Damage form and control technology of surrounding rock in mining tunnel with composite roof(Chinese Edition) - Softcover

JIA HOU SHENG

 
9787564656874: Damage form and control technology of surrounding rock in mining tunnel with composite roof(Chinese Edition)

Synopsis

Language:Chinese.paperback.Pub Date:2023-06.publisher:China University of Mining and Technology Press.description:Paperback. Pub Date: 2023-06 Publisher: China University of Mining and Technology Press Most of the mining tunnels are excavated in coal seams. and most of them are composite roofs. close to the disturbance source. resulting in severe deformation of

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