The structure model and its application to roof rock pressure control in gateways of a deep mine

摘要

The key of the roof rock pressure control in gateway lies first in having thorough knowledge of the dynamic change of the surrounding rock movement and stress fields as the face advances so as to establish the dynamic face-structure mechanics model in accordance with the objective reality. Then, on this basis, by correctly selecting the location of gateways and their excavating time, one can set up the corresponding dynamic gatewat-structure mechanics model so as to solve problems concerning the gateway support design techniques.