Four "Most" Reveals: The Highest Speed Cross Sea High Speed Rail

August 31st

With the G55501 train

Departing from Fuzhou South Station

China's first design with a speed of 350 kilometers per hour

Cross sea high-speed rail has officially entered the operational testing phase

Fuzhou Xiamen High speed Railway

What's special about it?

The Fuzhou Xiamen High speed Railway is

In China's "Eight Verticals and Eight Horizontals" high-speed railway network

An important component of coastal channels

Starting from Fuzhou City in the north

Passing through Putian City and Quanzhou City

South to Xiamen and Zhangzhou

North end connection

Hefu and Wenfu railways

Connection at the southern end

Xiamen Shenzhen and Longxia Railway

The total length is 277.42 kilometers

Construction started in September 2017

By July 2021, all the main tunnel lines will be fully connected

By August 2022, the entire track will be laid and connected

at present

The entire Fuzhou Xiamen high-speed railway line is open for operation

Enter countdown

Plan to have the conditions for opening and operation within this year

China News Network reporter follows China Railway Nanchang Bureau Group Co., Ltd

Explore the entire journey of the Fuzhou Xiamen high-speed railway

Departing from Fuzhou

Heading south all the way

Experience the Four "Most" of Fuzhou Xiamen High speed Railway

Fastest

At present, a Fuzhou Xiamen Railway with a designed speed of 250 kilometers per hour has been built along the coast of Fujian. However, as an important component of China's southeastern coastal railway, the passenger flow of this line has been continuously increasing since its completion in July 2009, especially during holidays when passenger flow is highly concentrated. The newly built Fuzhou Xiamen high-speed railway is the first cross sea railway in China with a designed speed of 350 kilometers per hour. After completion and opening, it can effectively alleviate the tight transportation capacity of the existing Fuzhou Xiamen section of the Hangzhou Shenzhen Line.

After completion and opening to traffic, Fuzhou and Xiamen will achieve a "one hour living circle", while Xiamen, Zhangzhou, Quanzhou and other places will form a "half hour transportation circle". The fastest railway travel time from Xiamen to Beijing will be reduced from over 11 hours to about 9 hours.

The Anhaiwan Grand Bridge, with a total length of 9.5 kilometers, is the world's first ballastless track large-span cable-stayed bridge that spans the sea. After its opening, the high-speed train can cross the sea in just a few minutes.

China National Railway Group Co., Ltd. organized performance verification tests of new technology components on the Fuqing Quanzhou section of the Fuzhou Xiamen high-speed railway under higher operating speed conditions. On June 28th, at the Meizhou Bay Cross Sea Bridge, the test train ran at a single speed of 453 kilometers per hour and a relative intersection speed of 891 kilometers per hour. On June 29th, at the Haiwei Tunnel, the test train ran at a single speed of 420 kilometers per hour and a relative intersection speed of 840 kilometers per hour, effectively verifying the performance of new technology components. All indicators performed well, marking a milestone in the development of the CR450 high-speed train and laying a solid foundation for the smooth implementation of the CR450 technology innovation project.

The smartest

The Fuzhou Xiamen high-speed railway is an exploration and demonstration of intelligent high-speed railway construction in China's coastal areas, opening a new chapter in the construction of intelligent high-speed railways in China's coastal areas. Through the continuous deepening of innovation in intelligent construction, intelligent equipment, and intelligent operation technology, China's coastal intelligent high-speed railway construction system has been improved, providing strong technical support for the development of high-speed railway construction from coastal to deep sea.

During the installation process of the 40 meter prefabricated box girder, the "Kunlun" high-speed railway bridge lifting and erecting equipment, which is a thousand ton level transport and erecting machine, is currently the most comprehensive high-speed railway bridge lifting and erecting equipment in China. It can not only meet the construction operations of high-speed railway box girders with different spans of 24 meters, 32 meters, and 40 meters, but also increase the erecting speed by 25%, filling multiple gaps in the field of high-speed railway construction and achieving the improvement of China's high-speed railway construction technology level. The picture shows the Kunlun train being put into use during the construction of the Fuzhou Xiamen high-speed railway. Provided by China Railway Nanchang Bureau Group

Among them, 91 representative model projects have been built, including the Meizhou Bay Extra Large Bridge, Quanzhou Bay Extra Large Bridge, Putian Station, and Quangang 10kV Distribution Station. The Southeast Coastal Railway Fujian Co., Ltd. organized participating units to carry out 37 scientific research projects. Currently, it has obtained 10 national invention patents, 191 utility model patents, 15 software copyrights, and 33 provincial-level scientific and technological awards and QC achievements.

