Determination of the dimensions of the inelastic deformation area around a fixed excavation subjected to support pressure
Authors:
Abstract
The magnitude of rock outcrops, the load on the support of mine workings, and the displacement of their contours are determined mainly by the size of the inelastic deformation area formed in the rock mass surrounding the workings. In the practice of maintenance, the majority of preparatory mine workings are influenced by the support pressure, and there are no calculated methods for assessing this effect on the size of the area of inelastic deformations.
Область исследования:
(Archived) Without section
References
- Adashev K. A. et al. Improvement of Mountain Pressure Management.
- Borisov A. A. Calculation of Support Pressure in Face faces of hollow strata. Nedra, 1964.
- Dinnik A. N., Morgayevskiy A. B., Savin G. N. Distribution of Stresses around Underground Workings. Proceedings of the Meeting on Mountain Pressure Management. AS USSR, 1938.
- Liberman Yu. M. To the issue of support pressure in front of the cleaning face. In the collection: Physical and Mechanical Properties, Pressure and Fracture of Rocks. Pt. 1. AS USSR, 1962.
- Ruppeneit K.V. Some Issues of Rock Mechanics. Ugletekhizdat, 1954.
- Sazhin V. S. Elastic-Plastic Distribution of Stresses around Mining Excavations of Different Outline. Nedra, 1968.
- Cherepanov G. P. About one method of solution of elastic-plastic problem. PMM, vol. 27, Vol. 3, 1963.
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