Figure 2 shows the cross-section of a 7m-wide, 2.5m-deep excavation that will be used to build a large sewer line. The excavation is supported by sheet pile walls that extend through layers of sand layers. The friction angle of the sand 1 and sand 2 is 30° and 35°, respectively.Explain your assumptions.Draw the earth pressure diagrams (some of the earth pressures will be function of “d”, embedment depth).Find the embedment depth “d” using the simplified method.Find the maximum moment on the wall and minimum section modulus required. Sheet-pile wallGWLEl=-1,5m\\\sand 1= 17 kN/m³ExcavationEl=-4.0mEl=-5.0msand 24 = 17 kN/m³Figure 2 – Cross-section of excavation Figure 2 shows the cross-section of a 7m-wide, 2.5m-deep excavation that will be used to build a largesewer line. The excavation is supported by sheet pile walls that extend through layers of sand layers. Thefriction angle of the sand 1 and sand 2 is 30° and 35°, respectively.Explain your assumptions.a. Draw the earth pressure diagrams (some of the earth pressures will be function of "d",embedment depth).b. Find the embedment depth “d" using the simplified method.Find the maximum moment on the wall and minimum section modulus required.c.

Answered: Sheet-pile wall GWL El=-1,5m \\\ sand 1…

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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Figure 2 shows the cross-section of a 7m-wide, 2.5m-deep excavation that will be used to build a large sewer line. The excavation is supported by sheet pile walls that extend through layers of sand layers. The friction angle of the sand 1 and sand 2 is 30° and 35°, respectively.

Explain your assumptions.

Draw the earth pressure diagrams (some of the earth pressures will be function of “d”, embedment depth).
Find the embedment depth “d” using the simplified method.
Find the maximum moment on the wall and minimum section modulus required.

Sheet-pile wall
GWL
El=-1,5m
\\\
sand 1
= 17 kN/m³
Excavation
El=-4.0m
El=-5.0m
sand 2
4 = 17 kN/m³
Figure 2 – Cross-section of excavation

Figure 2 shows the cross-section of a 7m-wide, 2.5m-deep excavation that will be used to build a large
sewer line. The excavation is supported by sheet pile walls that extend through layers of sand layers. The
friction angle of the sand 1 and sand 2 is 30° and 35°, respectively.
Explain your assumptions.
a. Draw the earth pressure diagrams (some of the earth pressures will be function of "d",
embedment depth).
b. Find the embedment depth “d" using the simplified method.
Find the maximum moment on the wall and minimum section modulus required.
c.

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