A circular foundation of 1.5 m diameter is constructed in a sand deposit. Given: Df =1 5 m, soil friction angle Ø =35o and soil unit weight γ =17 4kN/m3. Estimate the ultimate uplift capacity of the foundation.

A circular foundation of 1.5 m diameter is constructed in a sand deposit. Given: Df =1 5 m, soil friction angle Ø =35o and soil unit weight γ =17 4kN/m3. Estimate the ultimate uplift capacity of the foundation.

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter7: Ultimate Bearing Capacity Of Shallow Foundations: Special Cases

Section: Chapter Questions

Problem 7.15P

See similar textbooks

Related questions

Q: A square column foundation with base of 1.50 m is shown in the figure. It carries an axial load of…

A: Given data:- Axial load (P) = 490 KN Shape of footing = Square Base of footing (B) = 1.5 m Depth of…

Q: Calculate the settlement under the center of a flexible foundation 4 m by 4 m due to volume…

A: Given data:

Q: P 10 m 2

A: Given data:

Q: A long foundation 0.6 m wide carries a line load of 100 kN/m. Calculate the vertical stressi ncrease…

A: solution given line load q = 100Kn/m given point x = 2.5mz=1.5mthe increase in verticle stress due…

Q: A continuous foundation having a width of 1.4 m is supported by a saturated clay layer of limited…

A: We know that the ultimate bearing capacity, qu = γDf+γB4(tan5α-tan(α))+2C'(tan3α-tanα)Where, α =…

Q: Consider a continuous foundation of width B = 1.4 m on a sand deposit with c' = 0, Φ' = 38° and γ =…

A: For the corrections, the depth factor is the important one taken into account. The depth factor…

Q: A circular foundation 12 ft in diameter imposes a pressure of 8,000 psf onto the soil. At the 12-ft…

A: Given data:

Q: The shallow foundation shown in Figure 6.25 measures 1.5 m × 2.25 m and is subjected to a centric…

A: Given: The unit weight is 17 kN/m3. The factor of safety is 4.

Q: A 4.5m square foundation exerts uniform pressure of 200kn/m^2 on a soil . Determine 1:the vertical…

A: Given: The dimension of the square foundation is 4.5 m. The uniform pressure is 200 kN/m2.

Q: A square foundation of (5m x 5m) is to carry a load of 4000KN.calculate the vertical stress at a…

Q: For an eccentrically loaded continuous foundation on sand, given B = 1.53 m, Df = 1.59 m, e/B = 0.15…

A: To determine the ultimate load per unit length for the eccentrically loaded continuous foundation.…

Q: Calculate the stress at the end of the clay stratum σ, and the increment Δσ that the footing…

A: Given a clay stratum and a footing produces load of P=1200kN To Determine: The stress increment Δσ…

Q: The shallow foundation shown in Figure 4.24 measures 1.5 m x 2.25 m and is subjected to a centric…

A: Given:- 1.5m x 2.25 meB=0.12 meL=0.36md=0.8mFOS=4γ=17kN/m3∅=35oc'=0To find:-allowable load the…

Q: Question attached

A: The given data is: eL=0.3 mB=1.5 meB=0.15 mL=1.5 m

Q: Problem 7: A foundation measuring 1.2 m * 2.4 m in plan is constructed in a saturated clay. Given:…

A: Given :- Dimension of foundation = 1.2 m× 2.4 m Unit weight of the soil = 18 kN/m3 Depth of the…

Q: For an eccentrically loaded continuous foundation on sand, given B = 2.35 m, Df = 1.78 m, e/B = 0.17…

Q: 5.4 A shallow foundation 25x18m carries a uniform pressure of 175kN/m². Determine the vertical…

Q: Problem attached

A: Principle of superposition: This principle simply states that the combined effect of the load acting…

Q: A 4.5m square foundation exerts a uniform pressure of 200kPa on a soil. Determine (i) The vertical…

A: Given Data:Size of footing = 4.5×4.5 Pressure = 200kpaIt is asked to find vertical stress at:(i)…

Q: Qs: For the figure below and by using Khosla's Theory. 1. Find the corrected percentage of pressure…

