Using Terzaghi's bearing capacity equation and a factor of safety F, = 2.5, the net safe bearing capacity (expressed in kN/m2) for local shear failure of the soil is

Structural Analysis
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Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A 4 m wide strip footing is founded at a depth of 1.5 m below the ground surface in a
c-o soil as shown in the figure. The water table is at a depth of 5.5 m below ground
surface. the soil properties are c' = 25 kN/m², o = 28.63°, Ysat = 19 kN/m³, Ybulk 17 kN/
3
m³ and yw = 9.81 kN/m³. the values of bearing capacity factors for different o are given
below.
Nc
Na
12.9 4.4
15°
20° 17.7 7.4 5.0
25° 25.1 12.7 9.7
30° 37.2 22.5 19.7
Ny
2.5
Transcribed Image Text:Question A 4 m wide strip footing is founded at a depth of 1.5 m below the ground surface in a c-o soil as shown in the figure. The water table is at a depth of 5.5 m below ground surface. the soil properties are c' = 25 kN/m², o = 28.63°, Ysat = 19 kN/m³, Ybulk 17 kN/ 3 m³ and yw = 9.81 kN/m³. the values of bearing capacity factors for different o are given below. Nc Na 12.9 4.4 15° 20° 17.7 7.4 5.0 25° 25.1 12.7 9.7 30° 37.2 22.5 19.7 Ny 2.5
Using Terzaghi's bearing capacity equation and a factor of safety F, = 2.5, the net safe
bearing capacity (expressed in kN/m²) for local shear failure of the soil is
5m
4m
1.5m
!
Transcribed Image Text:Using Terzaghi's bearing capacity equation and a factor of safety F, = 2.5, the net safe bearing capacity (expressed in kN/m²) for local shear failure of the soil is 5m 4m 1.5m !
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