A 300 mm thick, 2.0 m wide footing slab supports a 200 mm thick concrete wall carrying uniform service dead load of 215 kN/m and service live load of 145 kN/m. Using f’c = 21 MPa and fy = 420 MPa. Calculate: a. The maximum bending moment Mu in kN/m on 1-m strip of the footing slab (correct ans: 99) b. The required amount of flexure bars 16 mm in diameter. As = mm^2 (correct ans: 1302) c. The required spacing of 16-mm diameter flexure bars if the required amount of tensile area is 1000 mm^2 (correct ans: 200)
A 300 mm thick, 2.0 m wide footing slab supports a 200 mm thick concrete wall carrying uniform service dead load of 215 kN/m and service live load of 145 kN/m. Using f’c = 21 MPa and fy = 420 MPa. Calculate: a. The maximum bending moment Mu in kN/m on 1-m strip of the footing slab (correct ans: 99) b. The required amount of flexure bars 16 mm in diameter. As = mm^2 (correct ans: 1302) c. The required spacing of 16-mm diameter flexure bars if the required amount of tensile area is 1000 mm^2 (correct ans: 200)
Principles of Foundation Engineering (MindTap Course List)
8th Edition
ISBN:9781305081550
Author:Braja M. Das
Publisher:Braja M. Das
Chapter15: Braced Cuts
Section: Chapter Questions
Problem 15.11P
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A 300 mm thick, 2.0 m wide footing slab supports a 200 mm thick concrete wall carrying uniform service dead load of 215 kN/m and service live load of 145 kN/m. Using f’c = 21 MPa and fy = 420 MPa. Calculate:
a. The maximum bending moment Mu in kN/m on 1-m strip of the footing slab (correct ans: 99)
b. The required amount of flexure bars 16 mm in diameter. As = mm^2 (correct ans: 1302)
c. The required spacing of 16-mm diameter flexure bars if the required amount of tensile area is 1000 mm^2 (correct ans: 200)
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