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fast technology reported on september 2nd,according to the official weibo account of china railway construction corporation, the hxzq-5 section of the beijing-shanghai high-speed ​​railway project, in which china railway industry, a subsidiary of china railway construction corporation, participated in the construction, took 56 minutes to rotate 67 degrees clockwise and successfully completed the rotation.

this super-large bridge spanning the beijing-shanghai high-speed ​​railway stands majestically in dingyuan county, chuzhou city, anhui province. it is 4.6 kilometers long. the most eye-catching part is the (72.2+72.2) meter super-long steel box truss composite beam design used between piers 153 and 155. it cleverly spans the busy beijing-shanghai high-speed ​​railway line, demonstrating the exquisiteness and courage of engineering technology.

the steel box truss adopts a unique triangular truss structure. it is not only 146 meters long but also 25.4 meters wide. with its unique design of a four-line bridge, it has become the world's first steel box truss composite bridge that realizes the rotation of four-line high-speed railways.it demonstrates china's leading position in high-speed railway bridge construction.

in this project, china railway industry bravely took on the heavy responsibility of manufacturing and installing up to 3,650 tons of steel beams, once again demonstrating its strong technical strength and construction capabilities.

as a fast passenger transport channel connecting south china, southwest china and central china, as well as beijing-tianjin-hebei, shandong peninsula and northeast china, the strategic significance of hexin railway is self-evident.

the completion of the project will greatly optimize and improve the layout of the national high-speed railway network, accelerate the deep integration of the inland and coastal economies, inject strong impetus into the construction of the huaihe ecological economic belt, and effectively promote the coordinated economic and social development of the regions along the line. it has immeasurable important value in promoting the in-depth implementation of the yangtze river economic belt and the integrated development strategy of the yangtze river delta.