1. A 4.0 meter high embankment will be placed over a saturated soil foundation that is 13.4 meters thick. What is the anticipated settlement based on the embankment being built with soil (y = 18.5 kN/m³)? %3D What if it is built with geofoam (y 0.18 kN/m³) and the combined soil-pavement covering above it is y = 19.0 kN/m³? In this case, the soil-pavement covering is 0.75 meters thick, while the geofoam fill is 3.25 meters thick. For this problem, assume the following material properties for the foundation soil: Y = 18.5 kN/m³ I eo = 0.71 Cc ranges from 0.25 to 1.5 (at 0.25 increments) → this represents different kinds of soils Compute the anticipated settlement for an embankment constructed with soil and for an embankment constructed with the geofoam for all the different foundation soil types.

1. A 4.0 meter high embankment will be placed over a saturated soil foundation that is 13.4 meters thick. What is the anticipated settlement based on the embankment being built with soil (y = 18.5 kN/m³)? %3D What if it is built with geofoam (y 0.18 kN/m³) and the combined soil-pavement covering above it is y = 19.0 kN/m³? In this case, the soil-pavement covering is 0.75 meters thick, while the geofoam fill is 3.25 meters thick. For this problem, assume the following material properties for the foundation soil: Y = 18.5 kN/m³ I eo = 0.71 Cc ranges from 0.25 to 1.5 (at 0.25 increments) → this represents different kinds of soils Compute the anticipated settlement for an embankment constructed with soil and for an embankment constructed with the geofoam for all the different foundation soil types.

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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An embankment for a highway 30 m wide and 1.5 m in compacted thickness is to be constructed from sandy soil trucked from a borrow pit. The water content of the sandy soil in a borrow pit is 15% and its void ratio is 0.69. The swell index is 1.2. The specification requires the embankment to be compacted to a dry unit weight of 18kN/m^3. Determine, for a 1-km length of embankment, the following;(d) Volume of the borrow pit material required considering swell. (e) The number of truckloads of sandy soil required for the construction. The full capacity of each truck is 22.2m3, and local government regulations require a maximum capacity of 90%. (f) The weight of dry soil in one truckload.
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a dry density of 17 kN m3 will A borrow pit soil has How many cubic meters of this soil be required to construct an embankment of 120 m³ volume with a dry density of 16 KN/m3.
Question #2
An embankment for a highway 30 m wide and 1.5 m in compacted thickness is to be constructed from sandy soil trucked from a borrow pit. The water content of the sandy soil in a borrow pit is 15% and its void ratio is 0.69. The swell index is 1.2. The specification requires the embankment to be compacted to a dry unit weight of 18kN/m^3. Determine, for a 1-km length of embankment, the ff; (g) The weight of water per truckload of sandy soil. (h) The degree of saturation of the sandy soil in situ. The dry density of sand with a porosity of 0.387 is 1600 kg/m3. Find the following; (i) The void ratio of the soil. (j) The specific gravity of the soil solids.
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