1月22日上午，寒潮下的东莞沙田狮子洋大桥东锚碇施工现场，混凝土搅拌车穿梭来往，施工人员在有 序开展浇筑振捣和钢筋绑扎作业，一片快马加鞭、大干快上的火热景象。作为粤港澳大湾区核心枢纽工 程，狮子洋通道狮子洋大桥T55节段成功吊装，主塔高度突破300米大关，项目迎来2026年"开门红"。 狮子洋通道总工程师张太科介绍，2026年是项目攻坚年，主塔计划4月前后封顶，下半年启动猫道架 设，锚碇锚体正稳步推进施工。据了解，春节期间，关键工点将保持连续作业，将安排100多名工人值 守，确保主桥建设不停步。 作为珠江口首条双层复合公路通道，狮子洋通道全长约35公里，西接广州南沙，东连东莞沙田、虎门两 镇。项目采用上下双层16车道设计，设置11处互通立交，既承担着串联粤港澳大湾区高速路网的重任， 又通过衔接地方道路系统，实现城际与城市交通无缝融合。 据介绍，主桥狮子洋大桥为关键控制性工程，是世界首座超2000米双层悬索桥，采用2180米跨径"一跨 过江"，建成后将创造双层悬索桥"主跨跨径、主塔塔高、锚碇基础、主缆规模、车道数量"五项世界第 一。 2026年1月22日，粤港澳大湾区核心枢纽工程——狮子洋通道狮子洋大桥T55节 ...

Core Points - The Lion's Mouth Channel project is a significant infrastructure initiative in the Guangdong-Hong Kong-Macao Greater Bay Area, aimed at enhancing regional connectivity and urban integration [2][7] - The main bridge, Lion's Mouth Bridge, features a main span of 2,180 meters and a tower height of 342 meters, which will set five world records upon completion [2][4] - The project is expected to be completed by 2026, with the main tower already surpassing 200 meters in height [1][2] Group 1 - The Lion's Mouth Channel is a "multi-layer composite functional channel" that connects Guangzhou Nansha to Dongguan Humen, facilitating both intercity and urban traffic integration [2][7] - The design team, led by a national engineering master, utilized extensive data analysis to finalize the dual-layer "8+8" lane highway design, allowing for a speed of 100 km/h [4][6] - The bridge's design incorporates a "steel shell-concrete" composite structure for the tower, a first in the world for large-span suspension bridges, enhancing structural performance while reducing weight [6] Group 2 - The Lion's Mouth Channel will significantly shorten travel time between Guangzhou Nansha and Dongguan, strengthening connections within the core urban areas of the Pearl River Delta [7] - The project is part of a broader strategy to promote interconnectivity and development in the Greater Bay Area, alongside existing bridges like the Humen Bridge and Nansha Bridge [7][8] - The main cable of the bridge is designed with a diameter of 1.5 meters, consisting of 374 strands, each made of 127 high-strength steel wires, ensuring it can handle heavy loads [6]

Core Viewpoint - The construction of the Lion Rock Channel is a significant infrastructure project in the Guangdong-Hong Kong-Macao Greater Bay Area, aimed at enhancing connectivity and supporting high-quality economic development in the region [1][7]. Group 1: Project Overview - The Lion Rock Channel is a key transportation project connecting Nansha in Guangzhou to Humen in Dongguan, spanning approximately 35 kilometers with a dual-layer design featuring 16 lanes, significantly increasing traffic capacity [2][7]. - The project includes the Lion Rock Bridge, which utilizes a double-layer steel truss suspension bridge design with a main span of 2,180 meters, eliminating the need for bridge piers in the river [2][3]. Group 2: Construction Progress - As of October 2023, construction is in full swing, with critical processes being maintained during the National Day holiday, showcasing a commitment to timely project completion [2][6]. - The main tower of the Lion Rock Bridge has reached a height of 342 meters, equivalent to a 110-story building, and is constructed using a combination of steel and concrete to enhance stability and reduce weight [4][6]. Group 3: Technical Challenges and Innovations - The project faces significant technical challenges due to its unprecedented scale, requiring innovations in design, construction techniques, and equipment development [3][4]. - Advanced technologies, such as high-precision positioning systems and intelligent control systems, are employed to ensure the accuracy and safety of the construction process [6][7]. Group 4: Future Outlook - The year 2025 is projected to be a peak construction period for the Lion Rock Channel, with major engineering milestones expected to be achieved [7]. - Upon completion, the channel is anticipated to alleviate traffic pressure across the Pearl River and play a crucial role in the integrated high-quality development of the Greater Bay Area [7].

