helpQUESTION $2$

a$)$ Both ultimate and serviceability limit states shall be considered during the design of retaining

wall. Describe four $(4)$ situations where detail displacement calculation is necessary.

$(CO2,PO3)(C2)$

$(4$ marks$)$

b$)$ Figure $2($b$)$ shows a strip footing of breath, B $=2m$ resting on the clayey soils. The soils

parameters and loading parameters are given in the figure. Establish the maximum

permissible load, $V$ with compliance of the bearing resistance limit state using conventional

approach and EC$7$ Design Approach $1.$ Compare and comments on both results.

$(CO2,PO3)(C4)$

$(20$ marks$)$

$=70k\frac{N}{m^2}$

$=20k\frac{N}{m^3}$

$=10k\frac{N}{m^2}$

$=40k\frac{N}{m}$

$=2m$