Question: A 30 m long concrete pile is 305 mm 305 mm in cross section and is fully embedded in a sand deposit. If n

A 30 m long concrete pile is 305 mm × 305 mm in cross section and is fully embedded in a sand deposit. If n_h = 9200 kN/m², the moment at ground level M_g = 0, the allowable displacement of pile head = 12 mm; E_p = 21 × 10⁶ kN/m², and F_{Y (pile)} = 21,000 kN/m², calculate the allowable lateral load, Q_g, at the ground level. Use the elastic solution method.

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