Title: Research on the Disaster of Debris Flow of Bayi Gully,Longchi,Dujiangyan,Sichuan on August 13,2010
Abstract:Based on field investigation and analysis,the formation conditions of the debris flow occurred in Bayi Gully,LongChi,Dujiangyan,like topography,water source and sediment source,were analyzed.The chara...Based on field investigation and analysis,the formation conditions of the debris flow occurred in Bayi Gully,LongChi,Dujiangyan,like topography,water source and sediment source,were analyzed.The characteristics and formation of debris flow were elaborated and dynamic parameters were calculated,which were the density of 1.88 g·cm-3,discharge of 1 082 m3·s-1,and yield stress of debris flows more than 6 700 Pa.The total volume of sediment in debris flows were estimated at 116×104 m3,the large boulder involving in debris flows in depositional fans have powerful impact force.Finally,the development trend of the debris flow was predicted.Because there are a lot of collapse and landslide in the drainage basins,so it have maximum possibility of happening large-scale debris flow in continuous heavy rainfall.Read More
Publication Year: 2011
Publication Date: 2011-01-01
Language: en
Type: article
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Cited By Count: 12
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