平漯周高铁项目漯商特大桥跨孟宝铁路转体梁成功转体合龙

Core Insights - The successful completion of the rotation and connection of the turntable beam at the Luoshang Grand Bridge marks a significant milestone in the construction of the Pingluozhou High-Speed Railway, accelerating the development of the central and southern Henan high-speed rail network [1][2] Group 1: Project Overview - The turntable beam spans 128 meters and weighs 8,000 tons, presenting significant challenges in balance control and precision during construction [1] - The Pingluozhou High-Speed Railway, with a total length of approximately 199.7 kilometers, is the first high-speed railway in Henan province fully funded by the provincial government, connecting multiple major rail lines [2] Group 2: Construction Techniques - The project management team implemented innovative construction methods, including "build first, rotate later" and precise control of the rotation process, to avoid interference with the operational railway [2] - Advanced technologies such as 3D laser positioning and intelligent hydraulic rotation systems were utilized, ensuring that the installation error of the spherical hinge was controlled within millimeter-level accuracy [2] Group 3: Impact on Transportation - Upon completion, the travel time between Pingdingshan and Zhoukou will be reduced from 2 hours to 30 minutes, benefiting over 30 million people across 20 counties and districts along the route [2]