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Model studies of prestress in the rock mass surrounding a tunnel excavation

โœ Scribed by A. I. Churakov; E. I. Zhokhov

Publisher
Springer
Year
1979
Tongue
English
Weight
446 KB
Volume
13
Category
Article
ISSN
1570-1468

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Stability analysis of block in the surro
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โœ Jun Liu; Zhongkui Li; Zhuoyuan Zhang ๐Ÿ“‚ Article ๐Ÿ“… 2004 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 508 KB

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,