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南京地铁11号线投20亿采购列,背后的区域格局值得多看一眼

  • 2026-09-21 13:47:42
南京地铁11号线投20亿采购列,背后的区域格局值得多看一眼
肇庆高要区莲塘镇与新桥镇交界处,新兴江特大桥左幅连续钢构顺利合龙了。这座全长1227米的大桥,横跨新兴江东大堤、主河道及西大堤,是广肇高速改扩建项目里工期最紧、难度最大、风险最高的控制性工程。

现在桥面主体已经连接成一体,施工人员正在抓紧进行后续工作,桥面上绑扎成型的钢筋正等待验收,一台激光超声波摊铺机也已经到位,准备投入桥面施工。这座大桥上部结构采用了单箱双室变截面连续钢构,顶宽20.25米,施工用的是智能菱形挂篮悬臂浇筑工艺。

配套的系统包括智能张拉、实时监控和自动养护,说白了就是用科技手段来保证每一段混凝土都能精准对接。项目负责人说,180天啃下这块“硬骨头”,靠的是科学统筹和一支过硬团队。

广肇高速改扩建这个项目,是广东省“十四五”规划里的重点交通基础设施项目之一。它起自广州西二环高速公路横江枢纽互通,经过佛山市和肇庆市最后到达肇庆市马安互通,顺接广云高速公路,全长51.1公里。

整条路要从现在的双向四车道和六车道,扩建为双向八车道,预计2027年建成通车。这座大桥的合龙,意味着整个项目的建设取得了阶段性重大突破。大湾区规划中的这条重要通道,正在一步步从图纸变成现实。

对于肇庆这座城市来说,高速扩建带来的不只是路更宽了,更是城市格局的重新洗牌。肇庆作为大湾区与粤桂互联互通的关键节点,未来在珠三角规划中的地位会越来越突出。大桥建设过程中项目成立了党员突击队,带领近200名建设者日夜奋战。

他们优化施工方案,实行精细化的网格管理,24小时不间断施工,确保连续梁能如期高质量合龙。这种管理方式,在广东高速扩建项目里并不常见,但效果确实明显——工期没有延误,质量也通过了验收。

广肇高速改扩建背后,是大湾区交通规划的深层逻辑。粤港澳大湾区正在织密一张城际铁路和高速公路网络,让城市群之间的通勤时间大幅缩短。这条高速改扩建完成后,广州和肇庆之间的通行效率会明显提升,对粤桂互联互通和两广交通的整体优化,都会起到关键作用。

新兴江特大桥左幅合龙后,建设全面转入剩余梁板架设和桥面系施工阶段。接下来项目会全力推进建设进度,为左幅实现双向四车道通行创造条件。到了2027年全线通车时,这条高速将和周边的城际铁路、地铁规划形成立体交通网络,真正实现都市圈规划的落地见效。

从更宏观的角度看,广肇高速改扩建是广东高速扩建浪潮中的一个缩影。近年来,广东多条高速公路都在进行升级改造,目的是为了适应大湾区日益增长的交通需求。

这种高速扩建模式,正在成为中国城市群发展的一个标准配置。对于南宁城市规划、广西高速公路建设,乃至整个粤桂互联互通区域,都提供了可参考的样本。这次大桥合龙,标志着广肇高速改扩建项目进入了冲刺阶段。

2027年全线通车后,肇庆到广州的通勤时间会大幅缩短,对肇庆的城市发展潜力释放、新城崛起都有实质性的推动作用。一条路的改变,往往能带动一座城的重新定位。

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  13. SELECT * FROM `article` WHERE `id` < 599731 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000627s ]
  14. SELECT * FROM `article` WHERE `id` < 599731 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000649s ]
  15. SELECT * FROM `article` WHERE `id` < 599731 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000537s ]
0.062581s