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Q3. A square column foundation, the following are given: a. The column load is 600 kN,...
Problem 5-Bearing Capacity of Shallow Foundation (20 pts) For a square footing foundation, the following are...
Problem 5-Bearing Capacity of Shallow Foundation (20 pts) For a square footing foundation, the following are given: B 3.0 m (width), D 1.2 m (depth). Y=20 kN/m3, = 32°, c' = 50 kPa, Use Terzaghi Equation and a factor of safety of 2.5 to determine the allowable bearing capacity and the maximum column load to cause bearing capacity failure. Assume that general shear failure occurs in soil. When Oar C S
A square column foundation has to carry a gross allowable load of 3500 kN (FS-3). Given:...
A square column foundation has to carry a gross allowable load of 3500 kN (FS-3). Given: D 1.5 m, γ = 17 kN /ms.Ф-34°, and d :0. Use Terzaghi's equation to determine the size of the foundation (B). Assume general shear failure. For = 34°, M-365 and My- 38.04 (Enter your answer to three significant figures.) Im
A square column foundation has to carry a gross allowable load of 1805 kN (FS-3) Given:...
A square column foundation has to carry a gross allowable load of 1805 kN (FS-3) Given: Df = 1.5 m, ?-15 9 kN/ms,p -34 , and c. 0. Use Terzaghi's equation to determine the size of the foundation (B). Assume general shear failure. For = 34 , N: 365 and 3804 (Enter your answer to three significant figures.)
Problem 3: You are reviewing the footing design for a hospital founded on clay soils. The...
Problem 3: You are reviewing the footing design for a hospital founded on clay soils. The code requires factor of safety to be minimum 3. The controlling column load is 130 kips. The proposed footing is square with a width of 5 ft. It is founded at a depth of 3 ft in a medium to stiff clay with undrained shear strength of 1100 lb/ft2 and y-127.4 lb/ft3. The groundwater table is at a depth of 2 ft. Is this...
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...
A 100,000 lb load has to be carried by a concrete square foundation placed 3 ft...
A 100,000 lb load has to be carried by a concrete square foundation placed 3 ft below the surface of a saturated sandy soil having the following properties: γt = 120 pcf E = 2x105 psf φ' = 30deg ν = 0.25 c' = 0 What footing width will be required for a factor of safety with respect to the ultimate bearing capacity of 3.0, and for a maximum settlement of 1". The water table is at the ground surface.
For a rectangular foundation, the following are given: B - 3.0 m (width), L - 4.5...
For a rectangular foundation, the following are given: B - 3.0 m (width), L - 4.5 m (length). D 1.2 m (depth), Y 20 kN/m'. '- 32°, c'-50 kPa, Use Terzaghi and Vesic Equations and a factor of safety of 2.5 to determine the allowable bearing capacity and the maximum column load to cause bearing capacity failure. Assume that general shear failure occurs in soil
A 3 m square footing carries a vertical downward load of 900 kN. The embedment depth...
A 3 m square footing carries a vertical downward load of 900 kN. The embedment depth is 1 m. The soil beneath this footing has the following properties: y = 18 kN/m”, Ysat = 20 kN/mº, c' = 5 kPa, and o' = 36º. The groundwater table is at a depth of 2 m below the ground surface. Compute factor of safety against bearing capacity failure.
15.3. psi. Design a single-column footing (including dowels) to support an 11 in. square column reinforced...
15.3. psi. Design a single-column footing (including dowels) to support an 11 in. square column reinforced with eight No. 9 (No. 29) bars centered 2.5 in. from the column faces (equal number of bars on each face). The unfactored axial dead load = 135 kips, and the unfactored axial live load=125 kips. For the column, f=4000 psi and f=60,000 psi. The base of the footing will be 3 ft below grade. The allowable soil bearing pressure is 3000 lb/ft2. Material...
Problem 1: (20 points) Given A square footing (5 ft by 5 ft) is subjected to...
Problem 1: (20 points) Given A square footing (5 ft by 5 ft) is subjected to an inclined load as shown in g. Required The factor of safety against bearing capacity failure. 30 a 40 kips 5 ft 5 ft 1.0 a 0.8 0.6 0.4 0.2 Cohesive Soil Cohesive Soil 0.8 D/B 1 Granular Soil 0.6 Granular Soil 0.4 De-o- 0.2 020 40 60 80 90 2 40 60 80 90 Inclination a of Load to Vertical inclination α. Of...
Problem 5-Bearing Capacity of Shallow Foundation (20 pts) For a square footing foundation, the following are given: B 3.0 m (width), D 1.2 m (depth). Y=20 kN/m3, = 32°, c' = 50 kPa, Use Terzaghi Equation and a factor of safety of 2.5 to determine the allowable bearing capacity and the maximum column load to cause bearing capacity failure. Assume that general shear failure occurs in soil. When Oar C S
A square column foundation has to carry a gross allowable load of 3500 kN (FS-3). Given: D 1.5 m, γ = 17 kN /ms.Ф-34°, and d :0. Use Terzaghi's equation to determine the size of the foundation (B). Assume general shear failure. For = 34°, M-365 and My- 38.04 (Enter your answer to three significant figures.) Im
A square column foundation has to carry a gross allowable load of 1805 kN (FS-3) Given: Df = 1.5 m, ?-15 9 kN/ms,p -34 , and c. 0. Use Terzaghi's equation to determine the size of the foundation (B). Assume general shear failure. For = 34 , N: 365 and 3804 (Enter your answer to three significant figures.)
Problem 3: You are reviewing the footing design for a hospital founded on clay soils. The code requires factor of safety to be minimum 3. The controlling column load is 130 kips. The proposed footing is square with a width of 5 ft. It is founded at a depth of 3 ft in a medium to stiff clay with undrained shear strength of 1100 lb/ft2 and y-127.4 lb/ft3. The groundwater table is at a depth of 2 ft. Is this...
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...
For a rectangular foundation, the following are given: B - 3.0 m (width), L - 4.5 m (length). D 1.2 m (depth), Y 20 kN/m'. '- 32°, c'-50 kPa, Use Terzaghi and Vesic Equations and a factor of safety of 2.5 to determine the allowable bearing capacity and the maximum column load to cause bearing capacity failure. Assume that general shear failure occurs in soil
A 3 m square footing carries a vertical downward load of 900 kN. The embedment depth is 1 m. The soil beneath this footing has the following properties: y = 18 kN/m”, Ysat = 20 kN/mº, c' = 5 kPa, and o' = 36º. The groundwater table is at a depth of 2 m below the ground surface. Compute factor of safety against bearing capacity failure.
15.3. psi. Design a single-column footing (including dowels) to support an 11 in. square column reinforced with eight No. 9 (No. 29) bars centered 2.5 in. from the column faces (equal number of bars on each face). The unfactored axial dead load = 135 kips, and the unfactored axial live load=125 kips. For the column, f=4000 psi and f=60,000 psi. The base of the footing will be 3 ft below grade. The allowable soil bearing pressure is 3000 lb/ft2. Material...
Problem 1: (20 points) Given A square footing (5 ft by 5 ft) is subjected to an inclined load as shown in g. Required The factor of safety against bearing capacity failure. 30 a 40 kips 5 ft 5 ft 1.0 a 0.8 0.6 0.4 0.2 Cohesive Soil Cohesive Soil 0.8 D/B 1 Granular Soil 0.6 Granular Soil 0.4 De-o- 0.2 020 40 60 80 90 2 40 60 80 90 Inclination a of Load to Vertical inclination α. Of...
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