Through analyzing the geological conditions of national highway 307 slop reconstruction engineering, the article protects the slope by applying SNS active flexible protection net, and describes its protective principles and assembling procedure. The operation effect shows that： SNS active protection net is a kind of new environmental protection and economic and safe slope protection method.%通过分析国道307线坡头段改线工程的地质情况,采用SNS主动柔性防护网进行坡面防护,阐述了SNS主动柔性防护网的防护原理以及安装工序,实施效果表明：SNS主动防护网是一种新型环保、安全经济的坡面防护形式。
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