7Villaescusa E,Schubert C J.Monitoring the performance of rock reinforcement[J].Geotechnical and Geological Engineering,1999,17(3):321-333.
8Song G,Stankus J.Control mechanism of a tensioned bolt system in the laminated roof with a large horizontal Stress:The 16th Int,Conf on Ground Control in Mining[C].Morgantown,West Virginia:[s.n.],1997.
