Edité par China University of Mining and Technology Press, 2020
ISBN 10 : 7564647051 ISBN 13 : 9787564647056
Langue: chinois
Vendeur : liu xing, Nanjing, JS, Chine
EUR 57,45
Autre deviseQuantité disponible : 3 disponible(s)
Ajouter au panierpaperback. Etat : New. Paperback.Pub Date:2020-06-01 Pages:93 Language:Chinese Publisher:China University of Mining and Technology Press Deep rock formations have high in-situ stress. complex structures. and developed geological bedding fissures. Therefore. the surrounding rock control of deep soft rock roadways has become a major issue. technical challenge.?The support technology commonly used in ordinary shallow roadways can no longer meet the requirements of deep roadway support.?Research on surrounding rock con.