A: empirical method of design the complex profile divided into various simple profile. 3 correction…

Q: The excavation 3 × 6 m for a foundation is to be made to a depth of 2.5 m below ground level in a…

A: GIVEN DATA :- SIZE OF FOUNDATION =3X6M DEPTH=2.5M UNIT WEIGHT OF SOIL=20KN/M3 FOR M=0.43,N=0.86…

Q: The shallow foundation is shown in Figure 4.24 measures 1.5 m X 2.25 m and is subjected to a centric…

A: Given :

Q: A section of a masonry dam is shown below. If the uplift pressure varies uniformly from full…

Q: For the design of an eccentrically loaded shallow foundation, given the following: Soil: y = 19…

Q: A square foundation is 1.5m x 1.5m in plan. The soil supporting the foundation has a friction angle…

Q: The square foundation with 2.0 m width was built close to the slope and causes an increase in…

A: depth of the beam is not given Assume depth of the foundation H=2.0 mcohesion for the soil C=0 and…

Q: Compare the stress increase occurring 2 m below the center of a 3 m by 3 m square foundation…

Q: With respect to Hansen's equations, for a foundation that is 1.5×3.5 in plan, C = 25 kPa and p =…

Q: 3. Assuming the load exerted (P) by the foundation is 5,000,000 lbs., determine I4, q, and the…

A: Given:- The magnitude of the load = P = 5,000,000 lbs The depth = 10 ft To determine:- The value of…

Q: An eccentrically loaded continuous foundation is shown in Figure P4.11. Determine the ultimate load…

A: Determining the centric ultimate bearing capacity with the help of relation qult…

Q: For an eccentrically loaded continuous foundation on sand, given B = 1.8 m, Df = 0.9 m, e/B = 0.12…

A: The given data is shown below:

Q: Question Attached

A: Uplift capacity of foundations: The uplift forces can be experienced by the foundations under…

Q: " (a) Qu 3 10 B (b) M M → X M₁ Q.₁ (c) M₁ Qu (d) Figure 4.24 Analysis of foundation with two-way…

Q: subject : Geotechnical Design Book : PRINCIPLE OF FOUNDATION ENGINEERING

A: Given:γ D = 105 lb/ft³, γ B (sat)= 118 lb/ft³B= 5ftD2= 4ftD1=2ftC= 0Ø=35°

Q: square flexible foundation of width B = 2 m applies a uniform pressure of 17 kN/m? to the…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: A strip Foundation ( a long foundation in which the length is much longer than the width) of width…

A: Given dataz=width=1 mQ=point load=40 KNσZ=3Q2πz2(11+rz2)5/2 at the edge of foundation r=0at tat…

Q: For an eccentrically loaded continuous foundation on sand, given B = 1.9m, Df = 0.81m, e/B = 0.21…

Q: A raft of 5 m x 7 m is laid at a depth of 2 m in a cohesive soil having undrained shear strength of…

Q: Question 07 With reference to figure given below, Calculate elastic settlement at the corner of the…

Q: A square foundation is shown in Figure 4.30, with e = 0.3 m and eg = 0.15 m. Assume two-way…

A: Given Data: Width of square footing is B=1.5 m. Length of square footing is L=1.5 m. Depth of square…

Q: A square foundation of B = 4 m applies a uniform pressure of 17.5 kN/m² to the underlaying ground.…

A: Given:- The square footing of B = 4 m Pressure = 17.5 kN/m2 Depth = 1 m To find:- From the given…

Q: H.Q 2 A square foundation measuring 1.5 m x 1.5 m is supported by a saturated clay layer of limited…

Q: For an eccentrically loaded continuous foundation on sand, given B = 1.92 m, Df = 1. m, e/B = 0.11…

Q: A square foundation is 1.5 m X 1.5 m in plan. Given the soil properties supporting the foundation…

A: Data is as given General shear failure

Q: Prob. 3): A square shallow foundation is shown below. If the load eccentricity is 0.3 m, determine…

Q: (Q4): For the soil profile shown in figure (2) find the difference in stress in (kPa) at point…

Concept explainers

Foundation construction

Question

A circular foundation of 1.5 m diameter is constructed in a sand deposit. Given: D_f =1 5 m, soil friction angle Ø =35^o and soil unit weight γ =17 4kN/m³. Estimate the ultimate uplift capacity of the foundation.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.

