Application Theory Research of Gob-Side Entry Re(Chinese Edition)
YangHongyun . LiuYanbao . LinZhi
ISBN 10: 7502488502 ISBN 13: 9787502488505
Editore: Metallurgical Industry Press, 2021
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Language:Chinese.Paperback. Pub Date: 2021-04-01 Publisher: Metallurgical Industry Press This book is a summary of the author's many years of scientific research. The book establishes an adaptive grading system for gob-side entry retention. Six geological factors. such as lithology. direct roof influence coefficient and roof integrity. were used to evaluate the adaptability of gob-side entry retention. and the influence weights of the 6 geological factors were obtained through AHP. The adapta. Codice articolo AMZ093896_NX027813_093896
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Titolo: Application Theory Research of Gob-Side ...
Casa editrice: Metallurgical Industry Press
Data di pubblicazione: 2021
Legatura: paperback
Condizione: New