<正> A new method for predicting the trend of displacement evolution of surroundingrock was presented in this paper.According to the nonlinear characteristics o
<正> Air leakage may significantly affect the effectiveness of mine ventilation by in- creasing the cost of ventilation and arousing problems for ventilation ma
<正> The odd axes resist pressure intensity with large quantity coal gangue was dis- cussed and experimented on fly ash and coal gangue gel filling body between
<正> With the western development in China, more problems with rock and soil engineering in cold regions will be encountered. To study the stability of rock mas