Submitted on: 24 April 2001.
Revised on: 12 May 2001.
Accepted on: 04 June 2001.
Studia Geotechnica et Mechanica
http://reply.papertrans.cn/3/289/28807/28807-32.png
Submitted on: 21 May 2021.
Revised on: 28 June 2021.
Accepted on: 03 July 2021.
Studia Geotechnica et Mechanica
http://reply.papertrans.cn/3/289/28807/28807-34.png
Submitted on: 23 August 2011.
Revised on: 20 September 2011.
Accepted on: 04 October 2011.
Studia Geotechnica et Mechanica
http://reply.papertrans.cn/3/289/28807/28807-36.png