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Engineering evaluation of the stability of underground arched excavations

โœ Scribed by V. A. Zhilkin; M. A. Beinenson; N. S. Chetyrkin; M. B. Bogdanova; V. I. Sheinin


Book ID
112729977
Publisher
Springer
Year
1990
Tongue
English
Weight
467 KB
Volume
27
Category
Article
ISSN
0038-0741

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Keyblock has been received a lot of attention in underground engineering because it loses its stability first after excavation. Block theory originally proposed by Shi could not build the geometric characteristics of keyblock and explain how to determine the precise locations of keyblock. Therefore,