基于地应力和二次损伤的预留光爆层爆破参数研究

王卫华,孙腾飞,刘希涛

Study on Blasting Parameters of Pre-reserved Smooth Blasting Layer Under In-situ Stress and Double Damage

Weihua WANG,Tengfei SUN,Xitao LIU

图3 预留光爆层厚度与相邻周边孔连线方向上切向应力大小（ σ 2 θ 0 ）的关系

Fig.3 Relation between the thickness of the reserved optical explosion layer and the stress in the direction of the adjacent peripheral holes