A 1.2 m height highway embankment of large lateral extent is to be placed over a surface clay deposit of 10 m thickness which is underlain by sand as shown in the figure below. A- Compute the primary consolidation settlement expected under the embankment. (Ans: 8.78 cm) B- If the maximum allowable settlement of the cmbankmcnt surface pavement is 3cm, when should the pavement be placed after completion of embankment placement?. (Ans: t 2.69 years) C- What is the excess pure water pressure at the clay mid-depth one year after the completion of embankment plucement? (Ans: u, = 26.94 kN/m?) Embankment of large extent y 16.1 kN/m G.W.T Clay Year - 18.1 kN/m", , - 1.01 o- 50 kN/m C-0.17, C,-0.04. C,- 13 m²/yr 1.2 m

Structural Analysis
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Chapter2: Loads On Structures
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Soil mechanics
A 1.2 m height highway embankment of large lateral extent is to be placed over a surface clay
deposit of 10 m thickness which is underlain by sand as shown in the figure below.
A- Compute the primary consolidation settlement expected under the embankment. (Ans: 8.78 cm)
B- If the maximum allowable settlement of the embankment surface pavement is 3cm, when should
the pavement be placed after completion of embankment placement?. (Ans: t = 2.69 years)
C- What is the excess pure water pressure at the clay mid-depth one year after the completion of
embankment placement? (Ans: u, = 26.94 kN/m²)
Embankment of large extent y - 16.1 kN/m?
G.W.T
Clay
Ysar - 18.1 kN/m, e, - 1.01
o'- 50 kN/m
C, - 0.17, C, - 0.04. C,-13 m²/yr
Sand yat = 18.1 kN /m
Transcribed Image Text:A 1.2 m height highway embankment of large lateral extent is to be placed over a surface clay deposit of 10 m thickness which is underlain by sand as shown in the figure below. A- Compute the primary consolidation settlement expected under the embankment. (Ans: 8.78 cm) B- If the maximum allowable settlement of the embankment surface pavement is 3cm, when should the pavement be placed after completion of embankment placement?. (Ans: t = 2.69 years) C- What is the excess pure water pressure at the clay mid-depth one year after the completion of embankment placement? (Ans: u, = 26.94 kN/m²) Embankment of large extent y - 16.1 kN/m? G.W.T Clay Ysar - 18.1 kN/m, e, - 1.01 o'- 50 kN/m C, - 0.17, C, - 0.04. C,-13 m²/yr Sand yat = 18.1 kN /m
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