The bottom of a river is 9 m below the water surface. Underneath the bottom of the river is a layer of sand having a specific weight of 18 kN/m3. If the recorded pressure at the tunnel located at the bottom of the sand layer is 305 kPa, how thick is the sand layer?

The bottom of a river is 9 m below the water surface. Underneath the bottom of the river is a layer of sand having a specific weight of 18 kN/m3. If the recorded pressure at the tunnel located at the bottom of the sand layer is 305 kPa, how thick is the sand layer?

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: A layer of saturated clay 5 m thick is overlain by sand 4.0 m deep. The water table is 3 m below the…

A: As per our guidelines we only answer first part of question for the remaining answer please resubmit…

Q: The bottom of a river is 33 ft. below the water surface, Underneath the bottom of the river is a…

A: Given Depth of river = 33 ft Specific gravity of silt = 1.25 Pressure = 90 lb. per sq. in. To find…

Q: Problem 2.A clay layer thick rests beneath a deposit of submerged sand 26ft thick. The top of the…

Q: A layer of sand 6 m thick lies beneath a clay stratum 5 m thick and above abed thick shale Inorder…

A: A ) Given data : Thickness of sand layer = 6 m Thickness of clay stratum = 5 m Discharge = 0.01…

Q: The upstream pressure on a rock sample is 0.113MPa and the downstream pressure is 0.1MPa. Under this…

A: Darcy's law : Darcy's law is a mathematical formula that defines how fluid flows through a porous…

Q: (b) A layer of saturated clay with 4 m thick is overlain by sand with thickness of 5 m deep, the…

Q: 1.5 m 0.7 m 1 m A 2 m B Valve (open) Inflow - Sand

Q: A uniform surface load of 225 kN/m² is applied over the area shown in the following diagram.…

A: Length WidthPressure intensity We will take first of all full rectangular strip i.e., we will ignore…

Q: A layer of saturated clay 5m thick is overlain by sand 4.0 m deep. The water table is 3 m below the…

Q: The pore water pressure (kPa) at D due to capillary rise is y = 16.0 kN/m? Ysat = 16.5 kN/m3 0.5 m D…

Q: Using equation 6.14, determine the vertical stress (Aoz) increase below the center of paded area at…

A: Given Area = 6.35*3.35m^2 Depth 2m,4,6,8,10m q= 225kn/m^2 Calculate stress at different different…

Q: The City of Houston, Texas has been experiencing a rapid lowering of its phreatic surface (draw-…

A: Stable pressure is one of the legal pressures experienced by the underground structure. Some…

Q: Find the vertical stress at depth 10m below point A on the loaded area shown in figure if Aq=100…

A: GIVEN Radius , R=10m Depth , Z=10 m △q=100KN/m2

Q: Question 2/ The soil profile shown in Figure (2) subjected to downward seepage calculate the…

A: Soil subdivision can be done in many ways and there are many types of soils such as clay, dust, etc.…

Q: What is the intensity of active earth pressure at a depth of 10.0 m in dry sand with an angle of…

A: Angle of shearing resistance = 30o and unit weight of 18 kN/m3.

Q: The water table is located at a depth of 4.0 m below the ground surface in a deposit of sand 16.0 m…

Q: A layer of sand 6 m thick lies beneath a clay stratum 5 m thick and above abed thick shale Inorder…

Q: EXAMPLE 10.16 Consider a uniformly loaded flexible circular area on the ground surface, as shown in…

Q: The soil profile consists of a 15 m layer of sand underldin by a 25 m layer of clay. The location of…

A: From the above figure water will rise at 10 m+ effective pressure at bottom of the sand(81.9…

Q: A clay layer 3.66 m thick rests beneath a deposit of submerged sand of 7.92 m thick. The top of the…

Q: Calculate and plot the values of stresses (o ,U and o') with depth Layer No. Thickness (m) Unit…

Q: A soil deposit exists in an area where the ground surface is level. The unit weight for the soil is…

A: The given data is shown below:

Q: A block(unit weight = 19.5 kN/m^3) 0.51m square and 331mm deep floats on a stratified liquid…

Q: By referring to the figure B, calculate the dry unit weight for 2nd layer (depth below existing…

A: Total stress is defined as stress developed due to the total weight of the soil per unit area. Pore…

Q: 1. (30 pts) The soil profile shown below consists of 10 meters of sandy silt overlying gravel. The…

A: Step 1:Step 2: Step 3: Step 4:

Q: A cube-shaped rock with sides of length 1.2 m has a matrix permeability of 0.8 mD and four 0.65 cm…

A: Given data: Permeability, K=0.8 mD Cylinder diameter=0.0065 m Height of cube=1.2 m Calculate the…

Q: 5 m +A 5 m 5 m 10 m

A: Given: A rectangular loaded area as shown below Required to determine a) Stress at a depth of 5 m…

Q: A layer of saturated clay 5 m thick is overlain by sand 4.0 m deep. The water table is 3 m below the…

A: from figure at G.L. 0-0 total stress =0 effective stress=0 at 3m total stress…

Q: Calculate the stress distribution with depth below the center of the dam, and the stres distribution…

Q: For the dam spillway shown in Figure 1, draw a flownet at a scale of 1 inch = 10 meters. Using this…

A: The values and diagram given in the question are as follows Permeability(K)=1.8*10-4 cm/sec…

