Submitted on: 11 June 2011.
Revised on: 02 July 2011.
Accepted on: 11 July 2011.
Periodica Polytechnica-Civil Engineering
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Submitted on: 17 November 2017.
Revised on: 15 December 2017.
Accepted on: 27 December 2017.
Periodica Polytechnica-Civil Engineering
Submitted on: 18 April 2000.
Revised on: 11 May 2000.
Accepted on: 22 May 2000.
Periodica Polytechnica-Civil Engineering
Submitted on: 18 August 2016.
Revised on: 28 September 2016.
Accepted on: 25 October 2016.
Periodica Polytechnica-Civil Engineering
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Submitted on: 10 June 2017.
Revised on: 20 June 2017.
Accepted on: 14 July 2017.
Periodica Polytechnica-Civil Engineering
Submitted on: 19 September 2008.
Revised on: 06 October 2008.
Accepted on: 26 October 2008.
Periodica Polytechnica-Civil Engineering