effective stress at a depth of 10 m on account of lowering of the water table? Assume the watercontent as 27% and grain specific gravity 2.67A. 58.86B. 29.43C. 39.24D. 49.054. A 25 kN point load acts on the surface of a horizontal ground. Find the intensity of verticalpressure in t/m? at 6 m directly below the load. Use Boussinesq's equation1.2B. 0.67C. 0.033D. 0.44

Note: Since you have posted multiple independent questions in the same request, we will solve the…

Answered: 4. A 25 kN point load acts on the…

4. A 25 kN point load acts on the surface of a horizontal ground. Find the intensity of vertical pressure in t/m? at 6 m directly below the load. Use Boussinesq's equation 1.2 B. 0.67 C.0.033 D. 0.44

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 8.9P

See similar textbooks

Related questions

Q: Q1) calculate stress tensor of a reservoir if you were given the following information: S1= 70 MPa,…

A: Given:- The principal stresses are given:- S1 = 70 MPa S2 = 80 MPa S3 = 35MPa SHmax = oriented to…

Q: A pipe bend has a cross sectional area of 0.01 m2 at inlet and 0.0025 m2 at outlet. It bends 900…

A: Consider the free body diagram of the given 90° pipe bend as shown below. Area at inlet, A1=0.01 m2…

Q: SITUATION 8: A trapezoidal channel discharging 20.40 m³/sec at a depth of 1.2m and a base width of…

Q: The vertical plate shown below is submerged in vinegar (s.g. = 0.85). a. Compute for the magnitude…

Q: c. Figure 2.1 shows a rectangular plate 0.6 m wide and 1.2 m deep lying within a water body such…

Q: A vertical surface with a height of 4’ and a width of 3’ is submerged 2’ below the water surface.…

A: Given Data: Height (h) = 4 ft width (b) = 3 ft submerge below water surface…

Q: Question attached

A: The vertical stress can be calculated by using the following relation ∆σA=2qπaaα1+α2+bα1 where, q=γH…

Q: Medium Dense Sand 4m Ysat = 18.5kN/m3 Ø = 30° Weep holes 4m Ysat = 21.2kN/m³ Ø2 = 90° %3D

A: Given data in question Water table position Depth at wall Saturated unit weight Angle of internal…

Q: Determine the pressure in kPa at the following points: 1. Point 1 2. Point 2 3. Point A r0opten 4ECm…

Q: H.WA pipe bend has a cross sectional area of 0.01 m² at inlet and 0.0025 m² at outlet. It bends 90°…

Q: A uniformly distributed line load of 500 KM acting on the ground surface based on Boussinesq's…

A: Boussinesq's theory Assumptions soil mass is semi-infinite homogeneous and isotropic linear…

Q: Determine the depth of center of pressure on a plane rectangular surface of 1 m wide and 3 m deep…

Q: 4pts In the dam figure with assumed 1 meter strip: water depth D=9m, dam height H=12m, and dam base…

Q: Q2/ For the uniformly distributed loaded area as shown below, estimate the vertical stress at point…

A: A uniformly distributed load (UDL) is a load that is distributed across the region of an element…

Q: Calculate the vertical stress at a depth of 50 ft below a point 10 ft oubide the corner (along the…

Q: A pressure of 35 m of head of water is equal a. 34.40 kN/m² b. 343.40 kN/m² O c. 3500 kN/m² d.…

Q: An inclined square gate of 2.8 m length with water on one side is shown in the figure below. Find…

A: Given above data with square gate having dimensions 2.8m × 2.8m and angle of inclination = 36° we…

Q: 7. Find the load at depth 10m for a uniformly loaded circular area of radius 1000m. k=1. The…

Q: A circular plate 3m in diameter is submerged vertically in water such its upper edge is 12 m below…

A: The given data is: Plate diameter, d=3 m The upper edge =12 m below the free water surface.

Q: 1. A quarter circle dam with radius 20-m and 50-m perpendicular to the figure is shown. Solve for…

Q: Assume a load of 4,000 tons applied as a point concentration at the surface near the MSU Golf…

A: Use boussinesq equation.

Q: Derive the expressions to determine the horizontal and vertical components of the resultant pressure…

Q: A square plate having one of its side equal to 3m. is immersed in a water surface in a vertical…

Q: A force system is shown below. 75 kN 100° (4, 12) 50 kN 160 KN (0, 4) 20° 60° (10, 2) K60- 80 KN-m…

Q: Situation 11: A concrete dam retaining water is shown in the figure. Assume that the hydrostatic…

A: For Gravity dam, either of masonry concrete or earthen material, when its resistant force is driven…

Q: 30 kN 30 kN 30 kN 20 kN - C E 4 m B F2m m 2 m- -2 m-–2 m- EA = constant E= 200 GPa A = 5000 mm?…

A: this is the frame we have to analyze for better understanding I've renamed the nodes as A=1, B=5,…

Q: The canal shown below runs 40 m into the paper. Assume unit weight of H20 is 9.79 kN/m^3. Determine…

Q: Example: Please find the earth pressure at rest distribution value and resultant force on the…

Q: A concentrated load of 3000 kN is applied at the ground surface. Compute the vertical pressure at a…

Q: A circular gate 1.5 m in diameter is inclined at an angle of 45 deg.. Fresh water strands on one…

Q: A rectangular area 3m x 1m is uniformly loaded with load intensity 100 kPa at the ground surface.…

A: using Boussinesq formula to calculate pressure at corner point below 4m

Q: Determine the depth of the center of pressure on a plane rectangular surface of 1 m wide and 3 m…

Q: a. Determine the vertical displacement at joint B b. Determine the horizontal displacement at joint…

Q: A is 70kpa, S.G.=1.5, L=1m and the dome weighs 5000N).

A: Given:- Liquid S=1.5 dome weight=5000N pressure at A is 70kpa S.G.=1.5 L=1m To find:- Indicate…

Q: A dam with specific weight of 24 kN/m3, has dimensions of 6m on top, 20m at the bottom and 27m high…

A: To find location of vertical force

Q: A sketch of a transformed flow net in x-direction under a dam is shown in Figure, the soil has k…

Q: W.S. 1.5 m radius 1.30 m 3.00 m

Q: Solve the following dam probem (hydraulics) 1. Given: Density of Concrete= 2260 kg/m3 Uplift…

Q: Problem 2 Soil pressure acting on the concrete retaining wall is represented as a loading 200 lb/ft…

A: Lateral earth pressure is the pressing factor that soil applies the horizontal way. The lateral…

Q: A sketch of a transformed flow net in x-direction under a dam is shown in Figure, the soil has k =…

A: As per bartleby guidelines, for multiple sub parts. We have to solved 1st 3 sub parts. Kindly upload…

Q: A horizontal pipe curves through a deflection angle of 60° and in the bend changes from 900 mm in…

A: Solution Diameter at section 1-1 = 900 mm = 0.9 m Diameter at section 2-2 = 600 mm = 0.6 m V1 = 2.4…

Q: 4. A figure below shows a semi-conical buttress. Calculate the components of the total force acting…

A: Slanted height - l = 12×2×3×1.5 ⇒l = 4.5m Centroid - y = 1.3 + 13×3⇒y = 2.3m Force in the…

Q: Example 12.7 shear strength; and (ii) with respect to height along the indicated sliding surface AB…

Q: Determine the difference of pressure between points A and B in kPa.

Q: 4. Given the structure in the image below and a load of 2000 Ib/ft?, find the vertical stress (p) 24…

A: Given data in question Load intensity Dimensions Depth To find out Vertical stress below point A…

Q: A 3 m high, 6 m wide rectangular gate is hinged at the top edge at A an is restrained by a fixed…

Q: 1. A square plate having one of its side equal to 3m is immerse in a water surface in a vertical…

A: Note : Since you have asked multiple questions, we will solve the first question for you. If you…

Q: Figure below shows a 100 kN point load and 40 kN/m line load are applied on the ground surface.…

Q: 6.1 A column of a building transfers a concentrated load of 225 kips to the soil in contact with the…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A concentrated load of 1700 kN is applied at the ground surface. Compute the vertical pressure (i)…

A: i) Vertical Pressure at a depth of 7m below the load. The value of concentrated load is Q=1700 kN.…

Question

effective stress at a depth of 10 m on account of lowering of the water table? Assume the water
content as 27% and grain specific gravity 2.67
A. 58.86
B. 29.43
C. 39.24
D. 49.05
4. A 25 kN point load acts on the surface of a horizontal ground. Find the intensity of vertical
pressure in t/m? at 6 m directly below the load. Use Boussinesq's equation
1.2
B. 0.67
C. 0.033
D. 0.44

