Submitted on: 30 April 2013.
Revised on: 25 July 2013.
Accepted on: 22 September 2013.
___________________Journal of the International Association for Shell and Spatial Structures
Submitted on: 02 March 2016.
Revised on: 23 May 2016.
Accepted on: 19 July 2016.
___________________Journal of the International Association for Shell and Spatial Structures
http://reply.papertrans.cn/2/198/19750/19750-33.png
http://reply.papertrans.cn/2/198/19750/19750-34.png
Submitted on: 11 October 2001.
Revised on: 01 November 2001.
Accepted on: 23 December 2001.
___________________Journal of the International Association for Shell and Spatial Structures
Submitted on: 29 June 2018.
Revised on: 03 September 2018.
Accepted on: 13 October 2018.
___________________Journal of the International Association for Shell and Spatial Structures