Submitted on: 07 February 1999.
Revised on: 20 March 1999.
Accepted on: 17 April 1999.
___________________Journal of Civil Engineering and Management
Submitted on: 15 September 2012.
Revised on: 28 November 2012.
Accepted on: 22 December 2012.
___________________Journal of Civil Engineering and Management
Submitted on: 26 April 2005.
Revised on: 11 July 2005.
Accepted on: 02 August 2005.
___________________Journal of Civil Engineering and Management
http://reply.papertrans.cn/2/159/15864/15864-24.png
Submitted on: 23 July 2018.
Revised on: 23 October 2018.
Accepted on: 28 November 2018.
___________________Journal of Civil Engineering and Management
http://reply.papertrans.cn/2/159/15864/15864-26.png
http://reply.papertrans.cn/2/159/15864/15864-27.png
http://reply.papertrans.cn/2/159/15864/15864-28.png
http://reply.papertrans.cn/2/159/15864/15864-29.png
Submitted on: 13 December 2012.
Revised on: 18 March 2013.
Accepted on: 16 April 2013.
___________________Journal of Civil Engineering and Management