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本文以多丰铁路复线为例,应用开发建设项目水土保持损益分析理论方法,计算出线路穿越丘陵段和中山段的水土流失影响指数SWII为0.288和0.325,中山段由于挖填方量和弃渣量大,其SWII值大于铁路行业的平均值0.300,并针对存在的问题提出了对策措施。
Taking Duofeng Railway double track as an example, this paper calculated the water loss and soil erosion impact index SWII of line crossing hilly section and Zhongshan section 0.288 and 0.325 by applying the theory of soil and water conservation profit and loss of development and construction project. The SWII value is larger than the average value of 0.300 in the railway industry, and countermeasures are put forward for the existing problems.