School of material science and engineering, Jinchuan company. Groundpressure activity disciplinarian and control method on the bad position of roadway at No. 2 mine, 1983.
北京科技大学，金川公司。金川二矿区不良岩层巷道地压活动规律及控制方法的研究。
2
By monitoring the groundpressure, the characteristics of groundpressure in underground mine and the stability status of pillars are acquired.
通过对地压的监测，得出该矿山的地压活动特点与矿柱目前的稳定性情况。
3
In this paper the reasons for the groundpressure appearance of 690 level in Tongkuangyu mine are analysed. It is hoped that gives reference for ground disaster protection.