Features and control measures of debris flow along the highway from Yingxiu to Wolong, Sichuan province

Debris flow has a wide distribution and frequent occurrence along Yingwo Road after "5.12" earthquake,The survey results show that there are 57 debris flow valleys,Among them,28 debris flow valleys belong to valley debris flow,and 29 debris flow on slope,valley debris flow with large-extra large,and debris flow on slope with small,For the development of the area of debris flow characteristics,a combination of biological control and project management control measures is put forward,it gives a positive to Yingwo Road in disaster prevention and mitigation projects.