Safety and stability technology for railway trains running on trestlebridges above soft soil excavations
-
摘要: 结合近年来承担设计的“改建铁路宁波站改造工程”，对我国软土地区铁路客站与换乘地铁等市政设施一体化建设过程中，为节省建设工期，同时保证原既有正线的正常运行以及深基坑开挖安全等疑难技术问题进行探索实践，研究提出并设计了在铁路站房与换乘地铁一体化开挖期间，深基坑栈桥上运行铁路列车的安全稳定应对控制措施，从而保证铁路客站与换乘地铁一体化建设实施的“多、快、好、省”。该研究成果及应对技术措施可为软土地区同类铁路客站建设的设计和施工提供借鉴和交流。Abstract: This paper makes make an effort to solve such difficult technical problems as saving construction period, ensuring the normal operation of existing railway lines and the security of deep excavations. Ningbo comprehensive transport hub, a construction integration of railway station and subway station, is cited as an illustration. In this project, reasonable and effective measures are proposed to ensure the security and stability of railway trains running on trestle bridges during the excavation. Meanwhile, the key points in the design and construction of comprehensive urban transportation hub are summarized to ensure the “quantity, rapidness, quality, economical efficiency” in the construction. It may provide a reference for future similar projects in soft soil area.
-
Keywords:
- soft clay /
- deep excavation /
- trestle bridge /
- high-speed train /
- stability
-
[1] 贾 坚, 谢小林. 上海地下综合体的建造模式及沉降耦合控制[J]. 建筑结构, 2008, 38(9): 71–73. (JIA Jian, XIE Xiao-lin. The construction mode and settlement coordination of underground urban complex in Shanghai[J]. Building Structure, 2008, 38(9): 71–73. (in Chinese)) [2] JG—120—99. 建筑基坑支护技术规程[S]. 1999. (JG—120—99 Technical specification for retaining and protection of building foundation excavations[S]. 1999. (in Chinese)) [3] TB10002.1—2005 铁路桥涵设计基本规范[S]. 2005. (TB10002.1—2005 Basic code for design of railway bridge and culvert[S]. 2005. (in Chinese)) [4] 吴定俊, 李 奇, 宋郁民, 等. 宁波站铁路便桥车桥耦合振动研究[R]. 上海, 2010. (WU Ding-jun, LI Qi, SONG Yu-min, et al. Ningbo railway emergency bridge vehicle-bridge coupling vibration research[R]. Shanghai, 2010. (in Chinese))
计量
- 文章访问数: 1078
- HTML全文浏览量: 0
- PDF下载量: 489
下载:
