Room and pillar

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Background

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Geology Requirements

Strength

Geometry

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Feasibility & Planning

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Variations

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Geotechnical

Pillar Orientation

Pillar Rating System

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Advantages and Disadvantages

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Advantages

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Disadvantages

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Ventilation

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Economics

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Use with other methods

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References

==External Links==
  1. Bullock, R. L. (1998). Chapter 1. A classification of the room-and-pillar method of open-stope mining. In Underground mining methods handbook.