ISBN: 9787564645670 - 深部巷道双壳支护理论与技术 (1 risultati)

paperback. Condizione: New. Paperback. Pub Date: 2019-12-01 Pages: 208 Language: Chinese Publisher: China University of Mining and Technology Press This book comprehensively introduces the ** research results of the support mechanism and technology of soft rock roadways in deep mines. The main contents include: soft rock roadways The stress and deformation laws of surrounding rock and its failure characteristics. the creep model and rheological laws of surrounding rock of soft rock roadway. the construction of compresse.…