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Q$3(40$ PTS$)$: A square $(22m)$ footing is to be designed to support a column. The footing is located at $2$

m below ground surface, the same level as ground water table.

a$)$ Check the bearing capacity of this footing $($use Terzaghi's formula to speed up the calculation$)$

b$)$ Ignoring the settlement in CLAY, use the Strain Influence Factor method to calculate the

settlement of the footing at $50$ years if the pressure at the footing bottom is $200$ kPa

If two layers switch the

order, now Stiff CLAY

over Medium SAND,

how to do the questions

above?

TEST BACKGROUND KNOWLEDGE