MACHINE PROBLEM 2: Design a rectangular spread footing to support a 405mm square center column. The column carries a service dead load and live load as given. The allowable soil pressure in the base of the footing is 275 KPa. The column is reinforced with 6-32mm diameter bars. The weight of soil is 20.4 KN/m³, concrete is 23.5 KN/m³. Use 75mm clear cover and 25 mm rebars in both directions, with fé = 21 MPa, fy = 345 MPa. The smaller dimension of the footing is % of the bigger dimension. DL = 715 kN & LL = 1028 KN 12mm ties @ 405mm O.C. DL ܡܝ 1.25 m
MACHINE PROBLEM 2: Design a rectangular spread footing to support a 405mm square center column. The column carries a service dead load and live load as given. The allowable soil pressure in the base of the footing is 275 KPa. The column is reinforced with 6-32mm diameter bars. The weight of soil is 20.4 KN/m³, concrete is 23.5 KN/m³. Use 75mm clear cover and 25 mm rebars in both directions, with fé = 21 MPa, fy = 345 MPa. The smaller dimension of the footing is % of the bigger dimension. DL = 715 kN & LL = 1028 KN 12mm ties @ 405mm O.C. DL ܡܝ 1.25 m
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![MACHINE PROBLEM 2:
Design a rectangular spread footing to support a 405mm square center column.
The column carries a service dead load and live load as given. The allowable soil
pressure in the base of the footing is 275 KPa. The column is reinforced with
6-32mm diameter bars. The weight of soil is 20.4 KN/m³, concrete is 23.5 KN/m³.
Use 75mm clear cover and 25 mm rebars in both directions, with fó= 21 MPa, fy
= 345 MPa. The smaller dimension of the footing is % of the bigger dimension.
DL = 715 kN & LL = 1028 KN
12mm ties @ 405mm O.C.
DL
ܡܝ
1.25 m](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4d4fa45c-7ed9-4e8a-bbe1-0ac7c7b60b89%2Ff69bbaa7-277b-4b7a-aacf-be52b6892072%2Fmsphhci_processed.jpeg&w=3840&q=75)
Transcribed Image Text:MACHINE PROBLEM 2:
Design a rectangular spread footing to support a 405mm square center column.
The column carries a service dead load and live load as given. The allowable soil
pressure in the base of the footing is 275 KPa. The column is reinforced with
6-32mm diameter bars. The weight of soil is 20.4 KN/m³, concrete is 23.5 KN/m³.
Use 75mm clear cover and 25 mm rebars in both directions, with fó= 21 MPa, fy
= 345 MPa. The smaller dimension of the footing is % of the bigger dimension.
DL = 715 kN & LL = 1028 KN
12mm ties @ 405mm O.C.
DL
ܡܝ
1.25 m
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