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Question 5.2: If water in the well in example 5.1 is pumped out up to the ...

If water in the well in example 5.1 is pumped out up to the bottom of the well, estimate the change in the pressures at points A and B given in Fig. Ex. 5.1.

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Change in pressure at points A and B

(i) Change in total pressure = decrease in water pressure due to pumping

=3 \times 9.81=29.43 kN / m ^{2}

(ii) Change in effective pressure = 0

(iii) Change in pore water pressure = decrease in water pressure due to pumping

=3 \times 9.81=29.43 kN / m ^{2}

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