An embankment for a highway 30 m wide and 1.5 m thick is to be constructed from sandy soil, trucked in froma borrow pit. The water content of the sandy soil in the borrow pit is 15% and its void ratio is 0.69.Specifications require the embankment to compact to dry weight of 18 kN/m3. The length of the embankmentis 1 km.What is the number of 10 m³ of truckloads of sandy soil required to construct the embankment? Assume thatGs=2.7.617O 1584O 5169O 8671

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Answered: An embankment for a highway 30 m wide…

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter3: Weight–volume Relationships

Section: Chapter Questions

Problem 3.24P

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An embankment for a highway 30 m wide and 1.5 m thick is to be constructed from sandy soil, trucked in from a borrow pit. The water content of the sandy soil in the borrow pit is 17% and its void ratio is 0.73. Specifications require the embankment to compact to dry unit weight of 17.5 kN/m3. The length of the embankment is 1 km. What is the weight (in kN) of water per truck load of sandy soil? Assume that Gs=2.76 and total volume of soil per truckload is 7 m³. O 23.5 kN O 18.6 kN O 25.0 kN O 16.5 kN
5. An embankment for a highway will be constructed from a soil. To construct the embankment, the total weight of the soil from the borrow pit is 500000 kN. The water content of the soil in the borrow area of 14% and the bulk unit weight is 16 kN/m³. The soil in the embankment will be compacted to a dry unit weight of 17.5 kN/m³. The specific gravity of the sandy soil is 2.67. (a) Determine the volume and weight of the soil in the embankment. (b) If the soil in the embankment becomes saturated after construction, what is the new water content of the soil?
An embankment for a highway 35 m long and 1.6 m in compacted thickness is to be constructed from a sandy soil trucked from a borrow pit. The water content of the sandy soil in the borrow pit is 15% and its void ratio is 0.69. The specification requires the embankment to be compacted to a dry unit weight of 18 KN/m³, specific gravity of soil is 2.7. For a one-kilometer length of embankment, compute: a) Volume of the borrow pit soil required to construct the embankment| b) Determine the weight of water per truck load of sandy soil, if the capacity of a one truck load is 10 m3.
A 4 m high embankment with a top width of 5 m and side slopes of 1:1, has to be constructed by compacting soil from a nearby borrow pit. The unit weight and natural moisture content of the soil are 1.8 tons/m3 and 8% respectively. Determine the quantity of water to be added to it for every kilometer of finished embankment, if the required dry density and moisture content of the embankment soil be 1.82 g/cm3 and 18%. Given G= 2.70.
An embankment is to be constructed for a certain project, as such filling materials are required to be excavated from borrow pits. The moist unit weight of the undisturbed soil is 20 kN/m3 and its water content is 10%. In order to build a 5 m high embankment with top width 2 m and side slopes 1:1, estimate the quantity of earth required to be excavated per meter length of embankment. The dry unit weight required in the embankment is 17 kN/m3 with a moisture content of 12%. Assume the specific gravity of solids as 2.65.
4. An embankment for a highway will be constructed from a soil. The total volume of the embankment is 20,000 m³. The soil in the embankment will be compacted to a dry unit weight of 18 kN/m³. The sandy soil will be obtained from a borrow pit. The water content of the soil in the borrow area of 16% and the bulk unit weight is 17.5 kN/m³. The specific gravity of the sandy soil is 2.7. (a) Determine the volume and weight of the soil from the borrow pit required to construct the embankment. (b) If the soil in the embankment becomes saturated after construction, what is the new water content of the soil?
Situation 5: 12. 13. 14. 15. An embankment for a highway 30 m wide and 1.3 m in compacted thickness is to be constructed from a sandy soil trucked from a borrow pit. The water content of the sandy soil in the borrow pit is 17% and its void ratio is 0.75. The specification requires the embankment to be compacted to a dry unit weight of 19 kN/m³. The length of embankment is 3 km. Use G = 2.7. Compute the volume of borrow material required. Solve the total cost of fill if the earth fill from borrow site costs P200/m³ Calculate the volume of borrow material required if the specification requires a void ratio of 0.20. The moist unit weight of 0.00283 m³ of soil is 65 N. The water content is 13% and the specific gravity is 2.73. Solve the volume occupied by the water. The saturated unit weight and the water content in the field are found to be 18.55 kN/m³ and 33%, respectively. Determine the specific gravity of the soil solids.
An embankment for a highway 30m wide and 1.5m in a compacted thickness is to be constructed from a sandy soil trucked from a borrow pit. The water content of the sandy soil in the borrow pit is 11% and its void ratio is 0.69. The specification requires dry unit weight of 18 kN/m³, the specific gravity of soil is 2.70. For a 1 km length of embankment, compute a. The weight of soil required to provide embankment. (kN) b. The number of truck required to fill the embankment if the capacity of truck is 10m3 c. The total volume of water in liters for moisture conditioning at degree of saturation of 80% for the required embankment.
An embankment for a highway is to be constructed from a soil compacted to a dry unit weight of 18kN/m3. The clay has to be trucked to the site from a borrow pit. The bulk unit weight of the soil in the borrow pit is 17kN/m3 and its natural water content is 12.3%. Calculate the volume of clay from the borrow pit required for 1m3 of embankment. Assume G=2.7.
An embankment for a highway 30 m wide and 1.3 m in compacted thickness is to be constructed from a sandy soil trucked from a borrow pit. The water content, w, of the sandy soil in the borrow pit is 17% and its void ratio, e, is 0.75. The specification requires the embankment be compacted to a dry unit weight of 19 kN/m^3. Determine, for 3 km length of embankment. Assume Gs = 2.7 a) Compute the volume (m³) of borrow material required b) solve the cost of fill if the earth fill from borrow site costs Pho 150/m³ c) calculate the volume (m³) of borrow material required is the specification required a void ratio of 0.20
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.
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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