For the footings shown in figure, calculate the increase in stress at point (A) at the depth of (3 m) under the surface of the ground. Point A Line load = 500 kN/m Circular load = 400 kN/m? Strip load = 300 kN/m? 2m 3 m

For the footings shown in figure, calculate the increase in stress at point (A) at the depth of (3 m) under the surface of the ground. Point A Line load = 500 kN/m Circular load = 400 kN/m? Strip load = 300 kN/m? 2m 3 m

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter8: Vertical Stress Increase In Soil

Section: Chapter Questions

Problem 8.11P

See similar textbooks

Related questions

Q: n the figure shows a plan view of footing that applies a uniform load of 300kPa on a horizontal…

A: divide the area into three parts and find m,n coefficients and I values from the newmark's table

Q: A 4-m square footing is shown in figure B which supports a load Q = 5000 kN. In this problem H1 = 8…

A: Figure and data is given

Q: A flexible 10ft x 18ft footing is loaded with uniform load of 558 kips. Determine induced stress at…

A: Step 1

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 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 rectangular footing 8 m x 12 m carries a uniformly distributed load of kN/m?. Evaluate the…

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: A 4-m diameter circular footing is supporting a water tank. The total weight of the footing, tank…

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 square footing of 2 m side is subjected to a vertical load of 2000 kN. Assuming load dispersion as…

Q: Ex1: A footing is uniformly loaded with q= 100 kN/m¹ as shown in the figure. Compute the vertical…

Q: For a shallow foundation shown below: Estimate the moments about the x- and y-axis; assume that the…

Q: Problem 5: Calculate the settlement of the 10-foot thick clay layer shown below that will result…

A: Given Data: The thickness of the clay layer is Hclay=10 ft. The thickness of mid clay layer is…

Q: 4. A 4m x 8m rectangular footing will be placed on ground surface as shown in the figure below. The…

A: Given Data: The dimension of a rectangular footing is A=4 m×8 m The total load acting on the footing…

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

Q: A circular area having a radius of 3 m carries a uniformly distributed of 90 kPa is applied to the…

A: This question is related to the Soil Mechanics. There is Option (D) 27.26 is correct answer.…

Q: A strip footing for a masonry wall is 1.1 m wide and is supported by the soil profile shown in the…

Q: The 5 ft square footing shown in Figure 6.13 supports a column load of 100 k. Compute thebearing…

A: Bearing pressure q= load/ area Given, Load= 100k Area = 5² = 25 ft²

Q: A rigid shallow foundation 1 m 1 m in plan is shown in Figure below. Calculate the elastic…

A: solution?i=q×αB'×1-μ2Es×Is×Ifq=200 KN/m2H=5 mα=4B'=B2=12=0.5Es=∑Esi×HiHEs=8000×2 +6000×1…

Q: A rectangular footing of 1.5x2.0 m on stiff clay (0= 0) is subjected to an inclined load as shown in…

A: Rectangular footing,L = length of footing = 2.0 mB = Width o footing = 1.5 mDf = Depth of footing =…

Q: a b SOIL e

Q: 8. A loaded footing ABCD with q = 200 kN/m² on the ground is shown in the figure below. Compute Aoz…

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

A: Given data: q = 75 kN/sq m z = 5m Area of rectangle A = 15 × 8 =120 m2 The Boussinesq equation we…

Q: A loaded footing ABCD with q = 200 kN/m² on the ground is shown in Figure 8.19. Compute Ao, under…

Q: A footing 2m x lm exerts a uniform pressure of 150 kN/m? on the soil. Assuming a load dispersion of…

Q: For the footings shown in figure, calculate the increase in stress at point (A) at the depth of (3…

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

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: A pad footing of dimensions 1.2 m by 2.5 m applies a surface pressure of 425 kPa. The pad footing is…

A: Given: The dimension of the footing is 1.2 m x 2.5 m. The surface pressure is 425 kPa. The thickness…

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 circular (0.8 m diameter) footing with q = 50 kN/m² is placed on the ground surface. Compute and…

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: 4. A 4m x 8m rectangular footing will be placed on ground surface as shown in the figure below. The…

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

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

Q: For the footings shown in figure, calculate the increase in stress at point (A) at the depth of (3…

A: Given data Line load Circular load Strip load I ll use Boussinessq's equations to solve it.

