It has been decided that a low-rise office lot will be supported by shallow foundations. You have been assigned to design the foundation for one of the columns (located at the middle of the site). With the size of 350 mm x 350 mm, the column carries a characteristic permanent action of 750 kN and a characteristic variable action of 450 kN. Given: Soil Bearing Capacity (S.B.C.) = 175 kN/m²; fck = 30 N/mm²; fx = 500 N/mm²; Cnom = 75 mm; trial thickness of footing, H = 500 mm. a) Determine the required soil base area to support the column and propose a suitable base dimension for the footing. Self-weight of the footing is assumed to be 10% of the total column characteristic actions.com b) Perform main reinforcement design and carry out necessary shear checks for the footing.
It has been decided that a low-rise office lot will be supported by shallow foundations. You have been assigned to design the foundation for one of the columns (located at the middle of the site). With the size of 350 mm x 350 mm, the column carries a characteristic permanent action of 750 kN and a characteristic variable action of 450 kN. Given: Soil Bearing Capacity (S.B.C.) = 175 kN/m²; fck = 30 N/mm²; fx = 500 N/mm²; Cnom = 75 mm; trial thickness of footing, H = 500 mm. a) Determine the required soil base area to support the column and propose a suitable base dimension for the footing. Self-weight of the footing is assumed to be 10% of the total column characteristic actions.com b) Perform main reinforcement design and carry out necessary shear checks for the footing.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:It has been decided that a low-rise office lot will be supported by shallow foundations. You
have been assigned to design the foundation for one of the columns (located at the middle of
the site). With the size of 350 mm x 350 mm, the column carries a characteristic permanent
action of 750 kN and a characteristic variable action of 450 kN.
Given: Soil Bearing Capacity (S.B.C.) = 175 kN/m²; fck = 30 N/mm²; fyx = 500 N/mm²;
Cnom = 75 mm; trial thickness of footing, H = 500 mm.
a) Determine the required soil base area to support the column and propose a suitable base
dimension for the footing. Self-weight of the footing is assumed to be 10% of the total
column characteristic actions.
b) Perform main reinforcement design and carry out necessary shear checks for the footing.
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