As a major national water conservancy project
Qingyukou Reservoir Project
After more than a year of intense and orderly construction
Construction of the temporary bridge has been completed
Concrete mixing system, phase I cofferdam
Preliminary works such as excavation and support of the right bank abutment
At present, the first phase of the project longitudinal cofferdam concrete
The highest point has been poured to an elevation of 360.8 meters
At the construction site of the Qingyukou Reservoir Project, the towering crawler crane waved the iron arm, the transport vehicles shuttled back and forth, dozens of construction machinery kept working, and some of the workers were busy with electric welding, some of them were binding steel bars, some were pouring concrete, and some were building a solid slope.
Rui Yunpeng, on-site technician of Qingyukou Reservoir Project Department of China Railway 11th Bureau
At present, we invest more than 200 workers and more than 40 sets of equipment every day to work continuously 24 hours a day. The aggregate processing system and mixing system are produced 24 hours a day to ensure the demand for concrete on site.
In order to ensure the quality of the project, the construction party adopts the mixing system to control the temperature of the concrete machine with primary and secondary air cooling, and the construction site adopts an intelligent temperature control system to reduce the temperature rise of the entity, so as to realize real-time, online and whole-process monitoring and management of the concrete temperature to ensure the quality of the concrete entity.
Yan Ziying, member of the Technical Branch of the Qingyukou Reservoir Project Department of the 11th Bureau of China Railway
We are also equipped with an intelligent temperature control system to control the flow rate of water by collecting the internal temperature of concrete in real time and uploading it to the cloud for data analysis. At the same time, the exterior of the concrete is sprinkled and cured to ensure that the concrete temperature meets the design requirements and the quality of the concrete.
At the same time, with the coming of the flood season, the construction party is seizing the "golden period" of construction in the dry season, adding heavy machinery and equipment, and optimizing the construction process. It is expected that the upper and lower longitudinal sections of the longitudinal cofferdam will be poured by the end of this month to an elevation of 361 meters, and all the construction tasks of the first phase of the project will be completed before the flood season, forming the second phase of the flow channel to ensure the safety of the project.
Rui Yunpeng, on-site technician of Qingyukou Reservoir Project Department of China Railway 11th Bureau
In order to speed up the construction progress, we used the crawler crane and the horizontal tank to carry out concrete pouring construction, and continuously optimized the construction organization to ensure that the first phase of the dam construction task was completed before the arrival of the flood season.
It is understood that the Qingyukou Reservoir is a reservoir that focuses on flood control, combines water supply and power generation. With a total investment of more than 4.36 billion yuan and a total construction period of 67 months, the total construction period of the project will enable the flood control capacity of Tongjiang County to reach once in 20 years after completion, which will play an important role in promoting the sustainable development of the local economy and society and consolidating and expanding the achievements of poverty alleviation in the old revolutionary base area.
Li Weisheng, deputy director of the Qingyukou Reservoir Construction Management Center in Bazhong City
In the next step, we will anchor the node task and complete the concrete pouring of the dam foundation and longitudinal cofferdam of the first phase of the project before the flood to ensure the safety of the project. At the same time, after the flood season, arrange in advance the deployment of the second phase of the interception work.