粤东城际铁路

Search documents
粤东城际铁路关键工程跨南溪河特大桥合龙
Zhong Guo Xin Wen Wang· 2025-08-07 00:36
粤东城际铁路"一环一射线"项目是国家批复的粤东地区城际铁路网核心组成部分,线路全长约140.5公 里,设计时速160公里。该项目建成通车后,将助力粤东地区加快融入粤港澳大湾区建设,对推动广东 加快构建"一核一带一区"区域发展格局,实现汕潮揭地区中心城市"半小时通勤圈"和粤东地区"一小时 交通圈",促进汕潮揭都市圈深度融合,实现产业集聚发展、促进民生改善、提升城市发展品质具有重 要意义。 8月6日,由中铁广州工程局集团承建的粤东城际铁路关键控制性工程、全线单跨跨度最大桥梁——跨南 溪河特大桥5日顺利合龙,这是粤东城际铁路首座实现合龙的斜拉桥,标志着全线最复杂桥梁主体结构 施工完成。 跨南溪河特大桥位于汕头市澄海区,全长510米,主跨280米,为双塔双索面半漂浮体系钢混组合梁斜拉 桥,其主塔高度、主跨跨度均为全线桥梁之最。大桥桥位地质条件复杂,桩基需穿越20米深厚淤泥层、 细砂及风化花岗岩地层,最大桩深达100米,加之邻近南溪河航道,运输空间受限,施工精度要求极 高。 大桥主塔为钢筋混凝土双柱式钻石塔,塔高分别为95.5米和98.5米,施工中采用第二代智能液压爬模系 统,依托PLC同步控制实现模板自动爬升,可将精 ...
今年前半年一批交通建设项目迎来新进展 年底广东高速公路将达1.2万公里
Nan Fang Ri Bao Wang Luo Ban· 2025-07-02 08:24
Core Viewpoint - The transportation infrastructure projects in Guangdong are making significant progress in the first half of 2025, contributing to the province's goal of reaching 12,000 kilometers of expressways by the end of the 14th Five-Year Plan [1][6]. Group 1: Transportation Projects Progress - Major transportation projects have seen new developments, including the completion of the 218-kilometer "most beautiful tourist road" in Huizhou, which connects scenic areas and enhances local tourism [2][6]. - The construction of the Zeng Tian Expressway is underway, with full surface paving expected to be completed by the end of the year, improving traffic flow in eastern Guangzhou [2][3]. - The Yuedong Intercity Railway has achieved a cumulative investment of 2.142 billion yuan, with significant milestones reached in construction, including the completion of all bridge substructures [4][6]. Group 2: Economic and Social Impact - The transportation projects are not only vital for economic development but also serve as important public welfare initiatives, enhancing the quality of life for residents [2]. - The completion of these projects is expected to reduce travel time significantly, with the Zeng Tian Expressway cutting the distance to downtown Guangzhou by nearly 30 kilometers [3]. - The successful execution of these projects is anticipated to strengthen the transportation network in the Shantou-Chaozhou-Jieyang urban agglomeration, promoting regional integration [4][6]. Group 3: Future Outlook - Guangdong plans to complete nine expressway projects this year, contributing to the overall goal of 12,000 kilometers of expressways by the end of the 14th Five-Year Plan [6]. - Four out of seven planned railway projects are already in the acceptance stage, indicating a strong pipeline for future transportation infrastructure [6].
狮子洋通道主桥锚碇的后锚梁全部精准落位 省内多个交通建设项目迎来新进展
Nan Fang Ri Bao Wang Luo Ban· 2025-05-26 07:56
Core Insights - Multiple transportation construction projects in the province are making significant progress, aiming to exceed the halfway mark in construction progress within six months [1] - The completion of the rear anchor beam placement for the main bridge of the Lion Rock Channel marks a new phase in the construction of the bridge's anchoring system, laying a solid foundation for subsequent cable installation and structural integrity [1] - The Lion Rock Bridge is a key control project with two gravity anchor piers, each approximately 130 meters in diameter, featuring a steel-structured anchoring system that plays a crucial role in connecting the main cable to the anchor pier [1] Group 1 - The top slab construction of the Lion Rock Bridge's anchor pier is over 50% complete, with plans to finish 70% of the anchoring system construction by the end of the year [1] - The completion of all continuous beam construction nodes for the East Guangdong Intercity Railway project by China Railway 12th Bureau Group has successfully cleared a critical breakpoint for the bridge construction in Shantou city center [2] - The project is leading the overall construction progress, facilitating large-scale track laying operations and further advancing the overall construction of the East Guangdong Intercity Railway [2] Group 2 - The successful completion of the Shen Nan High-speed Railway's Guangjian No. 1 tunnel by China Railway 12th Bureau provides a solid foundation for the timely opening of the entire line [3] - The Shen Nan High-speed Railway is an important corridor connecting the Guangdong-Hong Kong-Macao Greater Bay Area with Guangxi and other southwestern regions, which will significantly enhance the railway passenger transport quality and efficiency in the two Guang provinces [3]