Submitted on: 16 July 2005.
Revised on: 09 September 2005.
Accepted on: 22 October 2005.
___________________Journal of the Korean Geosynthetic Society
Submitted on: 18 May 2010.
Revised on: 17 June 2010.
Accepted on: 08 August 2010.
___________________Journal of the Korean Geosynthetic Society
Submitted on: 24 June 2014.
Revised on: 02 August 2014.
Accepted on: 11 September 2014.
___________________Journal of the Korean Geosynthetic Society
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