The first totally prefabricated subway station in China, with completely prefabricated main structures, internal structural beams, slabs and columns, completed on Wednesday in Qingdao, province of Shandong, for line 6 of the coastal city that will open in purposes of 2024.
The first phase of the Qingdao 6, 30.47 kilometers long with 21 stations, is financed by the Qingdao Metro Group and is being built by China Railway No 4 Engineering Group Co Ltd (Grow). . The completion took place at Kelshi station.
More than 30 construction workers spent six months gathering the 23,000 meters tons in a process similar to "putting together construction blocks," according to the Qingdao Metro group.
different from traditional construction modes, all components of a prefabricated metro station occur and process in a special factory, while excavation work on the station site continues simultaneously.
Wang Kaifa, director of the Project CREC4, said that the new technology can save four to six months and reduce the number of workers required by 80 percent.
You can also save 800 metric tons of steel and 800 cubic meters of wood and reduce construction waste by 60 percent, cutting carbon emissions by 20 percent.
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