宜涪高铁宜昌至五峰段线路方案研究

Route Alignment Scheme for the Yichang-Wufeng Section of Yichang-Fuling High Speed Railway

宜涪高铁宜昌至五峰段是沿江高速铁路通道的重要组成部分,沿线地质条件十分复杂,为稳定该段线路方案,通过采用高分2号遥感解译及大场景识别、工程及水文地质测绘、无人机勘测、物探、钻探及示踪试验等综合勘察手段深入研究沿线不良地质特征。结合线路走向、经济据点分布提出3组比选方案,综合评价各方案工程、地质、环保、吸引客流、车站、线路长度及工程投资等方面因素。研究表明,经渔洋关沿柴埠溪北侧方案和经渔洋关沿宜来高速公路方案穿越岩溶区段施工及运营期间风险可控、对地方经济推动作用较大、对环境影响较小,予以推荐。

The Yichang-Wufeng section of the Yichang-Fuling high-speed Railway is a crucial part of the“High-speed Railways Along the Yangtze River(Yangtze HSR)”.The geological conditions along the route are highly complicated.In order to stabilize the route alignment,in-depth research on the geological condition along the line is generated,by using the Gaofen-2 satellite to obtain data and remote sensing,and other comprehensive methods and tools such as large scene recognition,engineering and hydrogeological surveying and mapping,UAV survey,geophysical prospecting,drilling and tracer test.Based on the route alignment and the distribution of local traffic points,three sets of comparison schemes are proposed,comprehensively analyzing each scheme by evaluating the factors,such as engineering,geology,environmental protection,passenger flow,distribution of stations,length of route and engineering investment,etc.The research show that the scheme of Yuyangguan along the north side of Chaibuxi and the scheme of Yuyangguan along Yilai Expressway is more convincing when passing through the karst topography,since they have controllable risks and contributes more to the local economy.Also,less impact on the environment.As a result,these schemes are recommended.