Submitted on: 04 June 2015.
Revised on: 18 July 2015.
Accepted on: 23 July 2015.
ROCK MECHANICS AND ROCK ENGINEERING
Submitted on: 22 June 1999.
Revised on: 01 August 1999.
Accepted on: 09 August 1999.
ROCK MECHANICS AND ROCK ENGINEERING
http://reply.papertrans.cn/3/273/27297/27297-33.png
http://reply.papertrans.cn/3/273/27297/27297-34.png
http://reply.papertrans.cn/3/273/27297/27297-35.png
Submitted on: 23 September 2019.
Revised on: 08 October 2019.
Accepted on: 26 October 2019.
ROCK MECHANICS AND ROCK ENGINEERING