Question

Problem IV (25%) KN force is uniformly distributed over a rectangular footing of size 3x2m shown c footing at D under the totat of 600 force below. Determine the vertical stress increase at a depth of 2m center. If another footing of size 3xlm with a total load of 400 KN is constructed adjoining the previous ootina what is the additional stress at point D at the same depth due to the construction of the nd footing? Fodting 1 2 3 m rn

Answer 1

Cas e-1 dneho Fooking Stres s Load (a) 60 0 KN i n this case poin the cenher Dis located ah oH ng-1 ,''Radi aA distance ơf point. D from he, ceのrer which stress is ho be deher Depth z) mined b Boussine's Vertti cal stress in crease here Tso. Above equarlon be. Comes

2 CAseStress increase due ho 1 1 1.5 3 rn o. 5 o1n

5% 3 0 3 x 4o0 2.062 Ans