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新建上海至南京至合肥高速铁路最新消息~

  • 2026-04-10 04:52:46
新建上海至南京至合肥高速铁路最新消息~

3月29日

新建上海至南京至合肥高速铁路

(简称沪宁合高铁)

安徽段丰山隧道贯通

至此

沪宁合高铁安徽段

2座隧道全部贯通

为后续无砟轨道

铺轨及四电工程作业

奠定了坚实基础

沪宁合高铁安徽段共有丰山隧道、二郎隧道2座隧道,总长约6.47公里。其中,丰山隧道地处滁州市全椒县境内,全长约5.49公里,是安徽段控制性工程,也是最长隧道。该隧道最小埋深仅7米,最大埋深187米,为单洞双线隧道,由皖赣铁路安徽公司建设管理、中铁十四局承建。

丰山隧道穿越岩溶地质区,涉及4条断层破碎带,其中区域性断裂长度约340米,地下水发育、地质条件复杂,施工难度高、技术标准严;洞身部分穿越神山林场,临近黄栗树水库饮用水源保护区,环境保护与水土保持要求较高。

自开工建设以来,项目团队科学统筹、精心组织,持续优化施工方案与资源配置,合理衔接施工工序,全面强化现场安全质量管控,保障隧道施工安全、高效、有序推进。

施工期间,项目团队严格遵循“管超前,严注浆,弱爆破、短进尺、强支护、早封闭、勤量测”的原则,密切监测围岩变化,动态优化施工工艺、调整支护措施,精准应对复杂地质挑战。

针对断层地质岩体破碎、出水量大等突出难题,项目团队经反复研究试验,创新采用地表注浆加固断层技术,通过“深孔钻孔—钢管植入—缝隙封闭—高压注浆”的流程对断层进行加固,先开凿直径110毫米、深度超40米的深孔,将直径42毫米的注浆管放进孔内,用套壳料封闭注浆管与孔壁缝隙,通过高压将超细水泥浆通过注浆管压入断层岩体,同步配合隧道内部径向注浆堵水,显著提升了隧道前端止水效果和岩体稳定性。此外,项目团队同步应用数字化围岩监控量测、有毒有害气体智能检测等一系列先进技术与工装设备,全方位保障施工安全与工程质量。

丰山隧道贯通后

沪宁合高铁安徽段将全面转入

无砟轨道、铺轨及四电工程

施工阶段

沪宁合高铁是沪渝蓉高铁的东段线路、国家“八纵八横”高速铁路网沿江高铁通道的重要组成部分,承担沿江通道主要路网客流、沿海及京沪通道部分直通上海客流的运输。该项目建成后,在上海大都市圈、南京都市圈和合肥都市圈间建起一条快速新通道,对于优化沿长江地区铁路网布局、服务长江经济带发展、推动长三角一体化高质量发展等具有重要意义。

来源 | 上铁集团

编辑 | 陈然  

一审 | 余述清  

二审 | 乔昌坤  

三审 | 吴晓雯 

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  1. CONNECT:[ UseTime:0.000785s ] mysql:host=127.0.0.1;port=3306;dbname=b460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001046s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000449s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000606s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.009991s ]
  6. SELECT * FROM `set` [ RunTime:0.011943s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001179s ]
  8. SELECT * FROM `article` WHERE `id` = 521527 LIMIT 1 [ RunTime:0.001230s ]
  9. UPDATE `article` SET `lasttime` = 1776824684 WHERE `id` = 521527 [ RunTime:0.001812s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000485s ]
  11. SELECT * FROM `article` WHERE `id` < 521527 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000867s ]
  12. SELECT * FROM `article` WHERE `id` > 521527 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000755s ]
  13. SELECT * FROM `article` WHERE `id` < 521527 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001389s ]
  14. SELECT * FROM `article` WHERE `id` < 521527 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001388s ]
  15. SELECT * FROM `article` WHERE `id` < 521527 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.005598s ]
0.191494s