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
Funding:
None
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
The corporate social responsibility of system forming mining and metallurgical companies of Russia
2013 T. A. Pikalova
Justification of the way and choice of the mud fluid for primary opening-out of layers with abnormally low pressure
2013 A. A. Yakovlev, M. V. Turitsyna
Disposal of dehydrated sediments of water objects of the mining regions
2013 V. A. Petrova, M. A. Pashkevich
Foreign experience in providing financial assurance for mine closure and reclamation in the industrial use of subsoil
2013 E. A. Agafonсev, L. S. Sinkov