Also, calculate the time it will take for 90% consolidation to occur. Submit the answer in days.
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Also, calculate the time it will take for 90%
consolidation to occur. Submit the answer in...
The total settlement for clay being the elastic settlement plus the primary consolidation settlement. 2. A...
The total settlement for clay being the elastic settlement
plus the primary consolidation settlement.
2. A foundation carrying 150 kips needs to be designed in New Jersey (frost depth 3 ft) for a FOS of 3. The founding soil is deep normally consolidated clay deposit with average Su value of 1100 psf, and saturated unit weight of 130 pcf and a moist unit weight of 110 pcf with water table at 3 ft depth. The laboratory tests performed on undisturbed...
3. A soil profile shown below. The uniformly distributed load on the ground surface is Do....
3. A soil profile shown below. The uniformly distributed load on the ground surface is Do. Estimate the primary settlement of the normally consolidated clay layer, given that H-6ft, H2 - 10 ft, Hz - 4ft For sand, Ydry = 113 lb/ft'Ysat = 188.7 lb/ft? For clay, Ysat - 186.4 lb/ft. e=0.85, LL = 55 Ao'-2,000 lb/ft? -0.0003 in /sec 140' Dry sand Satiiruted sand Primary Settlement, Sc of Normally Consolidated clay - If the clay above was overconsolidated, what...
Refer to the figure below. The site consists of 8 ft of sand overlying 4 ft...
Refer to the figure below. The site consists of 8 ft of sand overlying 4 ft of clay. The groundwater level is 4 ft below the ground surface. Given that a proposed footing for a building will be 10 ft by 10 ft at a depth of 2 ft below the ground surface and the load on the foundation is 800 kips, calculate the primary consolidation settlement of the clay layer. Use the 2:1 method to determine the stress distribution...
The time for 50% consolidation of a 25 mm thick clay specimen (drained at top and bottom) in the laboratory is 1...
The time for 50% consolidation of a 25 mm thick clay specimen (drained at top and bottom) in the laboratory is 150 sec. How long (in days) will it take for a 3 m thick layer of the same clay in the field under the same pressure increment to reach 75% consolidation? There is an impermeable shale layer at the bottom of the clay layer in the field I. 2. Use Figure 1 for the following Compute the vertical effective...
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) Use phase diagrams to derive the relationship between; S, Co, co, e, P and P° [5] b) A footing...
a) Use phase diagrams to derive the relationship between; S, Co, co, e, P and P° [5] b) A footing is to be located 5ft below ground level, as shown in Figure 2 below. The base of the square footing is 8ft by 8ft and it exerts a total load of 240 tons, which includes column load, weight of footing, and weight of soil surcharge on the footing. Find the total expected primary consolidation settlement for the clay layer 115)...
For the soil profile shown below, calculate the final settlement due to the placement of the...
For the soil profile shown below, calculate the final settlement due to the placement of the sand fill. Estimate the excess pore pressure at a depth of 1.5 m into the third clay layer 1.5 years after the fill is placed. Assume the coefficient of consolidation is Cv = 1.8 m2/yr. Fill y = 16.0 kN/m² (3m thick) Clay 1 (3m thick) Sand (0.5m thick) Clay 2 (2m thick) Sand (0.5m thick) Clay 3 (4m thick) Sand (0.5m thick) eo...
A new concrete water tank (unit weight= 24 kN/m3) with inner diameter of 13.8 m with...
A new concrete water tank (unit weight= 24 kN/m3) with inner
diameter of 13.8 m with 0.1 m wall thickness, and 9.0 m high is
proposed for construction to cover the water shortage of government
officers’ quarters that located near to an existing 6.0 m high
concrete water tank with similar diameter. The existing water tank
sits on a concrete foundation of diameter 15.0 m and thickness of
0.6 m which is below the finished surface level. The existing water...
A new concrete water tank (unit weight= 24 kN/m3) with inner diameter of 13.8 m with...
A new concrete water tank (unit weight= 24 kN/m3) with inner
diameter of 13.8 m with 0.1 m wall thickness, and 9.0 m high is
proposed for construction to cover the water shortage of government
officers’ quarters that located near to an existing 6.0 m high
concrete water tank with similar diameter. The existing water tank
sits on a concrete foundation of diameter 15.0 m and thickness of
0.6 m which is below the finished surface level. The existing water...
