The girder erection work of the whole line of Da Sheng railway in Guinea was successfully completed

On May 10, 2020, in DK71 Beam Yard, the first railway T-beam yard of Dasheng railway project department, the concrete pouring of the first box girder was started; on July 23, the first T-beam across Alcoa railway bridge was successfully erected; on December 10, DK71 Beam Yard successfully completed 218 T-beams of 20 bridges from Dasheng railway cross Alcoa railway bridge to KuWo River Bridge; on February 15, 2021, the last T-beam was finished T beam erection is completed. The whole line of Dasheng railway took 282 days to complete and the construction mileage exceeded 100 km.

Since entering the site, the project Department of Dasheng railway has firmly implemented the decision and deployment of the superior units, organized the team and machinery and equipment to enter the site in advance, grasped the construction period against the clock, ensured the quality and quantity of safe production, continuously strengthened the railway professional construction ability, accumulated rich construction experience, and cultivated a number of skilled construction teams. Now, the fabrication, transportation and girder erection of Dasheng railway has been successfully completed, which has laid a good foundation for the next track laying work, and made full preparations for further deepening the cooperation with the owners and promoting the rolling development of territorial operation.

Surface cleaning of access road before entrance of jindia tunnel completed

Due to the tight construction period, heavy tasks and high standards, the project team of Kindia tunnel adheres to the belief of "start at the beginning and work hard at the beginning". On January 23, the owner completed the land acquisition of the access road; the next day, the project team started the clearing work; four days later, the clearing work of the 11.6km access road in the small mileage direction was completed; on February 6, the clearing work of the 24.1km access road was completed, one day ahead of the original plan.

The foundation is not firm, the earth is shaking, and the surface cleaning is the basic work of the whole tunnel project. Guinea company adheres to the principle of selecting the best from the best for the key position personnel, labor team, construction organization scheme and technical scheme on site; for the special situations such as 19 swamps, adjustment of transverse and longitudinal slopes, and large drop of access road, through on-site exploration, comparison and discussion, the relevant scheme is formulated and strictly implemented in the construction process, so as to ensure the construction quality and safety.

At the beginning of the stage, the project team established a working wechat group to facilitate the deployment of domestic and overseas leaders and the feedback of on-site personnel, and set up a "zero time difference" information exchange platform. Every day, a special person shall be responsible for the statistics of "on-site personnel, mechanical equipment, materials on site and work completion", fill in the daily work report, and report in the group before work, so as to ensure that the relevant personnel have a clear idea of the construction situation, and give full play to the good advantages of linkage at home and abroad and joint management.

Now, the surface cleaning of the access road has been successfully completed, and the road from the temporary camp to the tunnel entrance is smooth. In the next step, the project team will seize the time to invest in the construction of the temporary construction site and the cutting at the entrance of the tunnel with a more optimistic attitude and full enthusiasm, so as to ensure the smooth commencement of the tunnel and fulfill the promise of high quality performance with practical actions. Video column Director / Liu Lu