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Submitted on: 23 January 2006.
Revised on: 09 February 2006.
Accepted on: 26 February 2006.
Structure and Infrastructure Engineering
Submitted on: 09 August 2002.
Revised on: 13 September 2002.
Accepted on: 04 October 2002.
Structure and Infrastructure Engineering
Submitted on: 16 October 2013.
Revised on: 11 November 2013.
Accepted on: 22 November 2013.
Structure and Infrastructure Engineering
Submitted on: 07 May 1999.
Revised on: 03 June 1999.
Accepted on: 17 June 1999.
Structure and Infrastructure Engineering