Problem 1: A square footing is to be loaded with the following loads: Axial, P D=950 kN L=1050 kN E=350 kN Moment D=120 kN- L=520 kN- E=78 kN-m about X, m m Mx Use f'c 28 MPa and f-420 MPa. db=28mm. Net allowable bearing pressure is 450 kPa. Use 300mm square column. Use load combination of D+L+E/1.4 for footing dimension. Calculate the following: a) Dimension of the footing, m b) Required thickness of the footing, mm c) Maximum Design Moment, kN-m d) Critical Beam Shear Stress, MPa
Problem 1: A square footing is to be loaded with the following loads: Axial, P D=950 kN L=1050 kN E=350 kN Moment D=120 kN- L=520 kN- E=78 kN-m about X, m m Mx Use f'c 28 MPa and f-420 MPa. db=28mm. Net allowable bearing pressure is 450 kPa. Use 300mm square column. Use load combination of D+L+E/1.4 for footing dimension. Calculate the following: a) Dimension of the footing, m b) Required thickness of the footing, mm c) Maximum Design Moment, kN-m d) Critical Beam Shear Stress, MPa
Principles of Foundation Engineering (MindTap Course List)
9th Edition
ISBN:9781337705028
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter11: Load And Resistance Factor Design (lrfd)
Section: Chapter Questions
Problem 11.1P: A continuous foundation is required in a soil where c=10kN/m2, =26, and =19.0kN/m3. The depth of the...
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Question
1. All dimensions, thicknesses, and spacings must be in 10 mm multiples
2. Use exact values throughout your calculations. Only the final answer is to be rounded of to two decimal places.
Transcribed Image Text:Problem 1: A square footing is to be loaded with the
following loads:
Axial, P
D=950 kN
L=1050 kN
E=350 kN
Moment
D=120 kN-
L=520 kN-
E=78 kN-m
about X,
m
m
Mx
Use f'c 28 MPa and f-420 MPa. db=28mm. Net
allowable bearing pressure is 450 kPa. Use 300mm square
column. Use load combination of D+L+E/1.4 for footing
dimension.
Calculate the following:
a)
Dimension of the footing, m
b) Required thickness of the footing, mm
c)
Maximum Design Moment, kN-m
d)
Critical Beam Shear Stress, MPa
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