i) A strip footing of width B=1m is embedded 0.6m in soil. The soil has unit weight equal to 19kN/m3 and a critical-state friction angle Øc of 32o . Assume water table to be deep, what is the ultimate bearing capacity of the soil? ii) A square footing is to be constructed on a deep deposit of sand at a depth of 0.9 m to carry a design load of 300 kN with a factor of safety of 2.5. The ground water table may rise to the ground level during rainy season. Design the plan dimension of footing given γsat = 20.8 kN/m3 , Nc = 25, Nq = 34 and Nγ =32.

i) A strip footing of width B=1m is embedded 0.6m in soil. The soil has unit weight equal to 19kN/m3 and a critical-state friction angle Øc of 32o . Assume water table to be deep, what is the ultimate bearing capacity of the soil? ii) A square footing is to be constructed on a deep deposit of sand at a depth of 0.9 m to carry a design load of 300 kN with a factor of safety of 2.5. The ground water table may rise to the ground level during rainy season. Design the plan dimension of footing given γsat = 20.8 kN/m3 , Nc = 25, Nq = 34 and Nγ =32.

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter10: Mat Foundations

Section: Chapter Questions

Problem 10.1P: Refer to the rectangular combined footing in Figure 10.1, with Q1 = 100 kip and Q2 = 150 kip. The...

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