Problem 7: A foundation measuring 1.2 m * 2.4 m in plan is constructed in a saturated clay. Given: depth of embedment of the foundation=2 m, unit weight of soil = 18 kN/m3, and undrained cohesion of clay = 84 kN/m2. Estimate the ultimate uplift capacity of the foundation.
Q: Calculate the settlement under the center of a flexible foundation 4 m by 4 m due to volume…
A: Given data:
Q: A rectangular foundation 4 m x 6 m (Figure 1) transmits a stress of 100 kPa on the surface of a soil…
A: The stress is 100 kPa. The load is calculated as, Q=Stress×Area=1006×4=2400 kN The expression for…
Q: A rectangular foundation of 4m x 6m (as shown in Figure 4) transmits a stress of 150 kPa on the…
A: given stress σ=150kPa
Q: Problem (4.10): The foundation plan shown in the figure below is subjected to a uniform contact…
A: Consider the free body diagram , total loading can be divided into equal parts using the line (z-z);
Q: A flexible foundation measuring 1.5 m x 3 m is supported by a saturated clay. Given: Dr = 1.2 m, H =…
A: L=3m B=1.5m Df=1.2m H=3m Es=600KN/m2 q∘=150KN/m2
Q: A foundation measuring 1.2 m x 2.4 m in plan is constructed in a saturated clay. Given: depth of…
A: The ultimate uplift capacity of foundations with special reference to transmission tower footings is…
Q: A square column foundation with base of 1.36 m is shown in the figure. It carries an axial load of…
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: H.Q6 A flexible foundation measuring 1.5 m x 3 m is supported by a saturated clay. Given: Dr = 1.2…
A: Solution: Flexible Foundation dimensions; B×L=1.5 m ×3 mDf=1.2 mH=3 mES(clay)=600 KN/m2q0=150 KN/m2
Q: For an eccentrically loaded continuous foundation on sand, given B = 2.35 m, Df = 1.78 m, e/B = 0.17…
A:
Q: 5.4 A shallow foundation 25x18m carries a uniform pressure of 175kN/m². Determine the vertical…
A:
Q: A rigid foundation is subjected to a vertical column load, P = 355 kN, as shown in Figure 11.43.…
A: Soil is one of the important aspects of construction material. So one needs to find out its…
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: Problem 2. The centroid of a strip foundation whose width, B, is 5.0 m is located 10 m away from the…
A: The centroid of the foundation is 10 m from a vertical cut edge. Foundation width is 5 m. Vertical…
Q: A square column foundation with base of 1.39 m is shown in the figure. It carries an axial load of…
A:
Q: A foundation 4 x 2 m carries a uniform pressure of 200 kN/ m- at a depth of I m in a layer of…
A:
Q: A square footing foundation, 3 m by 3 m, and positioned on the ground surface of a soil deposit,…
A: (a) The expression for the surface load is given by, Here, q is the surface load, Q is the load…
Q: A rectangular footing 6 x 3 m carries a uniform pressure of 300 kN/m 2 on the surface of a soil…
A: A rectangular footing dimension 6m x 3 m. Uniform pressure = 300KN/m2 Vertical stress at a…
Q: A load of 1500KN is carried on a foundation 2m square at a shallow depth in a soil mass. Determine…
A: (a) for uniformly distributed load uniform pressure q=QA=1500 KN4=375 KNdevide given area in four…
Q: |A rigid shallow foundation 1m x Im in plan is shown in the following figure. Calculate the elastic…
A:
Q: A square foundation in a sand deposit measures 4 ft x 4 ft in plan. Given: Df = 5 ft, soil friction…
A: Given, Size of foundation = 4ft×4ftDepth of foundation, Df = 5 ftAngle of friction, ϕ = 35oUnit…
Q: With respect to Hansen's equations, for a foundation that is 1.5×3.5 in plan, C = 25 kPa and p =…
A:
Q: A flexible foundation measuring 1.5 m x 3 m is supported by a saturated clay. Given: Dr = 1.2 m, H 3…
A: The formula to calculate the average elastic settlement is given by, Se=A1A2q0BEs…
Q: A square foundation is 1.5 m X 1.5 m in plan. Given the soil properties supporting the foundation…
A:
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: Calculate the settlement due to volume distortion in a clay where a rectangular-shape (flexible…
A: Given: The size of the rectangular footing is 6 ft by 12 ft. The load on the footing is 220 kips.…
