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An electric power transmission pole is embedded 3 m into the ground. The pole weighs 30 kN and has base diameter of 450 mm.

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An electric power transmission pole is embedded 3 m into the ground. The pole weighs 30 kN and has base diameter of 450 mm. If the pole is assumed to transmit the load as point load in the soil, determine the stress increase at a depth 1 m below the base, and: (i) Along the centre, and (ii) 1 m from the centre.

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