Q6) A foundation 3.5 m square is to be constructed at a depth of 1.2 m in a deep sand deposit, the water table being 3.0 m below the surface. The following uncorrected values of standard penetration resistance were determined at the location: Depth Nield 0.70 6 1.35 9 2.20 10 2.95 8 3.65 12 4.40 13 5.15 17 6.00 23 The saturated unit weight of the sand is 20 kN/m³ and the unit weight above the water table is 17 kN/m³. The shear strength parameters are c'= 0 and Ø' 28". If the settlement is not to exceed 25 mm, determine the allowable bearing capacity according to the following design procedures: (a) Terzaghi expression (1943), (b) Meyerhof (1956), (c) Burland, Broms and De Mello (1977), (d) Peck, Hanson and Thornburn (1974).

Q6) A foundation 3.5 m square is to be constructed at a depth of 1.2 m in a deep sand deposit, the water table being 3.0 m below the surface. The following uncorrected values of standard penetration resistance were determined at the location: Depth Nield 0.70 6 1.35 9 2.20 10 2.95 8 3.65 12 4.40 13 5.15 17 6.00 23 The saturated unit weight of the sand is 20 kN/m³ and the unit weight above the water table is 17 kN/m³. The shear strength parameters are c'= 0 and Ø' 28". If the settlement is not to exceed 25 mm, determine the allowable bearing capacity according to the following design procedures: (a) Terzaghi expression (1943), (b) Meyerhof (1956), (c) Burland, Broms and De Mello (1977), (d) Peck, Hanson and Thornburn (1974).

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter17: Settlement Of Shallow Foundations

Section: Chapter Questions

Problem 17.16CTP

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A square footing 2.8 m X 2.8 m is constructed on a uniform bed of sand with a density of 18 kN/m3 and a slope of = 36o. Determine the safe load that may be applied to the footing if the foundation depth is 1.8 m.
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