Submitted on: 22 December 2016.
Revised on: 16 March 2017.
Accepted on: 31 March 2017.
___________________International Journal of Physical Modelling in Geotechnics
http://reply.papertrans.cn/2/140/13952/13952-12.png
http://reply.papertrans.cn/2/140/13952/13952-13.png
http://reply.papertrans.cn/2/140/13952/13952-14.png
http://reply.papertrans.cn/2/140/13952/13952-15.png
Submitted on: 12 March 1998.
Revised on: 11 June 1998.
Accepted on: 07 July 1998.
___________________International Journal of Physical Modelling in Geotechnics
http://reply.papertrans.cn/2/140/13952/13952-17.png
http://reply.papertrans.cn/2/140/13952/13952-18.png
http://reply.papertrans.cn/2/140/13952/13952-19.png
http://reply.papertrans.cn/2/140/13952/13952-20.png