3Song Guo,Stankus J.Control mechanism of a tensioned bolt system in the laminated roof with a large horizontal stress[A].16th Int.Conf.on Ground Control in Mining[C].Morgantown:West Virginia,1997.
4Villaescusa E,Schubert C J.Monitoring the performance of rock reinforcement[J].Geotechnical and Geological Engineering,1999,17(3):321~333.
5Pellet F,Egger P.Analytical model for the mechanical behaviour of bolted rock joints subjected to shearing[J].Rock Mech.Rock Eng.,1996,29(2):73~79.
8Oreste P P and Peila D.Radial Passive Rockbolting in Tunnelling Design with a New Convergence-Confinement Ment,Int.J.Rock Mech.Min.Sci.& Geomech.Abstr.1996,33(5):443-454.
9Feng Z L,Lewis R W.Opitimal Estimation of In-situ Ground Stresses from Displacement Measurements,Int.J.Number.Ana.Methods in Geomech[J].1987,(11):391 - 408.