截至2023年底中国铁路隧道情况统计及2023年新开通重点项目隧道情况介绍  

Statistics of China′s Railway Tunnels by the End of 2023 and Overview of Tunnels of Key New Projects in 2023

作　　者：巩江峰 王伟 王芳[2] 杨昌贤 袁溢 GONG Jiangfeng;WANG Wei;WANG Fang;YANG Changxian;YUAN Yi(China Railway Economic and Planning Research Institute,Beijing 100038,China;China Railway Eryuan Engineering Group Co.,Ltd.,Chengdu 610031,Sichuan,China;China Railway Design Corporation,Tianjin 300308,China;China Railway First Survey and Design Institute Group Co.,Ltd.,Xi′an 710043,Shaanxi,China)

机构地区：[1]中国铁路经济规划研究院有限公司,北京100038 [2]中铁二院工程集团有限责任公司,四川成都610031 [3]中国铁路设计集团有限公司,天津300308 [4]中国第一勘察设计院集团有限公司,陕西西安710043

出　　处：《隧道建设（中英文）》2024年第2期377-392,I0057-I0072,共32页Tunnel Construction

摘　　要：对截至2023年底中国铁路隧道、高速铁路隧道、特长铁路隧道情况进行统计。结果显示,截至2023年底,中国铁路营业里程达到15.9万km,其中,投入运营的铁路隧道18 573座,总长23 508 km;中国已投入运营的高速铁路总长超过4.5万km,共建成高速铁路隧道4 561座,总长7 735 km,其中,长度大于10 km的特长隧道115座,长约1 471 km;中国投入运营的特长铁路隧道共286座,长约3 869 km,其中,长度20 km以上特长铁路隧道13座,长约312 km。最后,对2023年新开通的重点项目贵南铁路隧道、成兰铁路成都至川主寺段隧道的概况及特点进行介绍,并总结其技术经验;同时对广汕铁路隧道、金甬铁路隧道、南崇铁路留村大直径盾构隧道、和邢铁路隧道的技术应用进行总结。贵南铁路通过空间选线、创新岩溶处理手段,以及加强运营期间的排水措施,有效降低了岩溶发育地区高速铁路运营的安全风险;成兰铁路设计充分贯彻“减灾选线”的理念,大规模减小了运营期间的安全风险,另外创新了隧道通过活动断裂带的处理技术。随着铁路建设向西部地区转移,隧道建设将面临埋深更大、地应力更高、地质构造更加复杂、高海拔地区缺氧等系列建设问题,仍需要各位同仁共同攻坚克难,不断创新隧道修建技术。The statistical data on tunnels respectively on conventional railways,high-speed railways,and extra-long railways in China by the end of 2023 are presented.According to the data,China′s operating railways have reached a total length of 159000 km by the end of 2023.Among these operating railways,there were 18573 tunnels with a total length of 23508 km.The high-speed railways put into service in China have surpassed 45000 km in total length,incorporating 4561 tunnels built with a cumulative length of 7735 km.Notably,115 of them were classified as extra-long,measuring over 10 km each,and their total length amounted to approximately 1471 km.Furthermore,China has opened 286 extra-long railway tunnels,spanning approximately 3869 km in length.Out of these tunnels,13 tunnels were longer than 20 km each,accounting for a total length of approximately 312 km.The authors also provide an overview of tunnels located on the new key projects opened in 2023,including Guiyang-Nanning railway and Chengdu-Chuanzhusi section of Chengdu-Lanzhou railway.The characteristics of these tunnels are highlighted,along with a summary of the technical experience gained from them.Moreover,the authors summarize the application of technologies in an array of tunnels,including those on Guangzhou-Shanwei high-speed railway and Ningbo-Jinhua railway,as well as the Liucun large-diameter TBM tunnel on Nanning-Chongzuo railway and tunnels on Heshun-Xingtai railway.Specifically,Guiyang-Nanning railway offers a paradigm that effectively mitigates safety risks associated with operating high-speed railways in karst-developed areas.This approach involves 3D spatial route selection,implementing innovative methods for karst treatment,and enhancing drainage measures during operation.The design of Chengdu-Lanzhou railway fully reflects the concept of"priority to disaster reduction in route selection".This concept has resulted in a notable reduction of safety hazards during operation.In addition,innovative treatment techniques have been applied in tunnels that

关 键 词：铁路隧道 高速铁路隧道 特长铁路隧道 统计 

分 类 号：U45[建筑科学—桥梁与隧道工程]