RU2011120547A - METHOD FOR THE DEVELOPMENT OF POWERFUL CRUSHING ORE BODIES - Google Patents
METHOD FOR THE DEVELOPMENT OF POWERFUL CRUSHING ORE BODIES Download PDFInfo
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- RU2011120547A RU2011120547A RU2011120547/03A RU2011120547A RU2011120547A RU 2011120547 A RU2011120547 A RU 2011120547A RU 2011120547/03 A RU2011120547/03 A RU 2011120547/03A RU 2011120547 A RU2011120547 A RU 2011120547A RU 2011120547 A RU2011120547 A RU 2011120547A
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Abstract
1. Способ разработки мощных крутопадающих рудных тел этажно-камерными системами разработки с твердеющей закладкой, включающий проходку выработок для деления рудного тела на блоки и стадийную выемку руды камерами отличающийся тем, что после деления рудного тела на блоки и камеры, отработку последних осуществляют в «шахматном» порядке по восстанию рудного тела по схеме I--II-, при этом днища смежных камер смещены на один подэтаж, а отбитую руду из камеры до откаточного штрека транспортируют по доставочному орту пройденному в средней части смежной камеры, который при ее отработке используют в качестве бурового орта, отбойку руды верхней части камер ведут между искусственными целиками из твердеющей закладки, а нижней - в рудном массиве,2. Способ по п.1, отличающийся тем, что размер каждого рудного целика (камеры) соответствует условию:0,8<0,6+0,4×b/h<1,где: b- ширина рудного целика (камеры), м;h- высота рудного целика (камеры), м.3. Способ по п.1, отличающийся тем, что закладку всех камер на 2/3 их высоты осуществляют твердеющей смесью, а верхнюю 1/3 часть камер - гидравлической, причем границу между твердеющей и гидравлической закладкой в каждой камере формируют выше отметки кровли камер нижележащего подэтажа на 1/6 ее высоты.4. Способ по п.3, отличающийся тем, что отработку камер II и IV осуществляют после закладки камер I и III, а отработку камер I и III - после набора закладкой нормативной прочности в камерах II и IV.1. A method for developing powerful steeply falling ore bodies by floor-chamber development systems with a hardening tab, including excavation of workings for dividing the ore body into blocks and stage-by-stage excavation of ore by cameras, characterized in that after dividing the ore body into blocks and chambers, the latter are mined in a “checkerboard” »The order of the rebellion of the ore body according to scheme I - II-, while the bottoms of adjacent chambers are shifted by one subfloor, and the beaten ore from the chamber to the recoil drift is transported along the delivery unit passed in the middle part a hedgehog chamber, which is used as a drilling unit vector when it is mined, ore is chipped off of the upper part of the chambers between artificial pillars from the hardening tab, and the lower one in the ore mass, 2. The method according to claim 1, characterized in that the size of each ore pillar (chamber) corresponds to the condition: 0.8 <0.6 + 0.4 × b / h <1, where: b is the width of the ore pillar (chamber), m ; h - the height of the ore pillar (chamber), m. 3. The method according to claim 1, characterized in that the laying of all chambers at 2/3 of their heights is carried out with a hardening mixture, and the upper 1/3 of the chambers are hydraulic, and the border between the hardening and hydraulic bookmarks in each chamber is formed above the roof mark of the cameras of the underlying substage 1/6 of its height. 4. The method according to claim 3, characterized in that the working out of chambers II and IV is carried out after laying the chambers I and III, and the working out of chambers I and III - after a set of standard strength in chambers II and IV is set.
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RU2011120547/03A RU2475647C2 (en) | 2011-05-20 | 2011-05-20 | Mining method of thick steep ore bodies |
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RU2011120547/03A RU2475647C2 (en) | 2011-05-20 | 2011-05-20 | Mining method of thick steep ore bodies |
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RU2011120547A true RU2011120547A (en) | 2012-11-27 |
RU2475647C2 RU2475647C2 (en) | 2013-02-20 |
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RU2011120547/03A RU2475647C2 (en) | 2011-05-20 | 2011-05-20 | Mining method of thick steep ore bodies |
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Cited By (3)
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CN103089268A (en) * | 2013-02-20 | 2013-05-08 | 中南大学 | Intensive mining method of ore cluster in ore-concentrated area |
CN111005724A (en) * | 2019-11-14 | 2020-04-14 | 南华大学 | Method for stoping residual ores on top and bottom plates of slowly-inclined goaf |
CN115324581A (en) * | 2022-07-06 | 2022-11-11 | 山东黄金矿业(莱州)有限公司三山岛金矿 | Mining method for high-stress medium-thickness crushed ore body |
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SU134242A1 (en) * | 1960-05-14 | 1960-11-30 | Н.С. Кипарисова | Chamber of mineral development system |
SU877013A1 (en) * | 1979-11-11 | 1981-10-30 | Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Угольный Институт (Кузниуи) | Method of mining thick sloping coal beds |
SU1638302A1 (en) * | 1988-05-16 | 1991-03-30 | Новочеркасский Политехнический Институт Им.Серго Орджоникидзе | Method of mining ore bodies |
SU1640457A1 (en) * | 1989-04-03 | 1991-04-07 | Ленинградский горный институт им.Г.В.Плеханова | Method forming filling mass |
SE469726B (en) * | 1990-04-30 | 1993-08-30 | Outokumpu Oy | VERTICAL PILLAR BREAKING PROVIDING UPPER DOWN |
RU2248448C1 (en) * | 2003-12-02 | 2005-03-20 | Государственное образовательное учреждение высшего профессионального образования Санкт-Петербургский государственный горный институт им. Г.В. Плеханова (технический университет) | Method for extraction of steep-falling deposits of weak ores |
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2011
- 2011-05-20 RU RU2011120547/03A patent/RU2475647C2/en not_active IP Right Cessation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103089268A (en) * | 2013-02-20 | 2013-05-08 | 中南大学 | Intensive mining method of ore cluster in ore-concentrated area |
CN111005724A (en) * | 2019-11-14 | 2020-04-14 | 南华大学 | Method for stoping residual ores on top and bottom plates of slowly-inclined goaf |
CN111005724B (en) * | 2019-11-14 | 2021-01-12 | 南华大学 | Method for stoping residual ores on top and bottom plates of slowly-inclined goaf |
CN115324581A (en) * | 2022-07-06 | 2022-11-11 | 山东黄金矿业(莱州)有限公司三山岛金矿 | Mining method for high-stress medium-thickness crushed ore body |
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