Submitted on: 07 August 2008.
Revised on: 18 August 2008.
Accepted on: 14 September 2008.
ROCK MECHANICS AND ROCK ENGINEERING
http://reply.papertrans.cn/3/273/27298/27298-22.png
http://reply.papertrans.cn/3/273/27298/27298-23.png
Submitted on: 10 November 2013.
Revised on: 17 December 2013.
Accepted on: 07 January 2014.
ROCK MECHANICS AND ROCK ENGINEERING
Submitted on: 30 December 2001.
Revised on: 11 February 2002.
Accepted on: 10 March 2002.
ROCK MECHANICS AND ROCK ENGINEERING
http://reply.papertrans.cn/3/273/27298/27298-26.png
http://reply.papertrans.cn/3/273/27298/27298-27.png
http://reply.papertrans.cn/3/273/27298/27298-28.png
Submitted on: 26 August 2020.
Revised on: 04 October 2020.
Accepted on: 18 October 2020.
ROCK MECHANICS AND ROCK ENGINEERING
http://reply.papertrans.cn/3/273/27298/27298-30.png