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Submitted on: 23 May 2017.
Revised on: 11 August 2017.
Accepted on: 22 September 2017.
___________________Civil and Environmental Engineering Reports
Submitted on: 13 April 2014.
Revised on: 15 June 2014.
Accepted on: 04 July 2014.
___________________Civil and Environmental Engineering Reports
Submitted on: 23 November 1999.
Revised on: 16 February 2000.
Accepted on: 28 March 2000.
___________________Civil and Environmental Engineering Reports
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Submitted on: 08 September 1998.
Revised on: 23 December 1998.
Accepted on: 17 February 1999.
___________________Civil and Environmental Engineering Reports
Submitted on: 30 August 2016.
Revised on: 16 December 2016.
Accepted on: 29 December 2016.
___________________Civil and Environmental Engineering Reports
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