supported by the Special Funds of the National Natural Science Foundation of China(No.51227003);the National Natural Science Foundation of China(No.51074166);the Universities Natural Science Research Project of Jiangsu Province(No.11kjd13002)
Mechanical model of anchorage surrounding rock considering tray effect was established based on elastic theory,in order to study the mechanism of bolt supporting.Elastic solutions of normal force at point in the inter...