The plan of a rectangular foundation shown in figure transmits a uniform contact pressure of 120 kN/m². Determine the vertical stress induced by this loading at point B under a depth of 5 m. (40 marks) 25.0 15.0 6.0- 4.0 B•

The plan of a rectangular foundation shown in figure transmits a uniform contact pressure of 120 kN/m². Determine the vertical stress induced by this loading at point B under a depth of 5 m. (40 marks) 25.0 15.0 6.0- 4.0 B•

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 10.5P

See similar textbooks

Related questions

Q: The centroid of a strip foundation whose width, B, is 5.0 m is located 10 m away from the edge of a…

A: Given: The width of the foundation is 5 m. The vertical cut depth is 4.0 m. The undrained shear…

Q: 7. A shallow square foundation with the dimension of 2.5m by 2.5m is constructed at a depth of 1.5m…

Q: Ex1: A footing is uniformly loaded with q = 100 kN/m2 as shown in the figure. Compute the vertical…

A: Given Data: The uniform load on the footing is given as q=100 kN/m2. The depth at which the stress…

Q: A circular ring foundation for an overhead tank transmits a contact pressure of 300 kN/m2 .Its…

A: given data:-contact pressure=300kn/m2 external dia=10m internal dia=6m

Q: Q2: A rectangular foundation 4 x2 m, carrying a uniform pressure of 200 kN/m, is located at a depth…

Q: A circular foundation having 9o=720 kPa and radius of 2m is placed on a soil section as shown in…

A: Given data in question Unit weights of sand and clay Depths of clay and sand Void ratios of clay…

Q: A rectangular footing is uniformly loaded with q = 75 kN/m² as shown in the figure. Compute the…

A: Given: q= 75KN/m2 and z= 5m

Q: A square footing is shown is the following figure. Assume the induced stress, Ao,, due to load from…

A: We have to determine the value of settlement of the square footing according the data given in the…

Q: Refer to Figure 5,determine th eaverage stress increase in the clay layer below the center of the…

A: Solution; ∆σav(H2/H1)=4qoH2Ia(H2)-H1Ia(H1)H2-H1B'=α' =0.5β =0.5*1.5 =0.75 m

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: 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: 23. Three foundations are located next to each other as shown in Figure 3. Determine creases at A,…

A: Given:- d=2m To find:- stress increase at A,B and C

Q: A masonry dam 4 m on top, 16 m at the bottom and 24 m high has water 21 m deep on its vertical side.…

Q: Solve Problem 6.8 using Eqs. (6.14) and (6.29).

A: Consider the given figure.

Q: m 3 m-2.5 m-- -6 m- 5 ml 4, = 120 kPa 5 m q1 4, = 90 kPa 3 m 5m q3 5m 4" 100 kPa 4 m -4 m- E

A: Draw FBD: Calculating stress using formula:

Q: A 6 m. x 9 m. rectangular foundation carrying a uniform load of 288 kPa is applied to the ground…

A: The stress distribution is the stress at any point below the ground surface due to the externally…

Q: Figure Q1 shows two parallel strip footings 3m wide and 5m apart (measured from centre to centre),…

A: Given: The width of the footing is 3 m. The distance between footings is 5 m. The compressive…

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

Q: Estimate the (See figure below). The foundation exerts a uniform vertical stress of 120 kPa at…

Q: n the following example, a rectangular foundation must be designed whose B/L ratio must be equal to…

A: step 1-

Q: The 6m x 9m rectangular foundation shown cariies a uniform loau of 325 kPa. a. Compute for the net…

A: aDivide the rectangle into 4 parts b=92=4.5L=62=3mm=bz=4.56=0.75n=Lz=36=0.5Using graph…

Q: A concentrically loaded isolated square footing of size 2 m × 2 m carries a concentrated vertical…

A: Given- square footing 2 m×2 mvertical load=1000 kN

Q: A rectangular foundation 4 m x 6 m transmits stress of 300 kPa on the surface of a soil deposit, as…

A: r=4m z=5m

Q: A long foundation 0.6 m wide carries a line load of 100 kN/m. Calculate the vertical stress σz, at a…

A: Given data: Width of the foundation (B) = 0.6m line load (q) = 100 kN co-ordinate of x = 2.75m and,…

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 circular ring foundation for an overhead tank transmits a contact pressure of 300 kN/m2 .Its…

A: given data outer diameter of raft=10 m internal diameter of raft=6 m pressure of raft=300 kn/m2…

Q: A flexible foundation of width B =2 m applies a uniform pressure of 17 kN/m² to the underlaying…

Q: 10. A flexible foundation is subjected to a uniformly distributed load of q-500 kN/m². Table 3 could…

Q: Q.4 (25 marks): Rectangular footing as shown in the figure. Determined the increment in vertical…

Q: Refer to Figure P5.5. Using the procedure outlined in Section 5.5, determine the average stress…

A: The formula to calculate the total stress increase caused by a rectangularly loaded area for any…

Q: A concentrically loaded isolated square footing of size 2 m x 2 m carries a concentrated vertical…

Q: - A 1.2 m wide long (strip) footing carries a wall loading of 36 kN per meter of wall length. What…

A: Given:-L=1.2 m = 1200mmLoad= 36kN/mdepths = 1m,2m,4mTo find:-vertical stress results according…

Q: (b) Figure Q2 (b) shows the ring foundation to support a silo. Given R1 = 3 m while R2 = 6 m. The…

A: Given data: R1= 3 mR2=6 m Depth 7 m with a interval of 1m.

