The stress-strain state of the massive of the loose ores in the Yakovlevsky deposit around the minings which were drilled with the combines or with drilling-blast technology

V. I. Ochkurov; V. Yu. Sinegubov; A. V. Streletskiy

Vol 185

Pages:

102-106

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Research article

Problems in geomechanics of technologeneous rock mass

The stress-strain state of the massive of the loose ores in the Yakovlevsky deposit around the minings which were drilled with the combines or with drilling-blast technology

Authors:

V. I. Ochkurov¹

V. Yu. Sinegubov²

A. V. Streletskiy³

About authors

1 — Ph.D. Associate professor Saint Petersburg State Mining Institute (Technical University)
2 — Postgraduate student Saint Petersburg State Mining Institute (Technical University)
3 — student Saint Petersburg State Mining Institute (Technical University)

Date submitted:

2009-07-09

Date accepted:

2009-09-03

Date published:

2010-01-01

Abstract

The article presents the consistent patterns of the changes in stress-strain state of the massive by the minings of the first stage of protective overlapping in the Yakovlevsky deposit. The change of the stress-strain condition of the rock massive, which is weaked by the mining was determined by the method of finite elements. The stresses distribution in the massive, the displacement of the contour of the minings, the size of conditional zones of non-linear deformations has been obtained. For stoping passes at the first stage the cutting with combine and application of fastening with the anchors has been suggested.

Keywords:

stresses deformations displacements method of finite elements massive nonlinear deformations anchor

References

Мартемьянов Г.А. Деформирование рудного массива вокруг горных выработок / Г.А.Мартемьянов, В.И.Очкуров, А.Б.Максимов, Д.Н.Петров // Записки Горного института. СПб, 2006. Т.168. С.196-202.
Пахалуев В.Ф. Деформация рудного обнажения за крепью КМП-А3 / В.Ф.Пахалуев, Ю.Н.Огородников, Д.Б.Зыков, А.Б.Максимов // Записки Горного института. СПб, 2006. Т.168. С.175-180.
Пахалуев В.Ф. Перспективы применения анкерной крепи в рудных выработках Яковлевского рудника / В.Ф.Пахалуев, Ю.Н.Огородников, А.Б.Максимов // Записки Горного института. СПб, 2006. Т.168. С.181-183.
ТУ 3142-001-58163333-07. Крепь штанговая сталеорганная (анкерная) / ОАО «ВостНИГРИ». Новокузнецк, 2007.

The stress-strain state of the massive of the loose ores in the Yakovlevsky deposit around the minings which were drilled with the combines or with drilling-blast technology

Abstract

References

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