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During the process of mining in Antaibao Surface Mine, it is a key technical problem to scientifically and rationally determine the roof safe thickness of the mined-out areas. Based on Reissner theory, the conceptual model of roof of the mined-out areas in Antaibao Surface Mine was proposed considering construction dynamic loading. Then the analytical solutions for the deflection and bending moment...
Job-hopping occurs frequently in modern companies. Employee are classified into talent one and general one. Then the employees' payoff Matrix is given in the view of the employees. Evolutionary game theory is applied to analyze the employee's job-hopping problem. The results are obtained that talent employee prefers to choosing job-hopping, while general one would keep the work in the long term.
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