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 = 518.2 kN/m?, and friction angle of sand = 32 degrees. a. What is the theoretical depth ofembedment, 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 ofthe sheet pile.SandWater tableSandL2Ysatc' = 0Dredge lineSandYsatc' = 0

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Answered: Problem #1 The figure below shows a…

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter14: Sheet-pile Walls

Section: Chapter Questions

Problem 14.1P

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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

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