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Submitted on: 09 October 1999.
Revised on: 03 February 2000.
Accepted on: 16 March 2000.
___________________Journal of Advanced Concrete Technology
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Submitted on: 21 October 2006.
Revised on: 29 December 2006.
Accepted on: 25 February 2007.
___________________Journal of Advanced Concrete Technology
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Submitted on: 18 January 2019.
Revised on: 09 May 2019.
Accepted on: 29 June 2019.
___________________Journal of Advanced Concrete Technology
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