Core Points - The construction of the main tower of the Lion Rock Tunnel has surpassed a height of 200 meters, laying a solid foundation for its completion next year [1] - The Lion Rock Tunnel is the first dual-layer composite highway tunnel in the Pearl River Estuary, with a total length of approximately 35 kilometers and 16 lanes across two layers [1] - The project will set five world records for double-layer suspension bridges, including main span, tower height, anchor foundation, main cable scale, and number of lanes [1] Group 1 - The main tower of the bridge will reach a height of 342 meters, constructed from a steel-concrete composite structure consisting of 62 steel shell segments and 6 steel cross beams [1] - The construction is being carried out by China Communications Construction Company and Poly Longda Company [1] - Advanced construction equipment, including a domestic super-large tower crane, is being utilized to ensure safe and efficient construction of the tower [1] Group 2 - During the National Day holiday, over 6,000 construction workers will continue working on the project to meet annual construction targets [2] - The main bridge construction is progressing, with ongoing work on the tower and anchor foundation, as well as the installation of prefabricated beams for the upper structure [2]

Core Viewpoint - The construction of the Lion Rock Tunnel, a significant infrastructure project in the Guangdong-Hong Kong-Macao Greater Bay Area, has made substantial progress with the main bridge tower reaching a height of over 200 meters, setting a solid foundation for its completion next year [1][7]. Group 1: Project Overview - The Lion Rock Tunnel is the first dual-layer composite highway tunnel in the Pearl River Estuary, with a total length of approximately 35 kilometers and 16 lanes across two layers [5]. - The project will achieve five world records in terms of main span, tower height, anchor foundation, main cable scale, and number of lanes for a dual-layer suspension bridge [5]. Group 2: Construction Details - The main tower of the bridge stands at 342 meters and is constructed using a steel-concrete composite structure, consisting of 62 steel shell segments and 6 steel cross beams [5]. - The construction is being undertaken by China Communications Construction Company (CCCC) Second Harbor Engineering Company and Poly Longda Company [5].

Core Points - The world's first "splicing widening" bridge will be constructed in the Guangdong-Hong Kong-Macao Greater Bay Area, enhancing traffic efficiency between cities on the west and east banks of the Pearl River [1] - The project, known as the connection section project, will start construction and is expected to be completed by 2027 [1] - The project includes the widening of two bridges and the renovation of a hub interchange, with a total length of 2,033 meters [1] Project Details - The main focus of the connection section project is the renovation of the South Central Bridge, which will be widened by 2.25 meters on each side to accommodate eight lanes of traffic, matching the design of the Lion Rock Channel [2] - The project will also upgrade the Fangma Interchange, converting it from a four-lane to a six-lane configuration to optimize traffic flow [2] - The renovation of the South Central Bridge is noted as the world's first splicing widening project for a central cable-stayed bridge, a complex structure with no prior examples in domestic or international projects [2] Current Progress - The Lion Rock Channel project has entered a peak construction phase, with the completion of the T32 steel shell segment installation for the East Main Tower of the Lion Rock Bridge, reaching a height of 171.1 meters [2] - The Lion Rock Channel is a significant multi-layer highway project spanning approximately 35 kilometers, featuring a total of 16 lanes across two levels [2]

Core Insights - The Ministry of Transport has planned 20 major projects, including the National Comprehensive Transportation Network and the Yangtze River Economic Belt, to enhance regional economic quality and reduce logistics costs [1][6] - As of May, at least 20 major transportation projects have reached critical stages, indicating significant progress in infrastructure development [1][2] Investment and Economic Impact - In the first quarter, the national fixed asset investment in transportation reached 675.2 billion yuan, maintaining a high level [1][4] - The ongoing projects are expected to facilitate the flow of resources across regions and support the integration of the Yangtze River Delta [2][6] Project Progress - The Zhang Jinggao Yangtze River Bridge, with a total construction period of 6 years and a budget of 31.166 billion yuan, is progressing well, with over half of the north anchor block construction completed [2][6] - The Lion Rock Bridge, featuring the world's largest anchor block, is also on track, with key installations expected to be completed soon [2][6] - The G95 Capital Region Ring Expressway and other significant projects are entering critical phases, with various construction milestones being achieved [5][6] Future Developments - The Ministry of Transport aims to accelerate the construction of major projects, including the new Tibet Railway and the new airport in the Pearl River Delta, with plans for commencement within the year [6]