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11 A steel pile (H-section; HP 360 x 152; see Table 11.1) is driven into a layer of sandstone. The length of the pile

11 A steel pile (H-section; HP 360 x 152; see Table 11.1) is driven into a layer of sandstone. The length of the pile is 18.9 m. Following are the properties of the sandstone: unconfined compression strength = qu(lab) = 78.7 MN/m and angle of friction = 36. Using a factor of safety of 3, estimate the allowable point load that can be carried by the pile. Use [qu(design) = qu(lab)/5]. 106 XO

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