Q3. A square 2.5-by-2.5m footing, is designed to be embedded 2m deep into a silty sand layer, with the assumption that the water table is located 1m below the foundation level - WT(a) position - as shown in Figure Q3. (a) Calculate the net bearing capacity of the square footing, in terms of vertical force, Qun (in kN). (b) If the water table is raised at the soil surface - WT (b) position in Figure Q3 - what is the new value of the net bearing capacity Qun? If you wanted to maintain in case (b) the same bearing capacity Qun as in (a), how would you calculate the modified dimensions of the square footing? You can just show the procedure, without doing the final calculations at the end. (c)

Q3. A square 2.5-by-2.5m footing, is designed to be embedded 2m deep into a silty sand layer, with the assumption that the water table is located 1m below the foundation level - WT(a) position - as shown in Figure Q3. (a) Calculate the net bearing capacity of the square footing, in terms of vertical force, Qun (in kN). (b) If the water table is raised at the soil surface - WT (b) position in Figure Q3 - what is the new value of the net bearing capacity Qun? If you wanted to maintain in case (b) the same bearing capacity Qun as in (a), how would you calculate the modified dimensions of the square footing? You can just show the procedure, without doing the final calculations at the end. (c)

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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