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    2015-9-1 · Rock bolts T 3 and T 4 with a capacity of 180 and 195 kN in this study were selected as candidate profiles, and their performance is analyzed in Tabas Coal Mine. Fig.␣2, Fig.␣3, Fig.␣4, Fig.␣5, Fig.␣6, Fig.␣7 show the displacement, shear stress and shear strain contours for rock bolts …

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