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Submitted on: 27 February 2003.
Revised on: 30 May 2003.
Accepted on: 15 June 2003.
___________________ACI STRUCTURAL JOURNAL---AMER CONCRETE INST
Submitted on: 28 January 2017.
Revised on: 06 April 2017.
Accepted on: 20 May 2017.
___________________ACI STRUCTURAL JOURNAL---AMER CONCRETE INST
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