With BIM+GIS technology as the core, Fuzhou Xiamen High speed Railway comprehensively applies information technology such as the Internet of Things, cloud computing, mobile Internet, big data and professional engineering technology integration, and uses digital simulation construction to realize the visualization, digitalization, and full life management of the whole life cycle of the railway four electricity project, and effectively track and control key progress nodes; Reducing collisions and rework, improving construction quality, ensuring construction safety, optimizing construction progress, and assisting in refined management of construction sites have created a digital high-speed rail nervous system, laying a solid foundation for intelligent high-speed rail construction.

The construction of the Fuzhou Xiamen high-speed railway focuses on multiple scientific breakthroughs and innovative applications in intelligent construction, intelligent equipment, and intelligent operation. In terms of intelligent construction, focusing on key elements such as human, machine, material, method, and environment in the process of railway engineering construction, BIM technology is deeply applied as the core. Through the comprehensive use of automatic perception, intelligent diagnosis, collaborative interaction, active learning, and intelligent decision-making, resources are comprehensively and efficiently utilized and integrated to achieve comprehensive, professional, and all-weather safety, quality, progress control, and efficient intelligent construction management of the Fuzhou Xiamen high-speed railway construction. New ideas for design construction operation and maintenance lifecycle management are actively explored.

In terms of intelligent equipment, automation and intelligent monitoring, analysis, early warning, and health management are carried out on key and key structures such as operating lines and passenger station buildings to ensure real-time good line conditions. Intelligent skylights, lighting fiber optic systems, and other equipment are introduced in passenger station buildings to improve station comfort, energy conservation and emission reduction, provide guarantees for convenient, comfortable, and safe travel of passengers, and assist in high-quality operational services.

The image shows the intelligent fiber optic system on the roof of the transfer center at Xiamen North Station of the Fuzhou Xiamen High Speed Railway. It can break through the limitations of light's linear propagation, automatically track and collect sunlight, create a bright and comfortable transfer environment for passengers, and achieve energy conservation and consumption reduction. It can save about 720000 kWh of electricity throughout the year. Provided by China Railway Nanchang Bureau Group

Fujian is located along the southeast coast of China and is a major destination for typhoons due to its geographical location. In this regard, the monitoring data of wind, rain, and foreign object intrusion on the Fuzhou Xiamen High speed Railway, as well as the system status monitoring and alarm data, are aggregated to the railway data service platform, and connected to the meteorological department's key meteorological disaster observation, forecast, and warning data along the railway line, to carry out risk identification and refined warning of key meteorological disasters such as strong winds and heavy precipitation; Carry out equipment status analysis applications to provide support for disaster monitoring systems and railway infrastructure operation and maintenance, carry out cross disciplinary application of strong wind and heavy precipitation data along the railway, and further enhance railway disaster prevention and reduction capabilities.

The most convenient

Intelligent devices, intelligent stations, and intelligent high-speed trains are providing passengers with safe, comfortable, and convenient travel ready to depart.

The Fuzhou Xiamen High speed Railway comprehensively utilizes new generation information technologies such as cloud computing, Internet of Things, big data, artificial intelligence, 5G, and BeiDou navigation to real-time grasp the status of the entire production factor of human environment equipment information. It constructs an intelligent control platform for passenger service and production, a building equipment management system, and a passenger transportation safety inspection system, providing passengers with precise, convenient, and comfortable barrier free intelligent travel services throughout the entire process.

At Fuzhou South Railway Station of the Fuzhou Xiamen High speed Railway, there is no security check for one-way entry into the subway, and fast transfer between the high-speed railway and the subway is achieved. From Exit A of Fuzhou Metro Line 5, you can quickly enter the high-speed rail waiting hall by passing the security check on the south side of the new station building at the South Railway Station. From the north exit of the Fuzhou Xiamen high-speed rail, you can enter Line 5 or from Exit 3 of the old station building, and you can take Line 1 directly without security check.

