Justification of preparation excavations fastening by combination of rod and rope anchor fasteners
About authors
- 1 — G.V. Plekhanov Saint Petersburg State Mining Institute
- 2 — G.V. Plekhanov Saint Petersburg State Mining Institute
Abstract
The experience of supporting roof with bolts is mainly based on practical approach – hi and miss method. The theory of such support is descriptive than mathematical. Taking into account the complexity of mining – geological and mining technical conditions of underground mining it’s quite difficult to mathematically describe the destruction of entries roofs supported by bolts. Nevertheless even the quality identification of the factors causing roofs fall can give grounds to make plan of bracing and safety increase.
References
- Беляев Н.М. Сопротивление материалов. М.: Гостехтеоретиздат, 1951. 856 с.
- Перспективные паспорта крепления, охраны и поддержания подготовительных выработок при бесцеликовой технологии отработки угольных пластов / Н.П.Бажин, К.А.Ардашев, Ю.В.Громов и др.; ВНИМИ. Л., 1984. 112 с.
- Тимошенко С.П. Механика материалов / С.П.Тимошенко, Дж.Гере. М.: Мир, 1976. 669 с.
- Mucho T.P. Determining Horizontal Stress Direction Using the Stress Mapping Technique / T.P.Mucho, C.Mark // 13 th Conference on Ground Control in Mining. US, Pittsburg, 1992. P.277-289.
- Parker J. Practical Rock Mechanics for the Miner. Pan 5: How to Design Better Mine Openings. Eng. Min. J, Dec. 1973. P.76-80.
Similar articles
Influence of processes of hypergenic metamorphization of technogenic massifs on the degree of their environmental danger for the environment
2009 M. V. Parshina