In this paper,the unconfined uniaxial compression tests on backfills with different cement-tailings ratio in the special large-sized stope in Anqing copper mine are presented.

• 对安庆铜矿特大型采场不同灰砂配比的充填体进行了无侧限单轴抗压试验,根据试验测得的单轴压缩韧度参数,了解了胶结充填体的韧性性能。