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本刊讯近日,国内首座山区钢箱梁悬索桥(云南普宣高速公路普立钢箱梁悬索特大桥)钢箱梁吊装方案通过由云南省交通运输厅组织的部省专家组评审。普立特大桥是普宣高速的控制性工程。全桥长1040米,主跨为628米,为双塔单跨钢箱梁悬索桥,跨经大,塔身顶高至山谷400多米,钢箱梁共53个节段,每个节段的钢箱梁体积大重达140吨,由于大桥地处地形陡峭,气候复杂,
Recently, the first steel box girder suspension bridge in China (Yunnan Puxuan Expressway Puli steel box girder suspension bridge) steel box girder lifting program passed by the Yunnan Provincial Department of Transportation organized by the provincial expert group review. Purolite Bridge is a high-speed universal control project. The bridge is 1040 meters long and the main span is 628 meters. It is a double-girder single-span steel box girder suspension bridge with a span of 400 meters and a height of 400 meters. The steel box girder has 53 sections in total. Each section of steel Big box girder weighing up to 140 tons, due to the steep topography of the bridge, the climate is complicated,