›› 2008, Vol. 29 ›› Issue (6): 1494-1499.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Analysis of characteristics and formation of disturbed soil on subaqueous delta of Yellow River

SUN Yong-fu1,2, DONG Li-feng2, SONG Yu-peng2   

  1. 1.College of Marine Geoscience, Ocean University of China, Qingdao 266003, China; 2.First Institute of Oceanography, SOA, Qingdao 266061, China
  • Received:2006-09-27 Online:2008-06-10 Published:2013-07-15

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Abstract: Disturbed soil is widely spreaded on the subaqueous delta of the Yellow River. It is different from the ambient undisturbed soil in many aspects. A sea area in the old Yellow River estuary is chosen as the study area. Geotechnical drilling and geophysical prospecting is processed to get the stratification and the geotechnical characteristics of the soil in this area. It turns out that compared with the undisturbed soil, the bulk density of disturbed is bigger, the void ratio is smaller, the water content is lower, and the shear resistence is higher. The limit liquefaction depth is calculated. The depth is coincident with the maximum thickness of the disturbed soil; and according to the statistics of the geotechnical factors, the abnormity of the soil is more or less limited in this very depth. The forming mechanism of the disturbed soil is discussed; and liquefaction during storm time is believed to be the controlling factor.

Key words: silt, disturbed soil, storm wave, liquefaction

CLC Number: 

  • TU 413
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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