6SUN Jun, WANG Si-jing. Rock mechanizes and rock engineering in China:developments and current state-of-the-art [ J ]. Int J Rock Mech Min Sci, 2000,37( 1 ) : 447-465.
7MARANINI E, BRIGNOLI M. Creep behaviour of a weak rock: experimental characterization [ J ]. Int J Roek Mech Min Sci, 1999,36 (1) : 127-138.
8Itasca Consulting Group, Inc. Optional Features in FLAC3D [ M ]. American: Itasca Consulting Group, 2004:4-17.