Situation 3: 6. 7. 8. From the figure shown a soil formation with its corresponding soil properties and water table is located 2 m below the ground surface. To consolidate the ground, surcharge load at the top or dewatering are being considered. DRY SAND 2 m 4 m 18 m SAND CLAY dry = 15.8 kN/m³ sat 19.1 kN/m³ sat = 20.5 kN/m³ A decision has been made to consolidate the clay layer prior to site development by preloading with a sand layer 2.0 m thick. The sand fill will have a unit weight of 15 kN/m³. Find the increase in stress at the bottom of the clay layer. By dewatering 1.8 m, determine the stress increase at the bottom of the clay layer as water level is lowered down by 1.8 m. By how much should the water be lowered down to be more effective than the surcharge load?
Situation 3: 6. 7. 8. From the figure shown a soil formation with its corresponding soil properties and water table is located 2 m below the ground surface. To consolidate the ground, surcharge load at the top or dewatering are being considered. DRY SAND 2 m 4 m 18 m SAND CLAY dry = 15.8 kN/m³ sat 19.1 kN/m³ sat = 20.5 kN/m³ A decision has been made to consolidate the clay layer prior to site development by preloading with a sand layer 2.0 m thick. The sand fill will have a unit weight of 15 kN/m³. Find the increase in stress at the bottom of the clay layer. By dewatering 1.8 m, determine the stress increase at the bottom of the clay layer as water level is lowered down by 1.8 m. By how much should the water be lowered down to be more effective than the surcharge load?
Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter9: Consolidation
Section: Chapter Questions
Problem 9.20CTP
Related questions
Question
![Situation 3:
6.
7.
8.
9.
10.
From the figure shown a soil formation with its corresponding soil properties and water table is located 2 m below the ground surface.
To consolidate the ground, surcharge load at the top or dewatering are being considered.
DRY SAND
2 m
4 m
18 m
SAND
CLAY
Adry
= 15.8 kN/m³
sat 19.1 kN/m³
Asat = 20.5 kN/m³
A decision has been made to consolidate the clay layer prior to site development by preloading with a sand layer 2.0 m thick. The sand fill will
have a unit weight of 15 kN/m³. Find the increase in stress at the bottom of the clay layer.
By dewatering 1.8 m, determine the stress increase at the bottom of the clay layer as water level is lowered down by 1.8 m.
By how much should the water be lowered down to be more effective than the surcharge load?
Determine the type of geosynthetic that serves as both drainage and filter material because it is composed of at least one geosynthetic product
among the components combined with either another geosynthetic product or other materials.
Classify what type of geosynthetics serves as a barrier for liquid and gases.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb25db049-7566-4725-aeb5-82f3a1853b74%2F58ad3946-dfbf-482f-9126-ebcc01fc58e9%2F8364roh_processed.png&w=3840&q=75)
Transcribed Image Text:Situation 3:
6.
7.
8.
9.
10.
From the figure shown a soil formation with its corresponding soil properties and water table is located 2 m below the ground surface.
To consolidate the ground, surcharge load at the top or dewatering are being considered.
DRY SAND
2 m
4 m
18 m
SAND
CLAY
Adry
= 15.8 kN/m³
sat 19.1 kN/m³
Asat = 20.5 kN/m³
A decision has been made to consolidate the clay layer prior to site development by preloading with a sand layer 2.0 m thick. The sand fill will
have a unit weight of 15 kN/m³. Find the increase in stress at the bottom of the clay layer.
By dewatering 1.8 m, determine the stress increase at the bottom of the clay layer as water level is lowered down by 1.8 m.
By how much should the water be lowered down to be more effective than the surcharge load?
Determine the type of geosynthetic that serves as both drainage and filter material because it is composed of at least one geosynthetic product
among the components combined with either another geosynthetic product or other materials.
Classify what type of geosynthetics serves as a barrier for liquid and gases.
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