Rock displacements in the vicinity of the face of the unsupported excavation
About authors
- 1 — Ph.D. assistant lecturer National Mineral Resources University (Mining University)
- 2 — Ph.D. associate professor National Mineral Resources University (Mining University)
- 3 — Ph.D. assistant lecturer National Mineral Resources University (Mining University)
- 4 — student National Mineral Resources University (Mining University)
Abstract
The relationship between displacements of the excavation contour and distance to the excavation face is obtained in the paper. The relationship allows to calculate support pressure with the account for delay of the support installation. Some calculation results of axial forces in the support are given. Calculations are made on the basis of finite-element method with three dimensional models.
Область исследования:
(Archived) Topical issues in mining of ore and nonmetallic minerals
References
- Chern J.C., Shiao F.Y., and Yu C.W. An empirical safety criterion for tunnel construction. // Proc. Regional Symp. on Sedimentary Rock Engeneering. Taipei, Taiwan, 20-22 November, 1998.
- Hoek E. Tunnel support in weak rock // Proc. Regional Symp. on Sedimentary Rock Engeneering. Taipei, Taiwan, 20-22 November, 1998.
- Hoek E. Support for very weak rock associated with faults and shear zones // Proc. International Symposium on Rock Support and Reinforcements Practice in Mining. Kalgoorlie, Australia, 14-19 March, 1999.
Similar articles
Diagnostics of the mirror-symmetrical plasma by probes of various geometry
2013 A. S. Mustafaev, A. Y. Grabovskiy
Chemical consolidation of friable sandstones in operating wells of an underground gas storage
2013 D. S. Tananykhin, A. V. Petukhov, A. M. Shagiakhmetov
Substantiation of the approach for establishment of the initial payment size for the use of natural resources
2013 E. I. Golovina
Crystal morphological and geochemical thermometry of zircons from Priamurie granites
2013 M. M. Machevariani, V. I. Alekseev