A footing needs to support a 450mm square column. The column carries a service dead load of 450kN and a service live load of 280 kN. Use the following date; f'c = 28MPA, fy = 414 MPa; unit weight of soil = 17.5 kN/m^3, unit weight of concrete = 23.5 kN/m^3, allowable soil pressure = 250 kPa, depth of footing = 2.0 m and main bar diameter is 20 mm. Assume 800 mm thickness of footing and concrete cover of 75 mm. 1. Design a square footing. Use proper rounding off based on the discussion. a) length of the side of square footing in meters. Blank 1 b) computed effective depth in mm. Blank 2 c) height of concrete in mm. Blank 3 d) number of reinforcement. Blank 4 2. Compute the final effective depth if the width is limited to 1.50m. Use proper rounding off based on the discussion. a) d short in mm Blank 5 b) d long in mm Blank 6 Blank 1 Add your answer Blank 2 Add your answer Blank 3 Add your answer Blank 4 Add your answer Blank 5 Add your answer Blank 6 Add your answer
A footing needs to support a 450mm square column. The column carries a service dead load of 450kN and a service live load of 280 kN. Use the following date; f'c = 28MPA, fy = 414 MPa; unit weight of soil = 17.5 kN/m^3, unit weight of concrete = 23.5 kN/m^3, allowable soil pressure = 250 kPa, depth of footing = 2.0 m and main bar diameter is 20 mm. Assume 800 mm thickness of footing and concrete cover of 75 mm. 1. Design a square footing. Use proper rounding off based on the discussion. a) length of the side of square footing in meters. Blank 1 b) computed effective depth in mm. Blank 2 c) height of concrete in mm. Blank 3 d) number of reinforcement. Blank 4 2. Compute the final effective depth if the width is limited to 1.50m. Use proper rounding off based on the discussion. a) d short in mm Blank 5 b) d long in mm Blank 6 Blank 1 Add your answer Blank 2 Add your answer Blank 3 Add your answer Blank 4 Add your answer Blank 5 Add your answer Blank 6 Add your answer
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![A footing needs to support a 450mm square column. The column carries a service dead load of 450kN and a service live load of 280
kN. Use the following date; f'c = 28MPA, fy = 414 MPa; unit weight of soil = 17.5 kN/m^3, unit weight of concrete = 23.5 kN/m^3,
allowable soil pressure = 250 kPa, depth of footing = 2.0 m and main bar diameter is 20 mm. Assume 800 mm thickness of footing
and concrete cover of 75 mm.
1. Design a square footing. Use proper rounding off based on the discussion.
a) length of the side of square footing in meters. Blank 1
b) computed effective depth in mm. Blank 2
c) height of concrete in mm. Blank 3
d) number of reinforcement. Blank 4
2. Compute the final effective depth if the width is limited to 1.50m. Use proper rounding off based on the discussion.
a) d short in mm Blank 5
b) d long in mm Blank 6
Blank 1 Add your answer
Blank 2 Add your answer
Blank 3 Add your answer
Blank 4 Add your answer
Blank 5
Add your answer
Blank 6 Add your answer](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F15ec29cb-2240-40fb-ac79-588371515ef1%2F2f8e258e-61d3-45e1-b4f4-9c577c569a3b%2Fwtz62k9_processed.png&w=3840&q=75)
Transcribed Image Text:A footing needs to support a 450mm square column. The column carries a service dead load of 450kN and a service live load of 280
kN. Use the following date; f'c = 28MPA, fy = 414 MPa; unit weight of soil = 17.5 kN/m^3, unit weight of concrete = 23.5 kN/m^3,
allowable soil pressure = 250 kPa, depth of footing = 2.0 m and main bar diameter is 20 mm. Assume 800 mm thickness of footing
and concrete cover of 75 mm.
1. Design a square footing. Use proper rounding off based on the discussion.
a) length of the side of square footing in meters. Blank 1
b) computed effective depth in mm. Blank 2
c) height of concrete in mm. Blank 3
d) number of reinforcement. Blank 4
2. Compute the final effective depth if the width is limited to 1.50m. Use proper rounding off based on the discussion.
a) d short in mm Blank 5
b) d long in mm Blank 6
Blank 1 Add your answer
Blank 2 Add your answer
Blank 3 Add your answer
Blank 4 Add your answer
Blank 5
Add your answer
Blank 6 Add your answer
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