Tunnel stability control is a world-wide difficult problem. For the sake of solving it,the new theory of soft rock engineering mechanics has been estabilished.
Based on the phenomenon that acoustic emissions (AE) generated by rock massincreas uddenly because of underground excavation, time sequence of AE rate in rock f
At the present stage, the exploitation loss and waste of mineral resources are serious. If this trend goes on, it will undoubtedly accelerate the resource deple
High-water material, tailings from goldmine and water are mixed into a new slurry.Testing of rheological properties of stowing slurries A and B is made to deter
Subsidence results in a negative force of friction on the outer surface of the shaft lining. This negative force has in recent years led to damage or even destr