Making use of the dilatancy of phosphogypsum,the safety of phosphogypsum dam can be forecasted theoretically by the pore water pressure monitoring system.

• 利用磷石膏的剪切破坏发生在负孔压的这一特性,理论上可以通过坝体内孔压变化的监测来预测磷石膏坝的安全性。