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A 20 ft thick fill with a unit weight of 120 Ib/ft3 is to be placed...
6. (former exam question) A large granular free draining fill 6-ft thick was placed on a...
6. (former exam question) A large granular free draining fill 6-ft thick was placed on a 15-ft thick layer of clay as shown in the figure below. A piezometer was installed at the midpoint of the clay layer. The water table is at the original ground surface. Three years after the placement of the fill, the piezometer reads 7.63 ft above the ground water level. Answer the following questions: a. What percentage of the total consolidation for the entire clay...
Show all work 20-ft thick fill is planned to be placed at a construction site. Ground settlement is of concern due...
Show all work
20-ft thick fill is planned to be placed at a construction site. Ground settlement is of concern due to high compressibility of the clay layer. A consolidation test was performed on a sample collected from the center of the 15-ft thick clay layer. On the following page, e-logp curve obtained from the test is included. Estimate ground settlement based on the information provided. Hint: Don't forget to correct the curve for field conditions. Ifơ0 is within 10%...
A sheet pile bulkhead for a shipping channel is used to support a fill that extends 25ft higher than the channel bottom. The fill and channel bottom consist of granular soil with unit weight y of 120...
A sheet pile bulkhead for a shipping channel is used to support a fill that extends 25ft higher than the channel bottom. The fill and channel bottom consist of granular soil with unit weight y of 120pcf and friction angle pf 35o. Determine the required depth of sheet pile embedment, using the free earth-support method (ref. Figure). The wall anchor (tieback) will be 5 ft below the top of the fill, and the design depth for the channel water is...
A 2-m thick of compacted soil of unit weight 20 kN/m3 will be placed on the top of the ground surface. Δσ y...
A 2-m thick of compacted soil of unit weight 20 kN/m3 will be placed on the top of the ground surface. Δσ y 14.0 kN/m3 3.0 m Sand Y 17.5 kN/m3 2.0 m 3.0m A Soft clay y= 13.5 kN/m3 6.0 m Medium clay y=15.0 kN/m3 B 4.0 m Bedrock a) Before placing the compacted soil, what are the overconsolidation ratios (OCR) for point A and B? b) When placing the compacted soil, what external load Ag would be? c)...
6. (former exam question) A large granular free draining fill 6-ft thick was placed on a 15-ft thick layer of clay as shown in the figure below. A piezometer was installed at the midpoint of the clay layer. The water table is at the original ground surface. Three years after the placement of the fill, the piezometer reads 7.63 ft above the ground water level. Answer the following questions: a. What percentage of the total consolidation for the entire clay...
Show all work
20-ft thick fill is planned to be placed at a construction site. Ground settlement is of concern due to high compressibility of the clay layer. A consolidation test was performed on a sample collected from the center of the 15-ft thick clay layer. On the following page, e-logp curve obtained from the test is included. Estimate ground settlement based on the information provided. Hint: Don't forget to correct the curve for field conditions. Ifơ0 is within 10%...
A sheet pile bulkhead for a shipping channel is used to support a fill that extends 25ft higher than the channel bottom. The fill and channel bottom consist of granular soil with unit weight y of 120pcf and friction angle pf 35o. Determine the required depth of sheet pile embedment, using the free earth-support method (ref. Figure). The wall anchor (tieback) will be 5 ft below the top of the fill, and the design depth for the channel water is...
A 2-m thick of compacted soil of unit weight 20 kN/m3 will be placed on the top of the ground surface. Δσ y 14.0 kN/m3 3.0 m Sand Y 17.5 kN/m3 2.0 m 3.0m A Soft clay y= 13.5 kN/m3 6.0 m Medium clay y=15.0 kN/m3 B 4.0 m Bedrock a) Before placing the compacted soil, what are the overconsolidation ratios (OCR) for point A and B? b) When placing the compacted soil, what external load Ag would be? c)...
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