A new concrete water tank (unit weight= 24 kN/m3) with inner diameter of 13.8 m with...
A new concrete water tank (unit weight= 24 kN/m3) with inner
diameter of 13.8 m with 0.1 m wall thickness, and 9.0 m high is
proposed for construction to cover the water shortage of government
officers’ quarters that located near to an existing 6.0 m high
concrete water tank with similar diameter. The existing water tank
sits on a concrete foundation of diameter 15.0 m and thickness of
0.6 m which is below the finished surface level. The existing water...
The total settlement for clay being the elastic settlement
plus the primary consolidation settlement.
2. A foundation carrying 150 kips needs to be designed in New Jersey (frost depth 3 ft) for a FOS of 3. The founding soil is deep normally consolidated clay deposit with average Su value of 1100 psf, and saturated unit weight of 130 pcf and a moist unit weight of 110 pcf with water table at 3 ft depth. The laboratory tests performed on undisturbed...
3. A soil profile shown below. The uniformly distributed load on the ground surface is Do. Estimate the primary settlement of the normally consolidated clay layer, given that H-6ft, H2 - 10 ft, Hz - 4ft For sand, Ydry = 113 lb/ft'Ysat = 188.7 lb/ft? For clay, Ysat - 186.4 lb/ft. e=0.85, LL = 55 Ao'-2,000 lb/ft? -0.0003 in /sec 140' Dry sand Satiiruted sand Primary Settlement, Sc of Normally Consolidated clay - If the clay above was overconsolidated, what...
Refer to the figure below. The site consists of 8 ft of sand overlying 4 ft of clay. The groundwater level is 4 ft below the ground surface. Given that a proposed footing for a building will be 10 ft by 10 ft at a depth of 2 ft below the ground surface and the load on the foundation is 800 kips, calculate the primary consolidation settlement of the clay layer. Use the 2:1 method to determine the stress distribution...
The time for 50% consolidation of a 25 mm thick clay specimen (drained at top and bottom) in the laboratory is 150 sec. How long (in days) will it take for a 3 m thick layer of the same clay in the field under the same pressure increment to reach 75% consolidation? There is an impermeable shale layer at the bottom of the clay layer in the field I. 2. Use Figure 1 for the following Compute the vertical effective...
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) Use phase diagrams to derive the relationship between; S, Co, co, e, P and P° [5] b) A footing is to be located 5ft below ground level, as shown in Figure 2 below. The base of the square footing is 8ft by 8ft and it exerts a total load of 240 tons, which includes column load, weight of footing, and weight of soil surcharge on the footing. Find the total expected primary consolidation settlement for the clay layer 115)...
For the soil profile shown below, calculate the final settlement due to the placement of the sand fill. Estimate the excess pore pressure at a depth of 1.5 m into the third clay layer 1.5 years after the fill is placed. Assume the coefficient of consolidation is Cv = 1.8 m2/yr. Fill y = 16.0 kN/m² (3m thick) Clay 1 (3m thick) Sand (0.5m thick) Clay 2 (2m thick) Sand (0.5m thick) Clay 3 (4m thick) Sand (0.5m thick) eo...
A new concrete water tank (unit weight= 24 kN/m3) with inner
diameter of 13.8 m with 0.1 m wall thickness, and 9.0 m high is
proposed for construction to cover the water shortage of government
officers’ quarters that located near to an existing 6.0 m high
concrete water tank with similar diameter. The existing water tank
sits on a concrete foundation of diameter 15.0 m and thickness of
0.6 m which is below the finished surface level. The existing water...
A new concrete water tank (unit weight= 24 kN/m3) with inner
diameter of 13.8 m with 0.1 m wall thickness, and 9.0 m high is
proposed for construction to cover the water shortage of government
officers’ quarters that located near to an existing 6.0 m high
concrete water tank with similar diameter. The existing water tank
sits on a concrete foundation of diameter 15.0 m and thickness of
0.6 m which is below the finished surface level. The existing water...
A new concrete water tank (unit weight= 24 kN/m3) with inner
diameter of 13.8 m with 0.1 m wall thickness, and 9.0 m high is
proposed for construction to cover the water shortage of government
officers’ quarters that located near to an existing 6.0 m high
concrete water tank with similar diameter. The existing water tank
sits on a concrete foundation of diameter 15.0 m and thickness of
0.6 m which is below the finished surface level. The existing water...
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