1. Design the cantilever sheet pile wall supporting a loose sand fill as shown in the following Figure. The surcharge is equal to 10 kPa. GWT is at the same height on both sides, and assume yw=10kN/m³. Based on the log spiral solutions, the Ka for the loose sand is 0.3 while the Ka and Kp for the dense sand are 0.2 and 13.125, respectively. a) For a factor of safety of 2 on the passive resistance, determine the required depth of penetration depth, D. (initial trial with D'=4.2m) b) Determine the bending moment of the sheet pile. D 7.0m. 2.0m Yt = 16.5 kN/m³ $' = 30° Loose sand fill: Yt 19.5 kN/m3 = 30° Dense sand: q=10 kN/m²

1. Design the cantilever sheet pile wall supporting a loose sand fill as shown in the following Figure. The surcharge is equal to 10 kPa. GWT is at the same height on both sides, and assume yw=10kN/m³. Based on the log spiral solutions, the Ka for the loose sand is 0.3 while the Ka and Kp for the dense sand are 0.2 and 13.125, respectively. a) For a factor of safety of 2 on the passive resistance, determine the required depth of penetration depth, D. (initial trial with D'=4.2m) b) Determine the bending moment of the sheet pile. D 7.0m. 2.0m Yt = 16.5 kN/m³ $' = 30° Loose sand fill: Yt 19.5 kN/m3 = 30° Dense sand: q=10 kN/m²

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Highway Drainage

Highway drainage is the process of extracting and regulating the excess surface water on the pavement by giving the desired slope. The construction of a highway drain helps to divert the water present on the surface, and sub-grade by the means of slope. Highway drainage systems are a necessary part of smooth functioning of traffic, since the highway drainage systems provide proper disposal of unwanted substances from the highways.

Question

1. Design the cantilever sheet pile wall supporting a loose sand fill as shown in the
following Figure. The surcharge is equal to 10 kPa. GWT is at the same height on
both sides, and assume yw 10kN/m³. Based on the log spiral solutions, the K₂ for the
loose sand is 0.3 while the Ka and Kp for the dense sand are 0.2 and 13.125,
respectively.
a) For a factor of safety of 2 on the passive resistance, determine the required depth of
penetration depth, D. (initial trial with D'=4.2m)
b) Determine the bending moment of the sheet pile.
7.0m.
D
2.0m
Yt = 16.5 kN/m³
$' = 30°
Loose sand fill:
Yt 19.5 kN/m3
= 30°
Dense sand:
Yt= 21 kN/m³
$' = 40°
q=10 kN/m²

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