3. Compute the resultant lateral force for the soil-wall system shown in Figure 3. You may ignore tensile cracks. Use • A- Coloumb • B - Rankine 0=30°, y=20kN/m³ 4m Ground water table 7m c=50KN/m², p=10°, y=18KN/m³ 0=25°, y=20KN/m³ 8 m Gravity wall Figure 3

Q1. Figure 1 shows the plan view of a reinforced concrete slab supported by three clay brick masonry walls AB, CD and EF. 7m B 3m The following information is given: Live load supported by slab = 1.5 kN/m² Normal density concrete (Unit weight = 24kN/m³) Clay brick masonry (Unit weight = 19 kN/m²) Slab thickness = 170 mm Wall thickness = 220 mm C Figure 1 (Plan) Wall height = 2.8 m Load combinations: (1.2 Da + 1.6 L) and (1.5 D.) D 3m E F a) Sketch the tributary loading areas for walls AB, CD, and EF. b) Calculate the design load (in kN/m²) acting on the slab. c) Calculate the design load (in kN/m) acting on walls AB and CD. Include the self-weight of walls. Q2. Consider the plan layout of a three-storey office building shown in Figure 2. All walls comprise standard clay bricks, are double skin masonry (collar jointed) and align from ground floor to roof. All walls are load bearing to support the suspended slabs, and it is assumed that the roof and floor slabs are of continuous in situ…

g. Minimum width B (in meter) of wall to be safe against overturning if factor of safety against overturning is 1.5 (minimum). Consider 24 kN/m3 as the unit weight of concrete. B = Note: Round your answer to three decimal place. Thank you