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Submitted on: 26 May 2011.
Revised on: 05 September 2011.
Accepted on: 12 October 2011.
___________________JOURNAL OF STRUCTURAL ENGINEERING
Submitted on: 11 February 2010.
Revised on: 24 March 2010.
Accepted on: 06 April 2010.
___________________JOURNAL OF STRUCTURAL ENGINEERING
Submitted on: 06 March 2015.
Revised on: 28 June 2015.
Accepted on: 09 July 2015.
___________________JOURNAL OF STRUCTURAL ENGINEERING