Submitted on: 05 August 2001.
Revised on: 25 November 2001.
Accepted on: 10 January 2002.
___________________Journal of Materials and Engineering Structures
Submitted on: 26 July 2004.
Revised on: 06 September 2004.
Accepted on: 20 October 2004.
___________________Journal of Materials and Engineering Structures
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Submitted on: 21 March 2019.
Revised on: 31 May 2019.
Accepted on: 21 July 2019.
___________________Journal of Materials and Engineering Structures
http://reply.papertrans.cn/2/179/17855/17855-35.png
Submitted on: 23 November 2005.
Revised on: 24 December 2005.
Accepted on: 16 February 2006.
___________________Journal of Materials and Engineering Structures