1A. Nikkar, 2Z. Mighani, 3S.M. Saghebian, 1S.B. Nojabaei and 4M. Daie
1Department of Civil Engineering, Shomal University, Amol, Iran
2Department of Civil Engineering, Babol Noshirvani University of Technology, Babol, Iran
3Department of Civil Engineering, Islamic Azad University, Ahar Branch, Ahar, Iran
4Department of Civil Engineering, University of Tabriz, Tabriz, Iran
Research Journal of Applied Sciences, Engineering and Technology 2013 1:296-302
Received: June 07, 2012 | Accepted: June 23, 2012 | Published: January 01, 2013