Similar questions

Consider a continuous foundation of width B = 1.4 m on a sand deposit with c' = 0, Φ' = 38° and γ = 17.5 kN/m3. The foundation is subjected to an eccentrically inclined load (see Figure 4.31). Given: load eccentricity e = 0.15 m, Df = 1 m, and load inclination β = 18°. Estimate the failure load Qu(ei) per unit length of the foundation a. for a partially compensated type of loading [Eq. (4.85)] b. for a reinforced type of loading [Eq. (4.86)]
A 4.5m square foundation exerts uniform pressure of 200kn/m^2 on a soil . Determine 1:the vertical stress increment due to the foundation load to adepth of 10 m below its centre 2: the vertical stress increment at apoint 3m below the foundation and 4m from its centre along one of the axes of symmetry
A circular foundation 12 ft in diameter imposes a pressure of 8,000 psf onto the soil. At the 12-ft depth, determine the vertical stress increase beneath the center and the edge of the loaded area, assuming:(a) the Westergaard conditions apply.(b) the 60° approximation.
Calculate the bearing capacity (Qu) per meter of length for a continuous foundation that has an eccentricity value of e=0.5m in the width direction of the foundation.
The shallow foundation shown in Figure 4.24 measures 1.5 m x 2.25 m and is subjected to a centric load and a moment. If eB = 0.12 m, eL = 0.36 m, and the depth of the foundation is 0.8 m, determine the allowable load the foundation can carry. Use a factor of safety of 4. For the soil, we are told that unit weight γ = 17 kN/m3, friction angle Φ' = 35°, and cohesion c' = 0.
An eccentrically loaded continuous foundation is shown in Figure P4.11. Determine the ultimate load Qu per unit length that the foundation can carry. Use the reduction factor method [Eq. (4.63)].
A 4.5 m square foundation exerts a uniform pressure of 200kN/m2 on soil. Determine; i. The vertical stress increments due to the foundation load to a depth of 10m below its center. ii. The vertical stress increment at a point 3m below the foundation and 4m from its center a long one of its axes of symmetry.
It is required to design a cantilever retaining wall to retain a 5.0 m high sandy backfill. The dimensions of the cantilever wall are shown in Figure 15.52 along with the soil properties. Check the stability with respect to sliding and overturning, based on the active earth pressures determined, usinga. Coulomb's earth pressure theory (δ' = 24°), andb. Rankine's earth pressure theory.The unit weight of concrete is 24 .0 kN/m3
A square foundation of (5m x 5m) is to carry a load of 4000KN.calculate the vertical stress at a depth of 5m below the center of the foundation. IN=0.084 for m=n=0.50 Also, determine the vertical stress using the 1:2 distribution method.
The shallow foundation shown in Figure 6.25 measures 1.5 m × 2.25 m and is subjected to a centric load and a moment. If eB = 0.12 m, eL = 0.36 m, and the depth of the foundation is 0.8 m, determine the allowable load the foundation can carry. Use a factor of safety of 4. For the soil, we are told that unit weight γ = 17 kN/m3, friction angle ф′ = 35°, and cohesion c′ = 0.
In the figure shown, the concrete dam is 16m high and 13m wide at the base. If the specific weight of the concrete is 23.544KN/m^3 and height of water in the upstream side is 15m, find the factor of safety against sliding, factor of safety against overturning, and the unit pressure on the foundation. Assume there is a hydrostatic uplift that varies uniformly from full hydrostatic head at the heel of the dam to zero at the toe and that the coefficient of friction between the dam and the foundation is 0.50.
Consider a continuous foundation of width B = 1.4 m on a sand deposit with c = 0, = 38, and = 17.5 kN/m3. The foundation is subjected to an eccentrically inclined load (see Figure 6.33). Given: load eccentricity e = 0.15 m, Df = 1 m, and load inclination = 18. Estimate the failure load Qu(ei) per unit length of the foundation a. for a partially compensated type of loading [Eq. (6.89)] b. for a reinforced type of loading [Eq. (6.90)]