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The total settlement for clay being the elastic settlement plus the primary consolidation settlement. 2. A...
HW#10 Given the following column loading and footing information, determine the size of a mat foundation...
HW#10 Given the following column loading and footing information, determine the size of a mat foundation shown below: I 15 Column Information: Column A: Live load = 40 kips, Dead load = 50 kips Column B: Live load = 80 kips, Dead load = 100 kips. Distance between two columns: 15 ft. W soil = 120 psf 24" I CA C. Footing information: Distance from column A to edge of footing: 1 ft. Allowable soil bearing capacity = 3000 psf...
Homework #10 A soil exploration result of a site is shown in the following figure. A...
Homework #10 A soil exploration result of a site is shown in the following figure. A building is to be constructed at that site. First, it has been proposed to raise the elevation of the ground by filling the site with 10 ft thick compacted soil at an area of 25 ft x 25 ft. The unit weight of the compacted moist soil was 120 pcf. The foundation of proposed building was constructed at the center of the compaction area...
Also, calculate the time it will take for 90% consolidation to occur. Submit the answer in...
Also, calculate the time it will take for 90%
consolidation to occur. Submit the answer in days.
Calculate the consolidation settlement at the middle of the clay layer for the soil profile and strip (continuous) footing shown below. Use the lavg equation in question 1 for the clay layer. Use 150 lb/ft3 for the unit weight of concrete. Submit the answer in inches. 2,000 lb/ft continuouS 1.5 feet footing 2.5 ft 5.0 ft 12.0 ft e = 0.65 = 120...
on 4 Please round to the nearest Tenth (i.e., 0.1). No Comma! Moist unit weight of...
on 4 Please round to the nearest Tenth (i.e., 0.1). No Comma! Moist unit weight of soil, gamma 101 pcf The factor of safety, FS-3 A square footing carries the proposed total load of 680 kips (Q) red out of on Dr-B Φ = 30° с 0 v 0.35 E-450,000 Ib/t 1:0.88 x B psf (only numeric valuel) 1. Allowable bearing capacity, qa- 2. Required dimension, B in terms of bearing capacity- 3. Required dimension, B in terms of settlement...
3. The bearing capacity of shallow foundations (i.e. footings) depends on the soil shear strength (ie....
3. The bearing capacity of shallow foundations (i.e. footings) depends on the soil shear strength (ie. ф and c). The ultimate bearing capacity (qultnei) of the soil is calculated using the following equation: Dr qult.net bearing capacity failure surface i. Frictional resistance along failure surface due to self-weight of soil below footing level footing level. Ny. No, and Ng are dimensionless bearing capacity factors that depend on the ii. Cohesive resistance along failure surface below footing level. iii. Frictional resistance...
help please A square footing is founded at 3-ft depth below ground surface as shown in...
help please
A square footing is founded at 3-ft depth below ground surface as shown in Fig1, The factored axial load acting on the square footing is 140 kips, Determine the size of the footing (B x B) if the Factor of Safety (F.S.) is 3.0. Ground surface ЗА B-? Silty Sand Fig.1 A 68-ft long pre-stressed concrete pile with square cross section (14 inch) is driven into the soil profile shown in Fig. 2. Compute the ultimate compressive load...
Question 2 [Marks: 15 +10=25] 200kPa of construction stress was applied on top of the soil...
Question 2 [Marks: 15 +10=25] 200kPa of construction stress was applied on top of the soil layers as shown in the figure below. (1) Calculate the settlement in the clay layer due to the construction (minimum of 2 sub layers is to be used). (W) If the soil went through 90% average degree of consolidation in 1 year, calculate the coefficient of consolidation (C.). 个 Sand Y = 20kN/m 4m Water table Clay (over consolidated) y = 16kN/m 100 4m...
HW#10 Given the following column loading and footing information, determine the size of a mat foundation shown below: I 15 Column Information: Column A: Live load = 40 kips, Dead load = 50 kips Column B: Live load = 80 kips, Dead load = 100 kips. Distance between two columns: 15 ft. W soil = 120 psf 24" I CA C. Footing information: Distance from column A to edge of footing: 1 ft. Allowable soil bearing capacity = 3000 psf...
Homework #10 A soil exploration result of a site is shown in the following figure. A building is to be constructed at that site. First, it has been proposed to raise the elevation of the ground by filling the site with 10 ft thick compacted soil at an area of 25 ft x 25 ft. The unit weight of the compacted moist soil was 120 pcf. The foundation of proposed building was constructed at the center of the compaction area...
Also, calculate the time it will take for 90%
consolidation to occur. Submit the answer in days.
Calculate the consolidation settlement at the middle of the clay layer for the soil profile and strip (continuous) footing shown below. Use the lavg equation in question 1 for the clay layer. Use 150 lb/ft3 for the unit weight of concrete. Submit the answer in inches. 2,000 lb/ft continuouS 1.5 feet footing 2.5 ft 5.0 ft 12.0 ft e = 0.65 = 120...
on 4 Please round to the nearest Tenth (i.e., 0.1). No Comma! Moist unit weight of soil, gamma 101 pcf The factor of safety, FS-3 A square footing carries the proposed total load of 680 kips (Q) red out of on Dr-B Φ = 30° с 0 v 0.35 E-450,000 Ib/t 1:0.88 x B psf (only numeric valuel) 1. Allowable bearing capacity, qa- 2. Required dimension, B in terms of bearing capacity- 3. Required dimension, B in terms of settlement...
3. The bearing capacity of shallow foundations (i.e. footings) depends on the soil shear strength (ie. ф and c). The ultimate bearing capacity (qultnei) of the soil is calculated using the following equation: Dr qult.net bearing capacity failure surface i. Frictional resistance along failure surface due to self-weight of soil below footing level footing level. Ny. No, and Ng are dimensionless bearing capacity factors that depend on the ii. Cohesive resistance along failure surface below footing level. iii. Frictional resistance...
help please
A square footing is founded at 3-ft depth below ground surface as shown in Fig1, The factored axial load acting on the square footing is 140 kips, Determine the size of the footing (B x B) if the Factor of Safety (F.S.) is 3.0. Ground surface ЗА B-? Silty Sand Fig.1 A 68-ft long pre-stressed concrete pile with square cross section (14 inch) is driven into the soil profile shown in Fig. 2. Compute the ultimate compressive load...
Question 2 [Marks: 15 +10=25] 200kPa of construction stress was applied on top of the soil layers as shown in the figure below. (1) Calculate the settlement in the clay layer due to the construction (minimum of 2 sub layers is to be used). (W) If the soil went through 90% average degree of consolidation in 1 year, calculate the coefficient of consolidation (C.). 个 Sand Y = 20kN/m 4m Water table Clay (over consolidated) y = 16kN/m 100 4m...
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