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Paper Information

Journal:   JOURNAL OF SEISMOLOGY AND EARTHQUAKE ENGINEERING   SUMMER 2006 , Volume 8 , Number 2; Page(s) 71 To 80.
 
Paper: 

EFFECT OF PLASTIC FINES ON CYCLIC RESISTANCE OF SATURATED SANDS

 
 
Author(s):  GHAHRAMANI M.*, GHALANDARZADEH A., MORADI M.
 
* 
 
Abstract: 

Abstract: Soil mixtures such as clayey sands, silty sands, and clayey silts are more commonly found in the nature that pure clays, silts, and sands. Most previous studies on liquefaction have been focused on clean sands and sands with little fines, for it was believed that fines and sands containing fines are not prone to liquefaction. However, after a number of earthquakes where soils with high plastic fines liquefied, the subject drew the attention of a number of researchers. One of the interesting cases of liquefaction occurred on June 22, 2002 during Changureh, Iran earthquake. Surface soil in this area is mostly clay; however, clear traces of sand boiling, softening of soil, and consequent deformations were observed. The preliminary tests

showed that the soil has a < No. 200 fraction of 44% with a liquid limit and a plasticity index of 38 and 18, respectively. As these types of soils are commonly found on the western-north and west of Iran, it seems necessary to investigate the problem in the country. This paper investigates the effect of plastic fines and their plasticity on the cyclic resistance of sands.

 
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References: 
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  Persian Abstract Yearly Visit 86
 
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