The Lairong Railway Two -standard Haiyang section box beams are all completed

China Railway Fourth Bureau Lairong Railway 2nd standard project

Take the lead in completing the task of all box beams

On August 15th, with the last prefabricated box beams, it fell steadily on the 69-70#bridge pier of the Zizhuang River Bridge, marking the completion of the box beams of the two -standard Yantai Taihai Yang section of the Lairong Railway of China Railway. At this point, the No. 2 Lairong Railway project of the China Railway Fourth Bureau has completed the task of setting up the 666 榀 至 至 至, becoming the first bid for all the box beams to complete all the box beams across the board.

Lai Rong high -speed rail

It is the extension of the Qingyin High -speed Railway to the Shandong Peninsula area, and it is the main channel for foreign passenger exchanges in the Jiaodong Peninsula area. Among them, the Lairong Railway 2nd bidding section of the Lairong Railway, which was undertaken by the China Railway Fourth Bureau, has a total length of 46.374km and a design speed of 350km/h. The bid section contains 12 bridges and other bridges such as transdiflower youth high -speed high -speed speed, smoke high -speed speed, S306 provincial highway. Putting the box beam 666 榀. In order to ensure the construction period, the construction department has set up the Yantaihai Yangdong and Weihai Rushan West -made beams, and set up a bridge team to erected the box beams in the Weihai Rushan and Yantaihai Yang. Among them, the task of the box beams of the Weihai Rushan section was completed on July 12, 2022. The box beams set up for this time are designed at the Yantai Haiyang section to design a speed of 350 kilometers per hour. The high -speed railway prefabricated railless orbit is 32.6 meters long, 12.6 meters wide, 3.035 meters in length, and the design C50 is designed. The concrete 316.1 cubic meters, weighing 790.3 tons.

Since the first box beams in the Yantai Strait Section of Yantai Strait on February 22 this year, the second bidding project of the Lairong Railway of China Railway Fourth Bureau in order to ensure the completion of the box beam standing tasks, actively overcome the impact of the epidemic, carefully organize scientific arrangements, and adhere to the leadership and class system. Strictly implement the "Seventeen No Shelf" management red line, install emergency stop, safe limit device and remote video surveillance system for transportation equipment, strictly control the red line of each process, and promote the task of the box beam stand safely and efficiently. The construction of the track creates favorable conditions.

It is reported that

China Railway Fourth Bureau Laorong Railway Two Tibetan project has been completed in the lower part of the bridge. The tunnel runs through three, and the box beams have been completed. In the next step, the project department will accelerate the construction of road bases and bridges according to the construction organization arrangements, do a good job of handling work surface, and open up multiple operating planes to implement rail -free rail construction to ensure that traffic targets are realized on schedule.

After the completion of the Lairong high -speed rail project, the regional railway network layout will be further improved, the end of the end of the integrated transportation network of the Jiaodong Peninsula will be solved, and the peninsula is 1 hour, 2 hours in the province, and the 4 -hour high -quality transportation circle in Beijing. It is of great significance to integrate and develop the region and other parts of the province.

Edit | Dong Yajing

Editor -in -law | Wang Juan

Review | Xue Minghao

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