Q: A square footing is loaded as shown in Figure 05.13. The center of the base of footing is at…

Q: Compute the stress increase in kPa below footing A (1.5m x 1.5m) at the center of the clay layer.…

A: Given Data: The width of the footing A is bA=1.5 m. The load on footing A is QA=P1=400 kN. To…

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: 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: A 2-m diameter flexible foundation applies a uniform pres- sure to the underlying soil of 200 kN/m.…

Q: For the foundation shown in Figure (2), calculate the immediate settlement for a creep time of (8…

A: Solution: Given: σol = 160 kPa t = 8 years Strip footing = 8 m x 10 m Schmertmann method:…

Q: The initial principal stresses at a certain depth in a clay soil are 100 kPa on the horizontal plane…

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: The initial principal stresses at a certain depth in a clay soil are 100 kPa on the horizontal plane…

Q: rate of seepage through the foundation in liters/sec. uplift pressure at "f". uplift force per unit…

Q: A 2 m wide square foundation is placed at a depth of 1.5 m, in a very thick homogeneous sand deposit…

A: Given, Df=1.5 mγ=18.5 kN/m3t=25 Square footing =2 m

Q: Determine the vertical stress at point A (use influence factors) at the depth of 8m and point B (use…

A: The values and diagrams given in the question are as follows: Uniformly distributed load(q)=250 kPa…

Q: A foundation (Figure 1) transmits a stress of 100 kPa on the surface of a soil deposit. a. Evaluate…

A: Radial distsnce of A = 0Radial distance of B rB=22+32=3.6 mRadial distance of C rC=42+12=4.12…

Question

The plan of a rectangular foundation shown in figure transmits a uniform contact
pressure of 120 kN/m². Determine the vertical stress induced by this loading at point B
under a depth of 5 m.
(40 marks)
25.0-
15.0
6.0-
4.0
B•

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 1 images

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, = 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)]
A 6 m. x 9 m. rectangular foundation carrying a uniform load of 288 kPa is applied to the ground surface. Compute the total vertical stress in kPa due to this uniform load at a depth of 6 m. below the center of the loaded area if unit weight of soil is 18,30 kN/m.
A rectangular footing 6 x 3 m carries a uniform pressure of 300 kN/m2 on the surface of a soil mass. Determine the vertical stress at a depth of 4.5 m below the surface on the center line 1.0 m inside the long edge of the foundation.
A circular ring foundation for an overhead tank transmits a contact pressure of 300 kN/m2. Its internal diameter is 6 m and external diameter 10m. Compute the vertical stress on the center line of the footing due to the imposed load at a depth of 6.5 m below the ground level. The footing is founded at a depth of 2.5 m.
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.
A circular ring foundation for an overhead tank transmits a contact pressure of 300 kN/m2 .Its internal diameter is 6 m and external diameter 10m. Compute the vertical stress on thecenter line of the footing due to the imposed load at a depth of 6.5 m below the ground level. The footing is founded at a depth of 2.5m
A rectangular footing 6 x 3 m carries a uniform pressure of 300 kN/m 2 on the surface of a soil mass. Determine the vertical stress at a depth of 4.5 m below the surface on the center line 1.0 m inside the long edge of the foundation?
Determine the increase in vertical stress (kPa) 6 m below the corner of a rectangular foundation 4 m wide and 9 m long uniformly loaded with a pressure of 687 kPa. Provide answer as a whole number (no decimals).
A circular ring foundation for an overhead tank transmits a contact pressure of 300 kN/m 2 . Its internal diameter is 6 m and external diameter 10m. Compute the vertical stress on the center line of the footing due to the imposed load at a depth of 6.5 m below the ground level. The footing is founded at a depth of 2.5 m.
A square footing foundation, 3 m by 3 m, and positioned on the ground surface of a soil deposit, supports a column load of 1,350 kN. Determine the vertical stress resulting from the foundation loading at a depth 3 m below the base of the footing for locations beneath the center and beneath the edge, assuming:(a) Boussinesq conditions apply.(b) Westergaard conditions apply.
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.
A circular ring foundation for an overhead tank transmits a contact pressure of 300 kN/m2 .Its internal diameter is 6 m and external diameter 10m. Compute the vertical stress on thecenter line of the footing due to the imposed load at a depth of 6.5 m below the groundlevel. The footing is founded at a depth of 2.5 m. In above, if the foundation for the tank is a raft of diameter 10 m, determine the vertical stress at 6.5 m depth on the center line of the footing. All the other data remain the same.