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Submitted on: 21 September 1999.
Revised on: 30 October 1999.
Accepted on: 11 November 1999.
___________________International Journal of Concrete Structures and Materials
Submitted on: 03 September 2013.
Revised on: 22 November 2013.
Accepted on: 07 December 2013.
___________________International Journal of Concrete Structures and Materials
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Submitted on: 06 June 2022.
Revised on: 22 September 2022.
Accepted on: 17 October 2022.
___________________International Journal of Concrete Structures and Materials
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Submitted on: 27 August 1999.
Revised on: 03 December 1999.
Accepted on: 24 January 2000.
___________________International Journal of Concrete Structures and Materials