SITUATION. In accordance with the Boussinesq Theory, the vertical stress at a point below the center of a flexible circular area in a semi-infinite, homogeneous, isotropic soil mass due to a uniform load is given by the expression. P= (1-1/N) Where N= [1+(r/z)2]1.5 q= uniform load per unit area at the base of the footing r= radius of point of the circular area z= depth of point below the center of the circular loaded area Evaluate the bearing pressure, in kPa, exerted by the footing onto the supporting soil by a 4-m diamter circular footing that is transmitting a load of 1500 kN. 115 119 112
SITUATION. In accordance with the Boussinesq Theory, the vertical stress at a point below the center of a flexible circular area in a semi-infinite, homogeneous, isotropic soil mass due to a uniform load is given by the expression. P= (1-1/N) Where N= [1+(r/z)2]1.5 q= uniform load per unit area at the base of the footing r= radius of point of the circular area z= depth of point below the center of the circular loaded area Evaluate the bearing pressure, in kPa, exerted by the footing onto the supporting soil by a 4-m diamter circular footing that is transmitting a load of 1500 kN. 115 119 112
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![SITUATION. In accordance with the Boussinesq Theory, the vertical stress at a point below the
center of a flexible circular area in a semi-infinite, homogeneous, isotropic soil mass due to a
uniform load is given by the expression.
P= (1-1/N)
Where N= [1+(r/z)2]1.5
q= uniform load per unit area at the base of the footing
r= radius of point of the circular area
2= depth of point below the center of the circular loaded area
Evaluate the bearing pressure, in kPa, exerted by the footing onto the supporting soil by a 4-m
diamter circular footing that is transmitting a load of 1500 kN.
115
119
112
110
SITUATION. In accordance with the Boussinesq Theory, the vertical stress at a point below the
center of a flexible circular area in a semi-infinite, homogeneous, isotropic soil mass due to a
uniform load is given by the expression.
P= (1-1/N)
Where N= [1+(r/z)2]1.5
q= uniform load per unit area at the báse of the footing
r= radius of point of the circular area
z= depth of point below the center of the circular loaded area
Evaluate the vertical stress, in kPa, at a depth of 6 m below the center of the footing.
19.6
17.5
25.1
22.1](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe5b4cf25-5a1a-4ad6-8eb9-1c7920a2cd73%2Fd77d9a94-01b9-4740-893a-73c209121222%2Fgq5ad14_processed.jpeg&w=3840&q=75)
Transcribed Image Text:SITUATION. In accordance with the Boussinesq Theory, the vertical stress at a point below the
center of a flexible circular area in a semi-infinite, homogeneous, isotropic soil mass due to a
uniform load is given by the expression.
P= (1-1/N)
Where N= [1+(r/z)2]1.5
q= uniform load per unit area at the base of the footing
r= radius of point of the circular area
2= depth of point below the center of the circular loaded area
Evaluate the bearing pressure, in kPa, exerted by the footing onto the supporting soil by a 4-m
diamter circular footing that is transmitting a load of 1500 kN.
115
119
112
110
SITUATION. In accordance with the Boussinesq Theory, the vertical stress at a point below the
center of a flexible circular area in a semi-infinite, homogeneous, isotropic soil mass due to a
uniform load is given by the expression.
P= (1-1/N)
Where N= [1+(r/z)2]1.5
q= uniform load per unit area at the báse of the footing
r= radius of point of the circular area
z= depth of point below the center of the circular loaded area
Evaluate the vertical stress, in kPa, at a depth of 6 m below the center of the footing.
19.6
17.5
25.1
22.1
![SITUATION. In accordance with the Boussinesq Theory, the vertical stress at a point below the
center of a flexible circular area in a semi-infinite, homogeneous, isotropic soil mass due to a
uniform load is given by the expression.
P= (1-1/N)
Where N= [1+(r/z)2]1.5
q= uniform load per unit area at the base of the footing
r= radius of point of the circular area
z= depth of point below the center of the circular loaded area
How deep, in meters, below the footing would the pressure be reduced to 1/10 of the pressure
at the base of the footing.
9.01
7.42
6.95
6.55](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe5b4cf25-5a1a-4ad6-8eb9-1c7920a2cd73%2Fd77d9a94-01b9-4740-893a-73c209121222%2Fz6tvhjw_processed.jpeg&w=3840&q=75)
Transcribed Image Text:SITUATION. In accordance with the Boussinesq Theory, the vertical stress at a point below the
center of a flexible circular area in a semi-infinite, homogeneous, isotropic soil mass due to a
uniform load is given by the expression.
P= (1-1/N)
Where N= [1+(r/z)2]1.5
q= uniform load per unit area at the base of the footing
r= radius of point of the circular area
z= depth of point below the center of the circular loaded area
How deep, in meters, below the footing would the pressure be reduced to 1/10 of the pressure
at the base of the footing.
9.01
7.42
6.95
6.55
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