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基于甘肃平定高速沿线的气候特征,分析了采用绿色植物防护技术处理边坡的技术原理和特点,研究了多级小平台处治黄土边坡的可用性。文章依托平凉至定西高速公路建设工程,从多级小平台的设计原理、施工工艺及施工质量控制3个方面结合实际工程的应用进行了研究。通过实地观测结果表明,采用多级小平台防护技术处治甘肃黄土地区公路边坡的效果是理想的,可以为黄土地区其他边坡工程的处理技术提供参考。
Based on the climatic characteristics of the high-speed railway at Pingding, Gansu, the paper analyzed the technical principles and characteristics of using green plant protection technology to treat slope and studied the availability of multi-level small platform for treating loess slope. Based on the construction project of Pingliang-Dingxi Expressway, the article studied the design principles, construction technology and construction quality control of multi-level small platform with the application of practical engineering. The field observations show that the multi-level small platform protection technology is effective in treating the highway slopes in the loess area of Gansu Province, which can provide reference for other slope engineering treatment techniques in the loess area.