Téléchargez le livre : Theory and Method of Automatically Formed Roadway in Underground Mining

Theory and Method of Automatically Formed Roadway in Underground Mining

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Springer


Paru le : 2024-10-19

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Description

This book investigates in detail the theory and method of automatically formed mining roadway (AFR). The AFR method utilizes mining pressure and broken expansion characteristics of the collapsed rock mass in the gob to automatically form roadways, which changes the traditional “long cantilever beam” to “short cantilever beam” structure, and eliminate roadway excavation and coal pillar reserve. Key technologies are developed under the guidance of the “equilibrium mining” theory, such as in situ drilling and zoning technology, roof directional presplitting technology, high prestressed constant-resistance support technology, and gangue blocking support technology. The mining technologies and methods are successfully applied to a large number of coal mines of different geological conditions. The book is intended for both researchers and practitioners working in the mining, civil, and geological engineering fields.
Pages
155 pages
Collection
n.c
Parution
2024-10-19
Marque
Springer
EAN papier
9789819780815
EAN PDF
9789819780822
Informations sur l'ebook
Nombre pages copiables
1
Nombre pages imprimables
15
Taille du fichier
26051 Ko
Prix
168,79 €
EAN EPUB
9789819780822
Informations sur l'ebook
Nombre pages copiables
1
Nombre pages imprimables
15
Taille du fichier
98417 Ko
Prix
168,79 €

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