financially supported by the National Natural Science Foundation of China (No.51374139);the Natural Science Foundation of Shandong Province (No.ZR2013EEM018);the Scientific Research Innovation Team Support Plan of Shandong University of Science and Technology
Based on the boundary support conditions of overlying high-position,hard and thick strata,a Winkler foundation beam mechanical model was built.Computational expressions for the characteristics and position of the bend...