Ground behaviour occured in mining of Maluping ore block by new room-pillar with bolting in Kaiyang Phosphate Mine are analyzed and control measures of ground pressure are put forward.

• 对开阳磷矿马路坪矿段延伸开采工程中采用新型锚杆护顶房柱法出现的地压显现问题进行了详细的分析，并提出了地压控制措施。