Download or read book Rockbursts in Coal Mines and Their Prevention written by Gerhard Braeuner and published by Routledge. This book was released on 2017-07-12 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: The preventive methods described have proved highly effective. They comprise laying out the workings in such a way as to minimize dangerous concentrations of ground stresses, and early elimination by means of blasting, drilling, or water infusion. An account of these methods as applied in German coal mines, the deepest in the world. Contents: Rockbursts & similar phenomena; Conditions of occurrence; Influence of rock stress; Bursting & nonbursting coal; Long-term prevention; Direct prevention; Borehole patterns for direct prevention; Destressing methods; Case histories.