STUDY OF PRESSURE EFFECT COMPRESSION COMPRESSIVE COAL PILLAR STRENGTH MODEL IN THE LABORATORY
One method of underground coal mining is frequently used room and pillar mining system. In room and pillar mining system, pillar is used to support the rock layers above it. To study the effect of compression pressure on compressive strength of coal model, it had been studied by Lunder and Pakalnis...
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| Format: | Final Project |
| Language: | Indonesia |
| Online Access: | https://digilib.itb.ac.id/gdl/view/17890 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |