Problem #1 The figure below shows a cantilever sheet-pile wall penetrating a granular soil. Here, L1 = 4 m, L2 = 8 m, unit weight above water table= 16.1 kN/m3, saturated unit weight = 5 18.2 kN/m3, and friction angle of sand = 32 degrees. a. What is the theoretical depth of embedment, D? b. For a 30% increase in D, what should be the total length of the sheet piles? c. Determine the theoretical maximum moment of the sheet pile. d. If the allowable flexural stress = 170 MPa, compute the required section modulus of the sheet pile.
Problem #1 The figure below shows a cantilever sheet-pile wall penetrating a granular soil. Here, L1 = 4 m, L2 = 8 m, unit weight above water table= 16.1 kN/m3, saturated unit weight = 5 18.2 kN/m3, and friction angle of sand = 32 degrees. a. What is the theoretical depth of embedment, D? b. For a 30% increase in D, what should be the total length of the sheet piles? c. Determine the theoretical maximum moment of the sheet pile. d. If the allowable flexural stress = 170 MPa, compute the required section modulus of the sheet pile.
Principles of Foundation Engineering (MindTap Course List)
8th Edition
ISBN:9781305081550
Author:Braja M. Das
Publisher:Braja M. Das
Chapter15: Braced Cuts
Section: Chapter Questions
Problem 15.6P
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Problem #1
The figure below shows a cantilever sheet-pile wall penetrating a granular soil. Here, L1 = 4 m, L2 = 8 m, unit weight above water table= 16.1 kN/m3, saturated unit weight = 5 18.2 kN/m3, and friction angle of sand = 32 degrees. a. What is the theoretical depth of embedment, D?
b. For a 30% increase in D, what should be the total length of the sheet piles?
c. Determine the theoretical maximum moment of the sheet pile.
d. If the allowable flexural stress = 170 MPa, compute the required section modulus of the sheet pile.
![The figure below shows a cantilever sheet-pile wall penetrating a granular soil. Here, Li
= 4 m, L2 = 8 m, unit weight above water table= 16.1 kN/m³, saturated unit weight = 5
18.2 kN/m?, and friction angle of sand = 32 degrees. a. What is the theoretical depth of
embedment, D?
b. For a 30% increase in D, what should be the total length of the sheet piles?
c. Determine the theoretical maximum moment of the sheet pile.
d. If the allowable flexural stress = 170 MPa, compute the required section modulus of
the sheet pile.
Sand
Water table
Sand
L2
Ysat
c' = 0
Dredge line
Sand
Ysat
c' = 0](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F82f5892e-3d54-466e-9966-3cb472196b0d%2Fec6274f9-ff5a-4a0c-aaaa-4e7b57700423%2Foy5a3v_processed.png&w=3840&q=75)
Transcribed Image Text:The figure below shows a cantilever sheet-pile wall penetrating a granular soil. Here, Li
= 4 m, L2 = 8 m, unit weight above water table= 16.1 kN/m³, saturated unit weight = 5
18.2 kN/m?, and friction angle of sand = 32 degrees. a. What is the theoretical depth of
embedment, D?
b. For a 30% increase in D, what should be the total length of the sheet piles?
c. Determine the theoretical maximum moment of the sheet pile.
d. If the allowable flexural stress = 170 MPa, compute the required section modulus of
the sheet pile.
Sand
Water table
Sand
L2
Ysat
c' = 0
Dredge line
Sand
Ysat
c' = 0
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