›› 2009, Vol. 30 ›› Issue (11): 3347-3351.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Study of liquefaction of silty soil and mechanism of development of hard layer under wave actions at Yellow River Estuary

ZHANG Min-sheng，LIU Hong-jun，LI Xiao-dong，JIA Yong-gang，WANG Xiu-hai   

  1. Key Lab. of Marine Environmental Science and Ecology,Ministry of Education College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, China
  • Received:2007-12-11 Online:2009-11-10 Published:2010-01-07

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Abstract:

Experiments are conducted in a wave flume to study liquefaction of silty soil and development of hard layer under wave actions at the Yellow River Estuary. Results indicate that under wave actions superficial silty soil is in liquefaction for most of the times, which leads to a W-shaped sliding interface between the oscillatory layer and the underlying layer; with the passage of time, thickness of the oscillatory layer decreases while that of plume-like sediments increases till the oscillation is stopped. Therefore, the liquefaction of silty soil is the prerequisite for the development of hard layer, while the oscillation of liquefied soil body due to wave actions makes possible the development of hard layer.

Key words: hard layer, wave flume experiment, liquefaction, layer of clay particles, pore water pressure

CLC Number: 

  • TU 443
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