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深汕铁路企岭村特大桥建设取得重要进展
Yang Shi Wang· 2025-09-01 11:58
Group 1 - The successful completion of the first segment of the switch continuous beam marks a significant breakthrough in the key technical node of the "four lines to three lines" switch area of the project [1][3] - The pouring of the first segment took nearly 19 hours, with a total volume of 1,024 cubic meters [1] - The Shenshan Railway is a crucial part of the intercity railway network in the Guangdong-Hong Kong-Macao Greater Bay Area, significantly reducing the travel distance between Shenzhen and the Shenshan Special Cooperation Zone [1] Group 2 - The switch continuous beam spans 228.7 meters and is divided into six segments, with the D segment measuring 45.7 meters [3] - The beam structure is a single box three-chamber design, with a height of 3.035 meters and a width that varies from 23.65 meters to 19.955 meters [3] - The project team faced multiple technical challenges, including complex structural systems and high precision control requirements, and established a joint technical task force to address these challenges [3]
深汕铁路超大直径盾构机始发
Xin Hua Wang· 2025-08-01 15:22
Group 1 - The "Pingzhang East No. 3" shield machine, constructed by China Railway Third Bureau, successfully commenced operation on August 1 in Shenzhen Pingshan [2] - The shield machine has a diameter of 14.34 meters, a tunneling length of 3,850.6 meters, and a maximum burial depth of 62.5 meters, designed for a single-tube double-track tunnel [2] - The Shenzhen-Dongguan Railway, starting from Shenzhen Xili Station to the Shenzhen-Dongguan Special Cooperation Zone and connecting to the Guangshan Railway at Shenzhen-Dongguan Station, has a total length of 125.5 kilometers and is a key part of the national "Eight Vertical and Eight Horizontal" high-speed rail network coastal corridor [2]