Data of a plate load test conducted in a sandy soil with 0.3 m ×0.3 m plate are given below. Load (kN/m²) Settlement (mm) 0 4.9 0 100 200 300 400 500 600 700 800 10 15.6 21.9 28 36.6 47.2 62 Determine the size of a square footing to carry a net load of 3250 kN with a maximum settlement of 33 mm.

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