The first -tier construction 丨 China Railway Second Bureau has accelerated construction and continuous progress

recently

Participate in the second bureau of China Railway

Another batch of key projects

New progress

On September 17th, the 4th standard large turning tunnel of the Chu Xiong section of Yunnan Province, which was undertaken by the China Railway Second Bureau, was successfully opened to the upstream main hole in the upstream of 6#, 608 days from the contract period, and the project construction was obtained. Important breakthroughs.

The total length of the Great Tort Tunnel is 24.47 kilometers. It is one of the special tunnels of more than 20 kilometers in the entire line. Since the construction of the tunnel, the project department has paid close attention to the construction plan, organizes the construction process efficiently, and adopts technical guarantee measures such as advanced geological forecasting, monitoring measurement measurement, and has successively overcome the complex geological structure, strong winds and grassroots, shallow burials, and provincial roads. Technical difficulties; strictly control the process of controlling the process, and continue to optimize the process combination, and promote the parallel operations of each process; adhere to the principle of "preventing and safety first", and continuously optimize the construction plan. Under the premise of ensuring safety and quality The main hole of the main hole from the downstream of the 5#branch to the upstream of the 6#branch hole.

On September 15th, the continuous Lianglong of the Chongzhu Village of the Chongqing High -speed Railway Village, which was undertaken by the China Railway Second Bureau, was successfully completed by the controlling bridge project of the second standard of the Chongqing high -speed railway Sichuan -Chongqing section, and successfully opened up the frame beam channel.

Xiazhu Village Interchange Bridge is located in Shuangzhu Town, Yongchuan District, Chongqing. The bridge has a total length of 3354.2 meters, with a total of 93 pier and platforms. Since the construction of the project, the project department has been in high temperature, anti -heat and heat, and actively implemented various heatstroke prevention and cooling measures to provide a comfortable working environment for operators; adhere to the leadership system, strengthen management personnel to work with class, and ensure that on -site safety supervision is in place. At the same time, strengthen construction quality Control and control the construction process to ensure that the continuous beams are safe and smooth, and open the channel of the box beams, laying a solid foundation for the completion of the annual construction goals and tasks.

On September 15, the Tianfu Center International Community Project undertaken by the China Railway Second Bureau successfully completed the pouring work of the 4#building panel, marking the successful capacity of the first building of the project, laying a solid foundation for the subsequent project construction.

The Tianfu Center International Community Project is located on the southeast side of Tianfu New District Tianfu Central Business District. The construction tasks of the second bureau of the China Railway cover the 30F high-rise buildings, 26F high-rise buildings, 5 buildings 20-22F high-rise houses and 2 2F commercial buildings. 113451.1 square meters. Since the beginning of construction, the project department has overcome problems such as unearthed difficulties, rainy season construction, and epidemic prevention and control, optimizing resource allocation, and ensuring the supply of on -site materials; regularly held a regular production meeting and on -site production arrangement meeting, conducting a weekly safety inspection to ensure on -site production safety Essence With the joint efforts of all personnel, the project department successfully completed the node target of the first building.

On September 14th, the Nanjing Metro Line 1 of the China Railway Second Bureau was successfully passed through the unit engineering acceptance project, marking that the north extension line of Nanjing Metro Line 1 is about to enter the stage of non -loading passenger trial operation.

During the acceptance process, the expert group carried out on -site entities and internal data inspections on the project. After two days of acceptance and inspection, the acceptance committee agreed that the Nanjing Metro Line 1 northern extension engineering power supply system undertaken by the China Railway Second Bureau has completed engineering construction tasks to meet the design and related norms, and the system work has been stable. acceptance.

On September 14th, the Guangzhou Comprehensive Pipe Corridor project undertaken by the China Railway Second Bureau 28#-27#interval shield shields successfully started, and the construction of the project gallery project entered a new stage.

In order to ensure the smooth starting of the shield, the project department has overcome difficulties such as tight preparations, long transportation routes, narrow construction venues, difficult assembly, and cross -operation. Control node goals and finely plan the construction organization. At the same time, in order to ensure the safety of the construction of the river, the shield machine is equipped with four shield tail brushes, the hinge seal is two airbags+rubber seals, the unearthed port of the snail machine is a double gate, and there are multiple improved agents injecting ports to effectively ensure guarantee The shield tail, hinge ring, and snail mouth were sealed and reliable.

On September 13, the construction of the 738 prefabricated T -beams of the 738 prefabricated T -beams undertaken by the China Railway Second Bureau was completed, creating favorable conditions for the project to accelerate the progress of the beams and the conversion of the construction process.

In order to ensure the safe and efficient construction of the T -beam prefabricated construction, the project is optimized from technical control, construction management, test testing, materials and equipment preferred, personnel configuration, and process processes. Rate and prefabricated T beams reached 100%, which was well received by owners' units.

Recently, the electromechanical 1 mechanical and electrical 1 bidding project undertaken by the China Railway Second Bureau successfully completed the main structure scanning of Xintun Road Station and Chaoyangshan CBD Station, which accelerated the construction process of the "smart construction site".

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