›› 2008, Vol. 29 ›› Issue (4): 919-924.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Exploration of distributed law of bank collapsing and plane eddy mechanism of arc collapsing along middle-lower Yangtze River

WANG Yuan, LI Dong-tian   

  1. College of Civil Engineering, Hohai University, Nanjing 210098, China
  • Received:2006-05-15 Online:2008-04-10 Published:2013-07-10

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Abstract: Based on remote sensing synthetic analysis, the distribution regularities of strip collapsing and arc collapsing along middle-lower Yangtze River are explored. The mechanisms of the two types of bank collapsing, especially the plane eddy mechanism of arc collapsing are discussed. It is considered that the occurrence of arc collapsing is resulted from the forming of whirlpools near some special shores. Using the eddy theory of hydrodynamics, the principles and the method by means of critical negative pressure to evaluate the occurrence of arc collapsing are suggested.

Key words: bank collapsing, strip collapsing, arc collapsing, eddy theory, critical negative pressure

CLC Number: 

  • TV 133.2
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