500 mm thick square footing is to be placed at a depth of 0.5 m in...
- 500 mm thick square footing is to be placed at a depth of 0.5 m in a clayey sand where c¢ = 10 kPa, f¢ = 34°, g = 19.0 kN/m3. The column load to be applied on the footing is 2000 kN. What should be the width of the footing?
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500 mm thick square footing is to be placed at a depth of 0.5 m
in...
For a clayey sand c’ = 10kPa, ?’ = 32 and ? = 18kN/m 3 ,...
For a clayey sand c’ = 10kPa, ?’ = 32 and ? = 18kN/m 3 , a 2m x 2m footing is placed at depth of 0.5 m. The unit weight of concrete is 23 kN/m3 . What is the maximum axial column load allowed on the footing with factor of safety of 3? (b) If the column load is 200mm eccentric to one of the neutral axis, calculate the maximum compressive stress applied to the soil. What will be...
A footing, 2 m. x 3 m. in plan and 0.50 m. thick, is designed to...
A footing, 2 m. x 3 m. in plan and 0.50 m. thick, is designed to support a 0.50 m. square column. Due to architectural requirement, the column is so located that its external face is flush with the shorter edge of the footing. The column, however, is located along the minor principal axis of the footing. The column load, including the weight of the column itself, is 80 kN. Assume the concrete to weigh 24 kN/m3 . 38. Evaluate...
A footing, 2 m. x 3 m. in plan and 0.50 m. thick, is designed to...
A footing, 2 m. x 3 m. in plan and 0.50 m. thick, is designed to support a 0.50 m. square column. Due to architectural requirement, the column is so located that its external face is flush with the shorter edge of the footing. The column, however, is located along the minor principal axis of the footing. The column load, including the weight of the column itself, is 80 kN. Assume the concrete to weigh 24 kN/m3. 1.) Evaluate the...
A 400 mm x 400 mm column supports a DL = 500 KN, LL = 1000...
A 400 mm x 400 mm column supports a DL = 500 KN, LL = 1000 KN, MDL = 600 KN-m, and MLL = 600 KN-m. It is required that the column must be placed at the center of the square footing. Assume that the weight of the footing and the soil above is to be 15% of the total service load. The soil bearing capacity is 209 KPa, fc’ = 27.6 MPa, and fy = 414 MPa. Design completely...
After the footing in Problem 7.9 was built, the groundwater table rose to a depth of...
After the footing in Problem 7.9 was built, the groundwater table rose to a depth of 0.5 m below the ground surface. Compute the new factor of safety against a bearing capacity failure. Com- pare it with the original design value of 2 and explain why it is different. (use Terzaghi’s formula to solve) 7.9) A bearing wall carries a total unfactored load 220 kN/m. It is to be supported on a 400 mm deep continuous footing. The underlying soils...
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.
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 plain concrete footing is to be designed for a 400 mm reinforced concrete wall that...
A plain concrete footing is to be designed for a 400 mm reinforced concrete wall that supports a dead load of 187 KN/m including the wall weight and a live load of 79 KN/m. The base of the footing is to be 1.4 m below the final grade. The allowable bearing capacity is 189 Kpa, weight of soil is 15.82 KN/m3, fc’ is 28 Mpa, and concrete to be 23.5 KN/m3. Determine the: width of the plain concrete footing (c)...
Q4. A square pad footing supporting a column at the centre is shown on DWG-07 on...
Q4. A square pad footing supporting a column at the centre is shown on DWG-07 on page 7. The design parameters of the footing are: = = Side length of the footing, L Overall depth of the footing, h Column width, c Cover to reinforcement Preferred bar size (both directions) Dead load from column, GK Imposed load from column, Qk 3650 mm 800 mm 600 mm 75 mm 20 mm 1300 kN 900 KN Il (a) Design the bending reinforcement...
A 500 mm diameter and 20 m long concrete pile is driven into the ground. The...
A 500 mm diameter and 20 m long concrete pile is driven into the ground. The soil profile at the site consists of 5.0 m of sand ( 35 and y- 19.0 kN/m) at the top, underlain by a thick layer of clay (c,- 50 kPa and y- 19.0 kN/m). Determine the maximum load that can be allowed on the pile with a safety factor of 2.5 Assuming an average Young's modulus of 35 MPa and Poisson's ratio of 0.2...
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.
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
Q4. A square pad footing supporting a column at the centre is shown on DWG-07 on page 7. The design parameters of the footing are: = = Side length of the footing, L Overall depth of the footing, h Column width, c Cover to reinforcement Preferred bar size (both directions) Dead load from column, GK Imposed load from column, Qk 3650 mm 800 mm 600 mm 75 mm 20 mm 1300 kN 900 KN Il (a) Design the bending reinforcement...
A 500 mm diameter and 20 m long concrete pile is driven into the ground. The soil profile at the site consists of 5.0 m of sand ( 35 and y- 19.0 kN/m) at the top, underlain by a thick layer of clay (c,- 50 kPa and y- 19.0 kN/m). Determine the maximum load that can be allowed on the pile with a safety factor of 2.5 Assuming an average Young's modulus of 35 MPa and Poisson's ratio of 0.2...
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