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澧水特大桥的位置为澧常高速公路路线基本走向的控制点,特大桥的设置应根据公路功能及其等级、通行能力,结合地形、河流水文、河床地质、通航要求、河堤防洪、环境影响等进行综合考虑,并设置完善的防护设施,增强桥梁的抗灾能力。该文结合澧常高速公路澧水特大桥总体方案研究的工程实例,对桥位、桥型选择展开研究,并确定最优方案。
The location of Lushui Bridge shall be the control point of the basic direction of the normal expressway route. The setting of the special bridge shall be based on the function of the highway and its grade and capacity, in combination with the topography, river hydrology, river bed geology, navigation requirements, river embankment flood control, environment Impact and other comprehensive consideration, and set up a sound protective facilities to enhance the resilience of the bridge. Based on the engineering examples of the overall scheme of the Sui Shui Bridge of the Chang-Chang Expressway, this paper studies on the choice of bridge position and bridge type and determines the optimal scheme.