Q: P2039 kg/m 10 m 15 m P- 1888 kg/m Saturated clay L Sand

A: Given data Depths Water level Saturated densities Sand Saturated clay

Q: 12m 4m 12m 6m Sm 9m 14m

Q: The water level in a lake is 5m above the bed, and the saturated unit weight of lake bed soil is…

A: Given the water level in a lake is 5 m above the bed. The saturated unit weight of lake bed soil,…

Q: layer of stiff saturated clay is underlain by a layer of sand (Figure 9.5). The sand is under…

A: Effective stress at 'A"σ=8.1-H18.9Pore pressure at A isuA=3.569,81

Q: For the soil profile in the Figure 4 plot the distribution of total and effective vertical stresses…

A: For silt:ρ=1880Kgm3Gs=2.65w=10.5%D10=0.02 mmFor clay:Gs=2.7w=35%

Q: In this model, which layers are confined aquifers?

Q: pole carries a vertical load of 200 kN. Determine the vertical total stress increase in kPa at a…

Q: (e) A soil profile consists of a clay layer between layers of sand, the water table being in the…

A: Soil boundaries give an idea of its compatibility with soil and water, or both compounds. When the…

Q: Qi! For the soil profile shown in the figure (1): 1- Calculate total vertical stress at the middle…

Q: Q.3) Determine the increase in vertical stress at a depth 4 m below point A due to surface loads…

Q: An aquifer is overlain by 15 m of jointed rock. The density of the rock is 2500 kg/m. The density…

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

Question

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 with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Stresses in saturated soil without seepage

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

Figure B: Stress diagram Total Stress (o) Pore Water Pressure (u) Effective Stress (o') 26.2 kPa 26.2 kPa -2.0 m 71.2 kPa 25 kPa i) ?? kPa -4-5 m -9.0 m i) ?? kPa 70 kPa 90.3 kPa Figure B Stress diagram By referring to the figure B, calculate the pore water pressure at depth 2m below the ground surface if the is a surcharge of 50 kPa at the ground surface. 50 kPa 0 kPa 10 kPa 100kPa
The bottom of a river is 8m below the water surface. Underneath the bottom of the river is a layer of sand having a specific weight of 18 kN/m3. If the recorded pressure at the tunnel located at the bottom of the sand layer is 305 kPa, how thick is the sand layer?
The water table is located at a depth of 4.0 m below the ground surface in a deposit of sand 16.0 m thick (Fig. 1). The sand is saturated above the water table. The total unit weight of the sand is 25 kN/m3. Calculate the (a) the total pressure, (b) the pore water pressure and (c) the effective pressure at depths 0, 4.0, 10.0, and 16.0 m from the ground surface, and draw the pressure distribution diagram.
A layer of saturated clay 5 m thick is overlain by sand 4.0 m deep. The water table is 3m below the top surface. The saturated unit weight of clay and sand are 18kN/m3 and 20KN/m3 respectively. Above the water table, the unit weight of sand is 17KN/m3. Calculate the effective pressure on a horizontal plane at a depth of 9 m below the ground surface. What will be the increase in the effective pressure at 9m if the soil gets saturated by capillary, up to height of 1m above the water table? Yw = 9.81KN/m3.
A soil stratum has two layers a 4m-thick dry sand underlain by a 5m–thick saturated sand. Dry unitweight and saturated unit weight of sand are respectively 16.21 KN/m3 and 20.88 KN/m3. a. What is the total stress at the bottom of the soil stratum?
referring to the figure below, calculate the distribution of vertical stress along vertical plane passing through one of the two forces. Specify the value of stress in kPa at depth of 4m
The area shown in the figure carries a uniform pressure of 200 kPa. Find the total vertical effective stress at 5 meter below points A and B. Ysa 19 kN/m³ 8 m 5 m 7 m 6 m
A layer of saturated clay 5 m thick is overlain by sand 4.0 m deep. The water table is 3 m below the top surface. The saturated weights of clay and sand are 18 kN/m3 and 20 kN /m3, respectively. Above the water table, the unit weight of sand is 17 kN/m3. Calculate the effective pressure on a horizontal plane at a depth of 9 m below the ground surface. What will be the increase in effective pressure at 9 m, if the soil gets saturated by capillary up to height of 1 m above water table?
1. In a breakwater that is 580 meters long un the shape of a slop, what is the area, perimeter and the total volume of the structure? 2. what is the area, perimeter and total volume of the main mantle and secondary mantle? 3. what is the distances of a,b, c and H from the cross section drawing?
The water table is lowered from a depth of 3 m to a depth of 6 m in a deposit of silt. The silt remains saturated even after the water table is lowered. What would be the increase in the effective stress in kPa at a depth of 3 m and at 10 m on account of lowering of the water table? Assume the water content as 27% and grain specific gravity 2.67. a.29.43 b.88.29 c.117.72 d.58.86
A soil profile consists of a clay layer underlain by a sand layer, as shown. If a tube is inserted into the bottom sand layer and the water level rises to 1 m above the ground surface, determine the vertical effective stresses and porewater pressures at A, B, and C in kPa. m GWL Ț1 m Yt= 18.5 kN/m³ :Clay 2 m Y = 19.0 kN/m³ 1.5 m Ysat = 17.0 kN/m³ Sand • B 2 m Point A: Effective Stress: Porewater pressure: Point B: Effective Stress: Porewater pressure: Point C: Effective Stress: Porewater pressure: