业,在铁路部门规定“窗口期”分三阶段实施“双侧双转”同步转体,最大限度降低施工对铁路行车的影响。在转体精度控制上,构建起“监测-分析-纠偏”全链条智能管控体系,创新搭建基于5G的BIM与数字孪生智能监控平台,全过程保障转体安全平稳。其中,集成测量机器人、物联网无线传输、AI技术等“黑科技”,实时采集风速、角速度等关键参数,同步显示梁体姿态、标高及关键部位应力变化,采用的智能连续牵引系统精准控制转速,结合北斗定位系统进行实时监测轴线偏差,将偏差严格控制在5毫米内,依托智能纠偏系统每30秒采集一次姿态数据,并通过专项计算程序动态优化转体参数,进一步提升转体控制的精准性与安全性。最终,在4台液压连续张拉千斤顶的精准牵引下,转体桥左幅桥梁逆时针转动87.4度、右幅桥梁逆时针转动86.4度后,圆满完成“毫米级”转体施工。

目前,哈尔滨都市圈环线西南环段项目路基工程、桥梁工程、基层、面层分别完成99%、92%、85%、58%,节点性工程松花江特大桥完成整体进度92%,正在进行吊索施工。
下一步,项目管理团队将持续深化数字化赋能,在严守安全质量底线前提下,有序推进项目防护工程、松花江特大桥主桥体系转换等施工工序,确保年度建设目标按期完成,为哈尔滨都市圈环线全线贯通提供坚实保障。(完)
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