For the isolated rectangular footing (2 m x 2.3 m) shown below. The footing is subjected to a vertical load, Q = 425 kN and a moment, M = 85 KN.m. Using the general B/C equation, for general shear failure and for F.S = 3. Required : a. Determine the bearing allowable, B/C (qa) b. Calculate the maximum contact pressure qmax c. What should be the value of eccentricity (e) if the F.S = 4

Principles of Foundation Engineering (MindTap Course List)
9th Edition
ISBN:9781337705028
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter10: Mat Foundations
Section: Chapter Questions
Problem 10.2P
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For the isolated rectangular footing (2 m x 2.3 m) shown below. The footing is subjected to a vertical load,
Q = 425 kN and a moment, M = 85 KN.m. Using the general B/C equation, for general shear failure and for
F.S = 3.
Required :
a. Determine the bearing allowable, B/C (qan)
b. Calculate the maximum contact pressure qmax
c. What should be the value of eccentricity (e) if the F.S = 4
425 KN
85 kN.m
- 20
C= 35 kN/m2
Ya = 16 kN/m
1.5 m
-2.3m
GW.T
- 25
C = 0
Y. = 19kN/m
Transcribed Image Text:For the isolated rectangular footing (2 m x 2.3 m) shown below. The footing is subjected to a vertical load, Q = 425 kN and a moment, M = 85 KN.m. Using the general B/C equation, for general shear failure and for F.S = 3. Required : a. Determine the bearing allowable, B/C (qan) b. Calculate the maximum contact pressure qmax c. What should be the value of eccentricity (e) if the F.S = 4 425 KN 85 kN.m - 20 C= 35 kN/m2 Ya = 16 kN/m 1.5 m -2.3m GW.T - 25 C = 0 Y. = 19kN/m
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