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 3

VIEW

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Lateral earth pressure distribution against retaining walls

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

Calculate the vertical stress at a depth of 50 ft below a point 10 ft oubide the corner (along the longer side) of a rectangular loaded area 30 x 80 ft carrying a uniform load of 2500 lb/ft2 .
A steel storage tank 20 m in diameter will be used to hold a liquid petroleum product. When filled, the tank causes a bearing pressure of 150 kPa. The soil underlying the tank has a unit weight of 18.5 kN/m3. For a depth 10 m below the base of the tank, compute the effective vertical stress when the tank is empty and when full, for points beneath the center and beneath the edge.(a) Assume the Boussinesq conditions apply.(b) Assume the Westergaard conditions apply.
The plan of a flexible circular loaded area is resisting the uniformly distributed load(q), 835 kN/m2 with the radius of 5.7 m. Illustrate and calculate the increase in thevertical stress (Δσ) at a depth of z = 7.2 m below point A which is immediately belowthe center.
If the water table was found in the interface of clay and sand instead (at 5m depth), graph the effective stress diagram of the profile. Consider a 2.5m capillary rise and S = 85% in that capillary zone. The properties of the first clay layer apply to the entire zone above the capillary zone. For specific gravity, Gs = 2.68.
a) determine the horizontal effective stress at A. (Ans. 53.36 kPa) b) determine the lateral effective stress at point A if the lateral earth pressure coefficient at rest Ko=0.50. (Ans. 26.68 kPa) c) determine the lateral total stress at point A.
A circular area having a radius of 3 m carries a uniformly distributed of 90 kPa is applied to the ground. Compute the total vertical stress in kN/m^2 increment due to this unifrom load if the unit weight of soil is 18.40 kN/m^3 at point 6 m below the edge of the circular area.
5. A thick layer of stiff saturated clay is underlain by a layer of sand under artesian pressure. A deep cut is made in the clay layer as shown in the attached figure. Determine: [2] a. The total stress at point A. b. The factor of safety against heaving at point A, if the effective stress is 12% of the total stress.
A circular area having a radius of 3 m carries a uniformly distributed of 90 kPa is applied to the ground. Compute the total vertical stress in kN/m^2 increment due to this unifrom load if the unit weight of soil is 18.40 kN/m^3 at point 6 m below the edge of the circular area. a. 18.62 b. 137.66 c. 115.17 d. 129.02
INDUCED LOADS ARE APPLIED ON THE GROUND SURFACE AS SHOWN. POINT LOADS: PA= 250KN PB= 175KN PC= 300KN LINE LOAD: Q1= 150KN/M Q2= 225KN/M DETERMINE: a. THE TOTAL VERTICAL STRESS INCREASE AT POINT A AT A DEPTH OF 5M DIRECTLY UNDERNEATH LINE AB.b. THE TOTAL VERTICAL STRESS INCREASE AT POINT O, 8M FROM A TO THE POSITIVE Y AXIS, PERPENDICULAR TO LINE AB AT THE SAME DEPTH.c. THE TOTAL VERTICAL STRESS INCREASE DIRECTLY AT A POINT BELOW THE LINE LOAD 1, PERPENDICULAR TO POINT O AT THE SAME DEPTH.
Soil with a unit weight of 16.97 kN/m^3 is loaded on the ground surface by a uniformly distributed load of 300 kN/m^3 over a circular area 4 m in diameter. Compute the total vertical stress increment due to this uniform load at a depth of 5 m below the center of the circular area. a.60 b.144.8 c.232.49 d.714
A level ground surface exists in an area where soil in the underlying stratum has a wet unit weight of 19 kN/m3. The vertical pressure at any depth represents the major principal stress. The vertical pressure (stress) is the product of the soil unit weight and depth. The lateral pressure at a corresponding depth is 0.45 times the vertical pressure and represents the minor principal stress. (a) Determine the principal stresses acting at a depth 4 m below the surface, and draw the Mohr’s circle for the condition. (b) What is the maximum shear stress acting at this depth?
A 5-m-diameter tank supported on the surface of a soil deposit imposes a bearing pressure of 225 kPa (225 kN/m2). For a point 4 m below the tank base, compare the vertical stress increase due to the tank loading when:(a) the Westergaard conditions are assumed.(b) the 60° approximation is assumed.