Q: Explain the problem attached
A: since type of shallow footing is not provided we assumed it to be strip footing Nc=5.7,Nq=1,Nϒ=0,…
Q: A shallow foundation 25 x 18 m carries a uniform pressure of 175 k N / m 2 . Determine the vertical…
A:
Q: Refer to Figure 5.2. A square foundation measuring 1.5 m x 1.5 m is supported by a saturated clay…
A: Given DF=1 m Cu=115 kN/m2 width of footing,B=1.5 m γsoil =18.5kN/m3 since the soil is undrained…
Q: A water tower is founded on a circular foundation. The diameter of theo foundation is 12 m.…
A:
Q: Calculate the soil volume distortion settlement under the center of a 2-m-wide strip foundation…
A:
Q: Problem (4.10): The foundation plan shown in the figure below is subjected to a uniform contact…
A: Uniform contact pressure= 40kN/m2 As the shape of the foundation is not mentioned let us assume the…
Q: Q3/ A rigid shallow foundation shown in Fig.3: 1. Calculate the elastic settlement in mm. (based on…
A:
Q: For an eccentrically loaded continuous foundation on sand, given B = 1.9m, Df = 0.81m, e/B = 0.21…
A:
Q: A 2-m diameter flexible foundation applies a uniform pres- sure to the underlying soil of 200 kN/m.…
A:
Q: A square column foundation with base of 1.35 m is shown in the figure. It carries an axial load of…
A:
Q: ELABORATE Try solving the following problem: Practice Problem: A rigid foundation is subjected to a…
A: P = 550KN L = 3m B = 2m Df= 1.5m H = 5m Es= 13500knN/m2 μs = 0.5 It has been asked in the question…
Q: A column foundation [ 2.0 m x (1.7m] in size is located at a depth of 1.4 m in a strong cohesive…
A: The following figure shows the sketch of the foundation. Given Data: Length of foundation is L=2 m.…
Q: A rigid foundation is subjected to a vertical column load, P = 355 kN, as shown in Figure 11.43.…
A: Any footing which has rigidity, acts as a fixed element. Due to the footing rigidity, settlement of…
Q: EXAMPLE 7.14 A rectangular foundation in a saturated clay measures 1.5 m x 3 m. Given: D; = 1.8 m,…
A: Ultimate uplift capacity can be calculated by using Terzaaghi's and Skempton's theory.Here we are…
Q: A continuous foundation on a deposit of sand layer is shown in Figure P5.16 along with the variation…
A: The elastic settlement of a foundation founded on granular soils according to Schemertmann is given…
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: Example 12.6 A square foundation is shown in Figure 12.9. Assume that the load eccentricity e 0.5…
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Q: For a shallow foundation shown below: Estimate the ultimate bearing capacity when the water table…
A: Answer We are given Width of Foundation B = 2m Length of Foundation L = 3m Depth of Foundation Df =…
Q: A strip foundation (a long foundation in which the length is much longer than the width) of width 1m…
A: The given data is: Load transmitted by strip footing (q) = 40 kN/m Width of footing (B) = 1 m Depth…
Q: Problems 11.1 A rigid foundation is subjected to a vertical column load, P = 355 kN, as shown in…
A:
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- Refer to Figure 5.2 and consider a rectangular foundation. Given: B = 1.5 m, L = 2.5 m, Df = 1.2 m, H = 0.9 m, Φ' = 40º, c' = 0, and γ = 17 kN/m3. Using a factor of safety of 3, determine the gross allowable load the foundation can carry. Use Eq. (5.3).A foundation measuring 1.2 m x 2.4 m in plan is constructed in a saturated clay. Given: depth of embedment of the foundation = 2 m, unit weight of soil = 18 kN/m3, and undrained cohesion of clay = 74 kN/m2. Estimate the ultimate uplift capacity of the foundation.A 2 m wide continuous foundation is placed at 1 m depth within a 1.5 m thick sand layer that is underlain by a weaker clay layer. The soil properties are as follows: Upper sand layer: unit weight = 18.0 kN/m2, d' = 38° Lower clay layer: unit weight = 19.0 kN/m, undrained shear strength = 25 kN/m2 Determine the maximum wall load that can be allowed on the foundation with FS = 3.
