1. What is the increase in stress at point that is 2.5 meters beneath a corner of a 1.5 meter x 2 meter footing carrying a total uniform load of 75 kPa? a. 133.26 kPa b. 229.23 kPa c. 253.14 kPa d. 211.25 kPa 2. What is the increase in stress at point that is 2.5 meters beneath the center of a 3 meter x 4 meter footing carrying a total uniform load of 75 kPa? a. 916.94 kPa b. 533.04 kPa c. 245.50 kPa d. 922.54 kPa 3. What uniform load will produce an increase in stress of 36 kPa at point that is 2.5 meters beneath the center of a 3 meter x 4 meter footing? a. 7.504 kPa b. 1.123 kPa c. 2.945 kPa d. 5.213 kPa
The increase in stress under a corner of a rectangular loading is given by Boussinesq formula which is as follows:
1. What is the increase in stress at point that is 2.5 meters beneath a corner of a 1.5 meter x 2 meter footing carrying a total uniform load of 75 kPa?
a. 133.26 kPa
b. 229.23 kPa
c. 253.14 kPa
d. 211.25 kPa
2. What is the increase in stress at point that is 2.5 meters beneath the center of a 3 meter x 4 meter footing carrying a total uniform load of 75 kPa?
a. 916.94 kPa
b. 533.04 kPa
c. 245.50 kPa
d. 922.54 kPa
3. What uniform load will produce an increase in stress of 36 kPa at point that is 2.5 meters beneath the center of a 3 meter x 4 meter footing?
a. 7.504 kPa
b. 1.123 kPa
c. 2.945 kPa
d. 5.213 kPa
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