Q: A rectangular footing 2.0 m x 2.5 m carries three columns at distances from the footing center as…

A: Given, P1 = 400 kN P2 = P3 = 200 kN

Q: A combined trapezoidal footing of length L supports two identical square columns (P and P;) of size…

Q: Q2/ A rectangular footing 1.5 m x 1 m is shown in the Figure below. Determine the magnitude of the…

Q: A square footing of size 13 x 13 ft founded on the surface carries a distributed load of…

A: While constructing anything on the soli it is very important to know the overall stress on the soil…

Q: 3-2 Geostatic stress in the foundation ground TINIK A ground is composed of multiple layers of…

Q: A square footing of 2 m side is subjected to a vertical load of 2000 kN. Assuming load dispersion as…

Q: A circular footing of (225 kPa) is resting on a dry soil with a concentrated load (P) which act at…

A: Compaction is the process in which soil gets distributed properly, and its quantity gets pressured…

Q: A square column foundation with base of 1.31 m is shown in the figure. It carries an axial load of…

Q: The mat foundation shown in Figure 1 has dimensions of 60 ft x 100 ft. The total dead load and live…

A: Given Data: The dimension of a mat foundation is, A=60 ft×100 ft The total load on the mat…

Q: Prob. 3) Referring to the figure below: A) Compute the average increase in stress Ao below the…

A: Settlement of soil : Settlement is the downward movement of the ground (soil) caused by weight. The…

Q: For the footing plan shown in Figure, calculate the increase in vertical stress in point A under the…

A: Consider the given data Considering the reference point c left half of the section and right are…

Q: 5. A square footing 1.4 m X 1.4 m rests at a depth of 1 m in a saturated clay layer 3 m deep. Take…

Q: A foundation of 1.0 m in radius with a thickness of 300 mm is located at a depth of 1.5 m below the…

Q: For the following cases, determine the allowable gross vertical load bearing capacity of the…

A: Hi there! since you have asked multiple questions, we will solve the first question for you. If you…

Question

For the footings shown in figure, calculate the increase in stress at point (A) at the depth of (3 m) under the surface of the ground.
1m
Point A
Line load = 500 kN/m
Circular load = 400 kN/m?
Strip load = 300 kN/m?
2 m
3 m

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

In the figure shows a plan view of footing that applies a uniform load of 300kPa on a horizontal ground surface. Calculate the vertical stress component in kPa at point A at a depth of 2m.
Tthe footing shown in a figure below is subjected to a uniform load of 300KPa. Calculate the vertical stress component at 2m below point A. Using the concept of superposition of concentrated loads
A square footing is loaded as shown in Figure 05.13. The center of the base of footing is at coordinate (0, 0, 0). Determine the increase in vertical stress at a point whose coordinate is (3.0, 4) using pressure isobars based on Boussinesa equation for square footings shown in Figure 05.7.
A square footing of size 13 x 13 ft founded on the surface carries a distributed load of 2089 lb/ft 2 . Determine the increase in pressure at a depth of 10 ft by the 2:1 method
A 4-m diameter circular footing is supporting a water tank. The total weight of the footing, tank and its contents is 1.60 MN. Using the Bousinessq equation: ?? = ? × ?? where ?? = 1 − 1/? and ? = [(?/?) 2 + 1] 3/2 , determine: a. The pressure at the base of the footing b. The increase in pressure at a depth of 4 meters below the base of the footing c. The depth below the base of the footing where pressure increase is equal to 1/6 pressure at the base of the footing
A 3 m 4 m footing, founded at 2 m depth in a clay, applies a net pressure of 200 kN/m2. The bed rock lies 10 m below the footing. The modulus of elasticity of the clay is 30 MN/m2. Using Janbus generalized relationship [Eq. (17.1)], assuming undrained conditions and flexible footing carrying uniform pressure, estimate the expected settlement.
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)]
Solve Problem 7.8 using Eq. (7.29). Ignore the post-construction settlement. 7.8 Solve Problem 7.4 with Eq. (7.20). Ignore the correction factor for creep. For the unit weight of soil, use γ = 115 lb/ft3. 7.4 Figure 7.3 shows a foundation of 10 ft × 6.25 ft resting on a sand deposit. The net load per unit area at the level of the foundation, qo, is 3000 lb/ft2. For the sand, μs = 0.3, Es = 3200 lb/in.2, Df = 2.5 ft, and H = 32 ft. Assume that the foundation is rigid and determine the elastic settlement the foundation would undergo. Use Eqs. (7.4) and (7.12).
A flexible circular footing of radius R carries a uniform pressure q. Find the depth (in terms of R) at which the vertical stress below the center is 20% of q.
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 4-m square footing is shown in figure B which supports a load Q = 5000 kN. In this problem H1 = 8 m and H2 = 12 m. Calculate: a. The pressure at the base of the footing b. The pressure at the mid height of the clay layer assuming that the stress beneath the footing is spread at a slope of 1H to 2V c. The pressure at the mid height of the clay layer [below the center of the footing using Bousinessq equation assuming point load
(b) Figure Q2 (b) shows the ring foundation to support a silo. Given R1 = 3 m while R2 =6 m. The total vertical load is 7500 kN. (i) Calculate and plot the vertical stress increase with depth up to 7 m (use 1 minterval) under the centre of the ring (point O).(ii) Determine the maximum vertical stress increase and its location.