8[4]Zhu Weishen,Zhang Yujun.Effect of supporting surrounding rocks by bolts and it's application to high slope of Three Gorges flight lock[A].In:Proceedings of the International Symposium on Anchoring and Grouting Techniques[C].Hong Kong:Econarc Communication(group),Ltd.,1994,188～197
9Itasca Consulting Group Inc. FLAC^3D user's manual version 2.0[R].USA: Itasca Consulting Group Inc., 1997.
