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stability analysis of a tunnel excavated in a weak rock mass and the optimal supporting system design

✍ Scribed by Choi, Sung O. ;Shin, Hee-Soon


Book ID
108148072
Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
205 KB
Volume
41
Category
Article
ISSN
0148-9062

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Stability analysis of block in the surro
✍ Jun Liu; Zhongkui Li; Zhuoyuan Zhang πŸ“‚ Article πŸ“… 2004 πŸ› Elsevier Science 🌐 English βš– 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,