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南方喀斯特地貌区公路建设产生的大量石质边坡对生态环境的破坏非常突出,如破坏植被、地表覆土,增加水土流失等。为保护自然生态环境,将高速公路石质边坡防护和环境保护结合起来进行研究,既可以保障高速公路的安全畅通,又能达到保护环境的要求。靖西至那坡高速公路项目对石质边坡生态恢复进行了尝试,得到较好的工程实施效果,为今后高速公路石质边坡的环境工程设计、施工提供参考。
A large number of stony slopes produced by road construction in the karst topography of southern China have brought great damage to the ecological environment, such as destruction of vegetation, surface soil cover, and increase of soil erosion. In order to protect the natural ecological environment, the research on the combination of highway slope protection and environmental protection can not only ensure the safety and smoothness of expressway, but also meet the requirements of environmental protection. The Jingxi-Napo Expressway project has tried the ecological restoration of stony slopes and obtained better project implementation results, which will provide reference for the future environmental engineering design and construction of stony slope in expressway.