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Analysis of the stresses and displacements in the arch of an underground powerhouse and in the surrounding rock mass by considering the excavation stages

โœ Scribed by S. A. Yufin

Publisher
Springer
Year
1974
Tongue
English
Weight
590 KB
Volume
8
Category
Article
ISSN
1570-1468

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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,