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A multistorey building with a basement is to be constructed. The top 4 m contains loose silt below which dense sand layer is present upto a great depth. Ground water table is at the ground surface. The foundation consists of the basement slab of 6 m width which will rest on the top of dense sand as shown in figure. For dense sand saturated unit weight is 20kN /m3 and bearing capacity factor, Nq =40, Nλ= 45, g for loose silt saturated unit

weight =18kN /m3 , Nq=15, Nλ =20 g . Effective cohesion is 0. Neglect depth factor average elastic modulus E, and Poisson ratio μ of dense sand is 60 ×103 kN /m2 and 0.3 respectively, using factor of safety = 3. (Take influence factor = 2)


The immediate settlement of foundation is

  • a)
    58 mm

  • b)
    178 mm

  • c)
    101 mm 

  • d)
    126 mm

Correct answer is option 'C'. Can you explain this answer?
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A multistorey building with a basement is to be constructed. The top 4...
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A multistorey building with a basement is to be constructed. The top 4...
Γ = 20 kN/m3 (saturated unit weight of dense sand)
Nq = 40 (bearing capacity factor for dense sand)

To determine the ultimate bearing capacity of the foundation, the following formula can be used:

Qu = Nq * γ * B * Nc * Nγ

Where:
Qu = ultimate bearing capacity
B = width of the foundation (basement slab) = 6 m
Nc = bearing capacity factor for cohesionless soils (assumed to be 5 for dense sand)
Nγ = bearing capacity factor for the weight of the soil (assumed to be 1 for saturated sand)

Plugging in the values, we get:

Qu = 40 * 20 kN/m3 * 6 m * 5 * 1
= 48,000 kN

Therefore, the ultimate bearing capacity of the foundation is 48,000 kN.
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A multistorey building with a basement is to be constructed. The top 4 m contains loose silt below which dense sand layer is present upto a great depth. Ground water table is at the ground surface. The foundation consists of the basement slab of 6 m width which will rest on the top of dense sand as shown in figure. For dense sand saturated unit weight is 20kN /m3 and bearing capacity factor, Nq=40, Nλ= 45, g for loose silt saturated unitweight =18kN /m3 , Nq=15, Nλ=20 g . Effective cohesion is 0. Neglect depth factor average elastic modulus E, and Poisson ratio μ of dense sand is 60 ×103 kN /m2 and 0.3 respectively, using factor of safety = 3. (Take influence factor = 2)The immediate settlement of foundation isa)58 mmb)178 mmc)101 mmd)126 mmCorrect answer is option 'C'. Can you explain this answer?
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A multistorey building with a basement is to be constructed. The top 4 m contains loose silt below which dense sand layer is present upto a great depth. Ground water table is at the ground surface. The foundation consists of the basement slab of 6 m width which will rest on the top of dense sand as shown in figure. For dense sand saturated unit weight is 20kN /m3 and bearing capacity factor, Nq=40, Nλ= 45, g for loose silt saturated unitweight =18kN /m3 , Nq=15, Nλ=20 g . Effective cohesion is 0. Neglect depth factor average elastic modulus E, and Poisson ratio μ of dense sand is 60 ×103 kN /m2 and 0.3 respectively, using factor of safety = 3. (Take influence factor = 2)The immediate settlement of foundation isa)58 mmb)178 mmc)101 mmd)126 mmCorrect answer is option 'C'. Can you explain this answer? for Civil Engineering (CE) 2025 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about A multistorey building with a basement is to be constructed. The top 4 m contains loose silt below which dense sand layer is present upto a great depth. Ground water table is at the ground surface. The foundation consists of the basement slab of 6 m width which will rest on the top of dense sand as shown in figure. For dense sand saturated unit weight is 20kN /m3 and bearing capacity factor, Nq=40, Nλ= 45, g for loose silt saturated unitweight =18kN /m3 , Nq=15, Nλ=20 g . Effective cohesion is 0. Neglect depth factor average elastic modulus E, and Poisson ratio μ of dense sand is 60 ×103 kN /m2 and 0.3 respectively, using factor of safety = 3. (Take influence factor = 2)The immediate settlement of foundation isa)58 mmb)178 mmc)101 mmd)126 mmCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A multistorey building with a basement is to be constructed. The top 4 m contains loose silt below which dense sand layer is present upto a great depth. Ground water table is at the ground surface. The foundation consists of the basement slab of 6 m width which will rest on the top of dense sand as shown in figure. For dense sand saturated unit weight is 20kN /m3 and bearing capacity factor, Nq=40, Nλ= 45, g for loose silt saturated unitweight =18kN /m3 , Nq=15, Nλ=20 g . Effective cohesion is 0. Neglect depth factor average elastic modulus E, and Poisson ratio μ of dense sand is 60 ×103 kN /m2 and 0.3 respectively, using factor of safety = 3. (Take influence factor = 2)The immediate settlement of foundation isa)58 mmb)178 mmc)101 mmd)126 mmCorrect answer is option 'C'. Can you explain this answer?.
Solutions for A multistorey building with a basement is to be constructed. The top 4 m contains loose silt below which dense sand layer is present upto a great depth. Ground water table is at the ground surface. The foundation consists of the basement slab of 6 m width which will rest on the top of dense sand as shown in figure. For dense sand saturated unit weight is 20kN /m3 and bearing capacity factor, Nq=40, Nλ= 45, g for loose silt saturated unitweight =18kN /m3 , Nq=15, Nλ=20 g . Effective cohesion is 0. Neglect depth factor average elastic modulus E, and Poisson ratio μ of dense sand is 60 ×103 kN /m2 and 0.3 respectively, using factor of safety = 3. (Take influence factor = 2)The immediate settlement of foundation isa)58 mmb)178 mmc)101 mmd)126 mmCorrect answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for Civil Engineering (CE). Download more important topics, notes, lectures and mock test series for Civil Engineering (CE) Exam by signing up for free.
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