School of Engineering (TAFE)CIVE5679 Design Actions (C6093)Liquid Pressure1. The masonry dam (? = 18 kN/m3) shown in Figure 1 retains water to the full depth. The co-efficient of friction between the base of the wall and the earth underneath is 0.7. Check to see whether the wall is safe against sliding.Calculate active water pressure P in kN per m run of wall if the factor of safety against sliding is 2.Note: Density of water= 1000 kg/m3 2. A masonry wall shown in the bottom figure weighs 22 kN/m3. The water reaches at the top of the wall. Calculate The resultant forceThe distance of point of stability from the toe and heelPressure at the toe and heel The masonry dam (? = 22 kN/m3) shown in Figure 3 retains water to the full depth. In order to check the modes of failure of the dam due to overturning Calculate the weight of the wallCalculate the overturning and restoring moment Calculate the Factor of Safety (FOS)Note: Density of water = 1000 kg/m3 4.5 m2.6 m1 m1 m0.7 m2 m6m4m2.2m4m2 m6 mFigure 15m3mP4m3m6 mFigure 3
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