Chongqing Section Of Yuxia High-speed Railway Joins The National ‘Eight Vertical And Eight Horizontal’ High-speed Railway Network

Industrial steam pipeline construction in Laizhou City completed pipeline welding and installation of the entire line

On 5 March, the whole line of industrial steam pipeline construction project in Sanshandao Street, Laizhou City, which was built by China Railway Second Bureau, completed the pipeline welding and installation, marking that the project formally entered the stage of pressure test and heat preservation and patching. The project pipeline length of 8.4 kilometres, through the national highway, high speed, the current water channel, industrial parks and 8 villages, the use of DN400 pipeline will be Huadian international power plant power generation after the waste heat through the long-distance heating pipeline network to the urban area of Laizhou City, bear more than 4 million square metres of residential heating and industrial heating. As a key livelihood project of Yantai City '14th Five-Year Plan', after the project is put into use, it will make use of the superior basic conditions of the industrial park to help Laizhou City to increase the advantages of investment promotion and attract more high-quality enterprises to set up in the park, and help the local community to achieve the unity of economic and social benefits.

Guangzhou-Zhan High-speed Railway Xin'an Tunnel Passed Through Successfully

On 1st March, Xin'an Tunnel of Guangzhou-Zhan High-speed Railway constructed by China Railway Third Bureau was successfully passed through, which is also the last tunnel passed through in the whole line, creating favourable conditions for the subsequent ballastless track construction and laying a solid foundation for the whole line to be opened to traffic at the end of 2025. Guangzhou-Zhan high-speed rail Xin'an Tunnel is located in Gaoming District, Foshan City, Guangdong Province, for the single-hole two-lane tunnel, the total length of 1,931.66 metres, the maximum depth of about 98.33 metres, the tunnel geological complexity, is the whole section of the controlling project. It is learnt that Guangzhan high-speed railway is an important part of the national 'eight vertical and eight horizontal' high-speed railway network, 350 km/h coastal railway passenger corridor, connecting Guangdong, Hong Kong and Macao Bay Area and Hainan Free Trade Port, Beibu Gulf City Cluster. As a railway project with the most complicated technology, the longest route and the largest investment in Guangdong Province, Guangzhan High-speed Railway, upon completion, will open up the coastal railway passenger dedicated channel, enhance the traffic efficiency between western Guangdong and the core cities of Guangdong, Hong Kong and Macao Greater Bay Area, and comprehensively promote the synergistic development of the region.

Tianjin Metro Line 4 North Project officially empty test run

Recently, the northern section of Tianjin Metro Line 4, which is constructed by China Railway 10 Bureau, has officially started the trial run with no load, which provides a strong guarantee for the completion and commissioning of the project within the year. Since the commencement of the project, the project insists on high-standard planning, high-efficiency promotion and high-quality implementation, widely adopts four new technologies, strengthens safety and quality control, and optimises the design and construction programme. Tianjin Metro Line 4 North is the backbone of Tianjin's rail transit network serving the main centre of the city to the northwest, with a total project length of about 22.6 kilometres, which is the first metro line in Tianjin to be implemented in the integrated mode of 'investment+construction+operation'. After the project is completed and opened to traffic, it will effectively alleviate the traffic congestion along the line, greatly reduce the pressure of residents travelling, and further strengthen the backbone network of rail transport in the northern urban areas of Tianjin.