ISBN 10 : 7502487379 ISBN 13 : 9787502487379
Langue: anglais
Vendeur : liu xing, Nanjing, JS, Chine
EUR 108,37
Autre deviseQuantité disponible : 1 disponible(s)
Ajouter au panierpaperback. Etat : New. Paperback. Pub Date: 2021-04-01 Pages: 220 Language: Chinese Publisher: Metallurgical Industry Press Research on prevention and treatment provides effective methods and means. The existing hydrogeological data and accident causes of floor water inrush accidents show that more than 79.5% of floor water inrush accidents in coal mine stopes are related to structures such as floor faults. Faults and other structures can be regarded as geological defects in the surrounding rock of the stope. The e.
Edité par Metallurgical Industry Press, 2021
ISBN 10 : 7502487379 ISBN 13 : 9787502487379
Vendeur : liu xing, Nanjing, JS, Chine
EUR 108,37
Autre deviseQuantité disponible : 3 disponible(s)
Ajouter au panierpaperback. Etat : New. Paperback. Pub Date: 2021-04-01 Pages: 220 Language: Chinese Publisher: Metallurgical Industry Press Research on prevention and treatment provides effective methods and means. The existing hydrogeological data and accident causes of floor water inrush accidents show that more than 79.5% of floor water inrush accidents in coal mine stopes are related to structures such as floor faults. Faults and other structures can be regarded as geological defects in the surrounding rock of the stope. The e.
Edité par Metallurgical Industry Press, 2021
ISBN 10 : 7502487077 ISBN 13 : 9787502487072
Langue: chinois
Vendeur : liu xing, Nanjing, JS, Chine
EUR 89,89
Autre deviseQuantité disponible : 3 disponible(s)
Ajouter au panierpaperback. Etat : New. Paperback.Pub Date:2021-02-01 Pages:160 Language:Chinese Publisher:Metallurgical Industry Press This book consists of 6 chapters. On the basis of introducing the research status of mining floor structure activation water inrush mechanism. the floor fissure area is described in detail. Characteristic characteristics and structural water inrush catastrophe mode. uniaxial compression strength and weak part of the defective rock mass coordinated instability. analysis of crack propagation and inst.