The existence of the interface between soft and hard rock often makes it difficult to control the blasting effect. Studying the influence of structural plane and delayed initiation time on rock ...

The lithology is complex, mainly composed of thick mud shale interbedded with limestone, siltstone, and interbedded mud shale, siltstone, and limestone, as well as coal seam/coal line interbedding.

平台声明：该文观点仅代表作者本人，搜狐号系信息发布平台，搜狐仅提供信息存储空间服务。