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A 350mm concrete wall supports a dead load of 200kN/m and a live load of 145kN/m. The allowable bearing pressure is 230kPa and the level of the bottom of the footing is 1.2m below the ground surface. Assume concrete weighs 24kN/m3 and that of soil is 16kN/m3. For concrete, use f’c = 21MPa and for steel, use fy = 415MPa. The thickness of the footing is 375mm with a steel cover of 100mm. Determine the width of the footing. a. Solve for the nominal shear stress acting on the footing. b. Determine the spacing of 20mm main reinforcements. c. Determine the number of 10mm temperature reinforcements.

A 350mm concrete wall supports a dead load of 200kN/m and a live load of 145kN/m. The allowable bearing pressure is 230kPa and the level of the bottom of the footing is 1.2m below the ground surface. Assume concrete weighs 24kN/m3 and that of soil is 16kN/m3. For concrete, use f’c = 21MPa and for steel, use fy = 415MPa. The thickness of the footing is 375mm with a steel cover of 100mm. Determine the width of the footing. a. Solve for the nominal shear stress acting on the footing. b. Determine the spacing of 20mm main reinforcements. c. Determine the number of 10mm temperature reinforcements.

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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5. A 350mm concrete wall supports a dead load of 200kN/m and a live load of 145kN/m. The allowable bearing pressure is 230kPa and the level of the bottom of the footing is 1.2m below the ground surface. Assume concrete weighs 24kN/m3 and that of soil is 16kN/m3. For concrete, use f’c = 21MPa and for steel, use fy = 415MPa. The thickness of the footing is 375mm with a steel cover of 100mm. Determine the width of the footing. a. Solve for the nominal shear stress acting on the footing. b. Determine the spacing of 20mm main reinforcements. c. Determine the number of 10mm temperature reinforcements.

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