Based on comprehensive evaluation of the abandoned stope and stress tests in Jinfeng gold mine,a new technique of dilapidating roof by cutting groove with controlled blasting method is put forward.

• 在对金凤公司采空区综合评价与应力测试基础上,提出了控制爆破切槽放顶处理采空区的新技术,并详细介绍了新技术要点及实施细节。