INFLUENCE OF WIDTH TO HEIGHT RATIO ON UNDERGROUND COAL PILLAR STRENGTH USING 2D NUMERICAL MODELLING ANALYSIS
The purpose of this study is to determine the influence of width to height ratio on coal pillar strength through a finite difference method numerical modelling. The coal pillar strength can be known from stress-strain curve. The pillars' widths range from 2.5 meters, 5 meters, 10 meters, and 15...
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id-itb.:757822023-08-08T06:53:48ZINFLUENCE OF WIDTH TO HEIGHT RATIO ON UNDERGROUND COAL PILLAR STRENGTH USING 2D NUMERICAL MODELLING ANALYSIS Fauzan Hafidz, Muhammad Indonesia Final Project Pillar Strength, Numerical Modelling, Finite Difference Method, Stress-Strain Curve INSTITUT TEKNOLOGI BANDUNG https://digilib.itb.ac.id/gdl/view/75782 The purpose of this study is to determine the influence of width to height ratio on coal pillar strength through a finite difference method numerical modelling. The coal pillar strength can be known from stress-strain curve. The pillars' widths range from 2.5 meters, 5 meters, 10 meters, and 15 meters, with a fixed height of 5 meters. The top pillar nodes pressed with a constant speed at 10-5 m/s causing a loading effect to the pillar. The result of this study showed that greater width to height ratio of the pillar will increase the pillar strength because of the confinement effect caused by the compression stress on the pillar core. text |
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Institut Teknologi Bandung |
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Institut Teknologi Bandung Library |
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Asia |
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Indonesia Indonesia |
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Indonesia |
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The purpose of this study is to determine the influence of width to height ratio on coal pillar strength through a finite difference method numerical modelling. The coal pillar strength can be known from stress-strain curve. The pillars' widths range from 2.5 meters, 5 meters, 10 meters, and 15 meters, with a fixed height of 5 meters. The top pillar nodes pressed with a constant speed at 10-5 m/s causing a loading effect to the pillar. The result of this study showed that greater width to height ratio of the pillar will increase the pillar strength because of the confinement effect caused by the compression stress on the pillar core. |
| format |
Final Project |
| author |
Fauzan Hafidz, Muhammad |
| spellingShingle |
Fauzan Hafidz, Muhammad INFLUENCE OF WIDTH TO HEIGHT RATIO ON UNDERGROUND COAL PILLAR STRENGTH USING 2D NUMERICAL MODELLING ANALYSIS |
| author_facet |
Fauzan Hafidz, Muhammad |
| author_sort |
Fauzan Hafidz, Muhammad |
| title |
INFLUENCE OF WIDTH TO HEIGHT RATIO ON UNDERGROUND COAL PILLAR STRENGTH USING 2D NUMERICAL MODELLING ANALYSIS |
| title_short |
INFLUENCE OF WIDTH TO HEIGHT RATIO ON UNDERGROUND COAL PILLAR STRENGTH USING 2D NUMERICAL MODELLING ANALYSIS |
| title_full |
INFLUENCE OF WIDTH TO HEIGHT RATIO ON UNDERGROUND COAL PILLAR STRENGTH USING 2D NUMERICAL MODELLING ANALYSIS |
| title_fullStr |
INFLUENCE OF WIDTH TO HEIGHT RATIO ON UNDERGROUND COAL PILLAR STRENGTH USING 2D NUMERICAL MODELLING ANALYSIS |
| title_full_unstemmed |
INFLUENCE OF WIDTH TO HEIGHT RATIO ON UNDERGROUND COAL PILLAR STRENGTH USING 2D NUMERICAL MODELLING ANALYSIS |
| title_sort |
influence of width to height ratio on underground coal pillar strength using 2d numerical modelling analysis |
| url |
https://digilib.itb.ac.id/gdl/view/75782 |
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1822994511697018880 |