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Longwall retreat of gate road pillars
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    Longwall mining has a significant influence on gas wells located within longwall chain pillars. Subsurface subsidence and abutment pressure induced by longwall mining can cause excessive stresses and deformations in gas well casings. If the gas well ...
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  5. Ground response to high horizontal stresses during longwall retreat and its implications for longwall headgate support
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    Zhang, Peter; Gearhart, Dave; Van Dyke, Mark; Su, Daniel; Esterhuizen, Essie; Tulu, Berk;
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