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room and pillar ppt

Room and Pillar Mining Method SlideShare

Oct 22, 2014· Room and Pillar Mining Method 1. Hassan Z. Harraz [email protected] 2014- 2015 This material is intended for use in lectures, presentations and as handouts to students, and is provided in Power point format so

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PowerPoint Presentation

Acknowledgments Jeff Fields, Senior Engineer Jim Sublett, Senior Sourcing Specialist GAI Consultants, Project Designer Bob Turka, Senior Project Manager Mining History at the White River Mine Mined in the 1920s and 1930s using the room and pillar method No evidence of retreat or split pillar mining Mine was flooded To this day The pillars are

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Mining methods2

Oct 23, 2011· Room-and-pillar mining Drilling Rig LHD Truck Bolting Rig Scaling Machine Ventilation Drift Pillars Rib Pillar Transport Drift Stope Drift Room Room Room 6. Room-and-pillar mining Mechanized room-and-pillar mining of a thick ore body Non mechanized room-and-pillar mining of an inclined ore body 7.

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Presentación PPT Room and Pillar. Minería Ingeniería

ROOM AND PILLAR (RAP) Presenta bajos costos de explotacin Permite una explotacin selectiva Se realiza en yacimientos con potencia entre 40 a 60 metros Manteo crtico 30 Se necesita un correcto posicionamiento de los pilares. Pablo Reyes Juan Patio Jonathan Tapia DESARROLLO

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Metodo de explotación Room and pillar by Franco Cruells

Método de explotación Room and pillar Características -Método barato, productivo, fácil de mecanizar y simple de diseñar. -Se usa en depósitos horizontales o sub-horizontales . -Consideraciones de diseño. -Objetivo. -Pilares pueden recuperarse. -Diseño de Pilares. Fortificación

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and room and pillar al mining ppt

room and pillar coal mining ppt mobilistico. room and pillar coal mining ppt. Room And Pillar Coal Mining Ppt polrecreatienl 2 Room BordandPillar mining or continuous mining method It is the most common supported pillar method designed and used primarily for mining flatlying seams or tabular orebodies or gently dipping bedded ore deposits of limited thickness like coal oil shale limestone

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Presentación PPT Room and Pillar. Minería Ingeniería

ROOM AND PILLAR (RAP) Presenta bajos costos de explotacin Permite una explotacin selectiva Se realiza en yacimientos con potencia entre 40 a 60 metros Manteo crtico 30 Se necesita un correcto posicionamiento de los pilares. Pablo Reyes Juan Patio Jonathan Tapia DESARROLLO

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room and pillar coal mining ppt mobilistico

room and pillar mining method ppt Toward Pillar Design to Prevent Collapse of RoomandPillar Mines room and pillar mining method pptRoomandpillar mining accounts for a significant portion of the total mineral production in the United Stat As shown in table 1 evaluation of bord and pillar

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PPT Coal Mining PowerPoint presentation free to

and pillar or bord and pillar method progresses along the seam, while pillars and timber are left standing to support the mine roof. Once room and pillar mines have been developed to a stopping point (limited by geology, ventilation, or economics), a supplementary version of room and pillar mining, termed second mining or retreat

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and room and pillar al mining ppt

room and pillar coal mining ppt mobilistico. room and pillar coal mining ppt. Room And Pillar Coal Mining Ppt polrecreatienl 2 Room BordandPillar mining or continuous mining method It is the most common supported pillar method designed and used primarily for mining flatlying seams or tabular orebodies or gently dipping bedded ore deposits of limited thickness like coal oil shale limestone

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03- Diseno de Room and Pillar Minería Minerales Free

Diseo Room And Pillar. Ctedra Codelco de Tecnologa Minera Instructor: Enrique Rubio MI 58B: Diseo de Minas Subterrneas Acceso Acceso horizontal a travs de tneles Pique, cercano al centro de gravedad del cuerpo mineralizado Se debe profundizar hasta un nivel donde se puedan instalar buzones y estaciones de chancado El peinecillo del pique debe estar en un sector donde no se afecte la

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Método de room and pilar SlideShare

Método de room and pilar 1. ROOM AND PILLAR Es un método que se realiza mediante soporte por pilares para una explotación subterránea. La calidad de la roca de caja y mineral debe ser competente. En este método se diseña los pilares y los caserones para maximizar la recuperación de mineral. Los cuerpos mineralizados se extrae con potencias mayores a 10m y menores a 30 m y se explotan

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Coal Mining Methods Underground Mining Longwall & Room

Coal Mining Methods Underground Mining Longwall & Room and Pillar Mining

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(PDF) Underground Mining Methods: Room and Pillar method

In room & pillar mining, high safety levels in design is important, and to achieve this, understanding the behaviour of the pillars is essential. It is understood from experience, that under

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(DOC) CAMARAS Y PILARES. Ignacio HG Academia.edu

El “room and pillar” es el único método que es práctico para explotar capas horizontales de poca potencia. Este método se usa mucho en la explotación de depósitos estratifcados de origen sedimentario tales como esquistos mineralizados de cobre y minerales industriales tales como caliza, sal, potasa y

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Underground Mining Methods and Equipment

1.3. Room-and-pillar Mining Room-and-pillar mining is suitable for flat or nearly horizontal tabular deposits. If the ore bodies are moderately inclined (>30°) it is impractical to utilize tired mobile equipment, resulting in reduced productivity. If the competence of the hanging wall and/or the ore is

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파워포인트 템플릿 room and pillar mining, 배경 16213

Jul 18, 2004· PoweredTemplate의 창의적 배경 및 20개의 전문가 수준의 슬라이드가 있는 파워포인트 템플릿 room and pillar mining을 다운받고 놀라운 PPT

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The Typical Application of Room and Pillar Method in

Background Room and pillar method Commerical test Experimental Results Conclusions Background ? ? ? The form of ore body in Erlihe Lead-zinc Mine is irregular,which looks like a saddle. The ore body is so hick and big that it is very difficult to exploit.

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PPT Mining PowerPoint presentation free to view id

World's Best PowerPoint Templates CrystalGraphics offers more PowerPoint templates than anyone else in the world, with over 4 million to choose from. Winner of the Standing Ovation Award for “Best PowerPoint Templates” from Presentations Magazine. They'll give your presentations a professional, memorable appearance the kind of sophisticated look that today's audiences expect.

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(PDF) Iron ore beneficiation presentation

Room-and-pillar Eyeing the future : The latest in equipment, technology and consumables. July 2014. D. Schmidt; Read more. Conference Paper. Full-text available.

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