• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 17 Issue 1
Feb.  2004
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Article Contents
CHENChun-guang, YAOLing-kan, YANG Qing-hua. Experimental Research on Confluence betweenDebris Flow and Main River[J]. Journal of Southwest Jiaotong University, 2004, 17(1): 10-14.
Citation: CHENChun-guang, YAOLing-kan, YANG Qing-hua. Experimental Research on Confluence between Debris Flow and Main River[J]. Journal of Southwest Jiaotong University, 2004, 17(1): 10-14.

Experimental Research on Confluence between Debris Flow and Main River

  • Publish Date: 25 Feb 2004
  • Model similarity-rules for confluence between a debris flow and the main river were analyzed, and a series ofmodel experimentswere performed to investigate the regularityof confluence between a debris flowand the main river. The experimental result shows that the movement patterns of a debris flow are different in the intersection region for different relationships between the branch and the main river and can be divided the submerging flowand the stratification flow. In the submerging flow, the velocityof the debris flowhead, submerging intowater, decreases approximately linearly, the changes in its height and length are very small, and there is a linear relationship between the width and the length. All these are quite different from a density current. Furthermore, whenwater flows into the branch, the debris flowheadwill be broken bywater, resulting in the sedimentation of sand and stone. Under that condition, the debris flow entering into the river becomes a stratiform flow.

     

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