It is understood that China's Fuxing intelligent multiple unit with completely independent intellectual property rights will fly on the Fuzhou Xiamen high-speed railway. Compared with the ordinary Fuxing high-speed train, while maintaining the same seating capacity, the distance between the first class seats of the Fuxing intelligent high-speed train has increased from 1.1 meters to 1.16 meters, and the seat surface of the second class seats has been extended by 2 centimeters.

At the same time, the Fuxing intelligent high-speed train carriages have achieved full Wi Fi network coverage, and the number of mobile phone charging sockets under the seats has significantly increased. USB charging sockets have also been added outside the two hole sockets.

The Fuxing intelligent multiple unit, which has completely independent intellectual property rights in China, will fly on the Fuzhou Xiamen high-speed railway. The number of mobile phone charging sockets has significantly increased, and a USB charging socket has been added outside the two hole socket. Provided by China Railway Nanchang Bureau Group

In terms of vibration reduction and noise reduction, the Fuxing intelligent high-speed train has achieved the goal of making it more difficult for passengers to perceive discomfort in their ears when the train passes through tunnels or intersections.

It is reported that after the relevant supporting measures are in place in the future, passengers traveling on the Fuxing intelligent multiple unit can also judge the status of their seats through the red, yellow, and green electronic lights on the seat display screen, making ticket replacement and seat promotion more open and transparent.

The most beautiful

The Fuzhou Xiamen high-speed railway, which connects Southeast coastal tourist cities such as Fuzhou, Putian, Quanzhou, Xiamen, and Zhangzhou, is accelerating the formation of the "Golden Tourism Belt" along the coast of Fujian.

The Fuzhou Xiamen high-speed railway is full of beautiful scenery everywhere. The three cross sea bridges of Quanzhou Bay, Meizhou Bay, and Anhai Bay are not only difficult to construct, but also magnificent in themselves, and the scenery at sea is breathtaking.

The Fuzhou Xiamen High speed Railway has built 7 new station buildings along the entire line, each incorporating the most representative natural scenery, humanistic spirit, and historical culture of the local area, presenting a distinctive feature of "one station, one scenery", fully showcasing the flavors of "Haisi" and "Strait". At the Fuzhou South Station of the Fuzhou Xiamen High speed Railway, a large number of newly built station buildings are designed with plain concrete indoors. The top of each beam and column is a smooth and curved shape, and the curve at the junction of the beam and column is bi-directional with armpits, forming a flowering shape. The structure is complex and variable, striving to create a banyan tree image.

Liu Yang, the relevant person in charge of China Railway Construction Engineering Group, who undertook the expansion project of Fuzhou South Station, introduced that Fuzhou South Station is the largest station building on the entire Fuzhou Xiamen high-speed railway line, with a total construction area of 407200 square meters. It adopts a "bridge under station building" design, and the steel bars at the beam column nodes are complex during the construction process. The expansion project of Fuzhou South Station adopts a tree shaped column structure as the spatial element in the station, with the design concept of "Rongyin Jufu and Silk Road Ark" and the main element of "ancient houses stacked with waves". It integrates tradition and modernity, and combines practicality and beauty, highlighting the open and atmospheric space and expressing the urban context of "Rongcheng".

The Fuqing West Station, located in the hometown of overseas Chinese, Fuqing City, adopts the design concept of "three pieces of land, spreading wings and soaring", integrating the characteristics of mountains and rivers entering dreams, reflecting the architectural characteristics of Fushan Bamboo Dream and the fusion of clear water and jade. The overall building of Putian Station echoes the trend of mountains and rivers, integrating the Mazu culture of Putian city into it, fully demonstrating the design concept of "combing sails to carry aspirations and soaring waves to sail far away". The Quanzhou East Station fully embodies the concept of "red brick ancient houses and sea silk sails" in the station building design, showcasing the urban style of "a hundred boats competing for a thousand sails, Quanzhou Gate on the sea silk road". Xiamen North Station is designed with the concept of "East China Sea shore, rippling again", resembling a roof with blooming waves, a majestic dragon boat style swallowtail ridge, and a silky and smooth wave shaped ceiling, resembling a "garden of egrets on the sea".