- A foundation 2.00 m square is supported by saturated clay. The unit weight of this clay is 18.6 kN/m3. The depth of the foundation is 1.5 m. Determine the ultimate bearing capacity of this foundation assuming that the load will be applied very rapidly. Given the following for the clay [laboratory unconsolidated-undrained triaxial (static) test results]: Undrained cohesion, cu(stat) = 90 kPa Strain-rate factor = 1.4 (cu(dyn)/cu(stat))PROBLEMS 8.1 Refer to Figure 8.3. For a flexible load area, given: B= 3 m, L=4.6m, q= 180KN/m², D; =2m, H = 00, v= 0.3, and E = 8500KN/m³. Estimate the elastic settlement at the center of the loaded area. Use Eq. (8.14). %3D Foundation B×L Rigid :foundation Flexible foundation H settlement settlement v = Poisson's ratio E = Modulus of elasticity Soil Rock Figure 8.3 Elastic settlement of flexible and rigid foundations. (8.14)A long foundation 0.6 m wide carries a line load of 100 kN/m. Calculate the vertical stressi ncrease at a point P, the coordinates of which are x = 2.5 m, and z = 1.5m, where the x-coordinate is normal to the line load from the central line of the footing. a. 3.05 kPa b. 1.69 kPa c. 4.08 kPa d. 5.12 kPa) e. 2.55 kPa
- Please solve this question. Q. No. 1: A foundation 4x4 m is located at a depth of 1 m in a layer of saturated clay 13 m thick. Characteristic Parameters for the clay are cu=100 kN/m2, u=0, c'=0, '=32o, Cc=0.36, eo=0.784, NCC, sat=21 kN/m3. Determine the design load of the foundation to ensure (a) a factor of safety with respect to shear failure of 3 using the traditional method, (b) consolidation settlement does not exceed 30 mm.A long foundation 0.6 m wide carries a line load of 100 kN/m. Calculate the vertical stress σz, at a point P, the coordinates of which are x = 2.75 m, and z = 1.5 m, where the x-coordinate is normal to the line load from the central line of the footing.Question 1) For a shallow foundation measuring (1.7 m x 2.2 m) as shown below: , A. Estimate the elastic settlement proposed by Mayerhof. Then, B. Estimate the elastic settlement proposed by Bowles, if the water table rises 1.5 m. Then, Use yw=10 kN/m³ qnet= 1.2 MN/m2 G.S 1.5 m Sand Yd=16 kN/m³ Ysat= 17 kN/m3 %3D 2.5 m N60=52 V W.T. Silty Sand Ya=18 kN/m³ Ysat = 18.5 kN/m? N60=52 3.5 m Sand Ya=19 kN/m3 Ysat = 22 kN/m³ e, = 0.4, Ae=0.04 , o'= 194 kN/m2 5 m Cc= 0.3, Cs= 0.2 , Ca= 0.05 N60=60 CS Scanned with CamScanner
- 9.3 Given: T- shape foundation as shown in figure is loaded with a uniform load of 120 kN/m². Required: the increment in vertical stress at point (P) at a depth of 5m. 0.6 0.6 0.6 3m m n I₁ 1.5 0.3 0.0629 0.1431 9m 1.2 3m 0.6 0.1069A foundation (Figure 1) transmits a stress of 100 kPa on the surface of a soil deposit. a. Evaluate increases of vertical stresses points A, B, and C at the depth of 2m and Sm (2 points) b. At what depth is the increase in vertical stress below A less than 10% of the surface stress? 6 m +2 m- A 2 m -4 m- Figure 1: Plan of foundationA column foundation [ 2.0 m x (1.7m] in size is located at a depth of 1.4 m in a strong cohesive soil layer 2.4 m thick has a unit weight of 19.7 kN/m3, cohesion of 29 kN/m2 and , friction angle of 28o. This layer overlies a weaker cohesive soil layer 15 m thick has a unit weight of 16.3 kN/m3, cohesion of 8 kN/m2 and friction angle of 20o. Determine the allowable foundation load if the factor of safety is 2.5. Show all the related labeled sketches clearly.