Based on high and uneven stresses in the orebody of a mine.The blasting crackle spread modelling experiment of the medium under various subjoining-load are studied by use of reformed loading device.

• 基于某矿矿体内存在高应力和各向应力的不均衡性,利用自行改造的加载设备,进行附加载荷介质爆破裂纹扩展的模拟试验研究。