China News Service, Meizhou, February 13 (Reporter Wang Jian) ​​According to the news from China Railway First Bureau on the 13th, the Dongjiang Super Bridge of the Meilong Railway, a key project in Guangdong Province, has been closed, laying the foundation for the subsequent opening of the entire line as scheduled.

After its completion, the travel time from Meizhou to Guangzhou will be shortened to 1.5 hours.

  The total length of Meilong Railway is about 93.98 kilometers. It is the first 350 kilometers per hour high-speed railway project invested and constructed by Guangdong Province. After completion, it will become the traffic artery in eastern Guangdong. The line starts from Meizhou West Station of Meishan High-speed Railway and ends in Heyuan. Ganshen High-speed Railway Longchuan West Station.

  It is understood that the Meilong high-speed railway is not only interoperable with the Meilong high-speed railway but also connected with the Jiangxi-Shenzhen high-speed railway. An important transportation route in the Greater Bay Area.

  China Railway First Bureau introduced that the Dongjiang Super Bridge is a double-line high-speed railway bridge. The bridge site is located in the Dongjiang River and is a planned third-level inland waterway. The main bridge adopts a concrete continuous rigid frame beam with a main span of 160 meters and a span of 95 meters on both sides. Crossing the Dongjiang River, the construction is difficult, the construction period is tight, the task is heavy, and the closing precision is high. It is one of the control projects of the whole line.

  The Guangzhou Branch of China Railway First Bureau stated that during the construction of the Dongjiang Super Bridge, the project department organized a technical team to innovate construction technology, and successively developed and obtained "a gas reverse circulation pile foundation hole cleaning device" and "a sandstone formation enclosure". The two utility model patents of the construction technology of slag-proof leakage in the weir lead hole have accelerated the construction progress and accumulated valuable experience for the construction of this type of project.

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