论文部分内容阅读
叙述了坚硬顶板注水机理以及注水放顶的技术效果,说明注水压裂软化硬岩顶板技术的实用性。
The mechanism of water injection through hard roof and the technical effect of water injection and top caving are described. The practicability of water injection fracturing and softening of hard rock roof is described.