Debris flow hazard and countermeasures at Luojia Gully,Lushi County,Henan province

By the investigation and analysis of the local topography,storm characteristics,drainage area,lithology,geological structure,hydrogeological conditions,the source of debris flow material,for the debris flow with a high risk of traffic flow,slow flow characteristics,combined with the subject disaster area and the object and its overall layout of the distribution relationship,according to the prevention and treatment combination,in accordance with local conditions,highlighting the main principles set in rows,the comprehensive countermeasures are set up,such as retaining walls,drainage canal,dikes plus plate culverts.