Two flexible square footings with B = 1 m, are embedded at 1 m depth. The first footing is embedded in a sandy soil layer and the second one is embedded in a clayey soil layer. Given that the depth of each soil layer is 5 m calculate the following. a. Calculate the elastic settlement at the center of the foundation in the sand layer If it is loaded at 400 kN. b. Calculate the elastic settlement at the center of the foundation in the clay layer If it is loaded at 600 kN/m². c. What is the differential settlement between the two footings due to the elastic settlement? d. From part c, what is the maximum Saturated clay OCR = 3 PI=30 C₁₁ = 200 kPa Ms=0.5 Saturated sand Ps=0.25 E₁ = 10 MPa Rigid layer allowable total settlement in the clay if the safe differential settlement is 25 mm and what could cause this settlement?
Two flexible square footings with B = 1 m, are embedded at 1 m depth. The first footing is embedded in a sandy soil layer and the second one is embedded in a clayey soil layer. Given that the depth of each soil layer is 5 m calculate the following. a. Calculate the elastic settlement at the center of the foundation in the sand layer If it is loaded at 400 kN. b. Calculate the elastic settlement at the center of the foundation in the clay layer If it is loaded at 600 kN/m². c. What is the differential settlement between the two footings due to the elastic settlement? d. From part c, what is the maximum Saturated clay OCR = 3 PI=30 C₁₁ = 200 kPa Ms=0.5 Saturated sand Ps=0.25 E₁ = 10 MPa Rigid layer allowable total settlement in the clay if the safe differential settlement is 25 mm and what could cause this settlement?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Two flexible square footings with B = 1 m, are embedded at 1 m depth. The first footing is embedded in a
sandy soil layer and the second one is
embedded in a clayey soil layer. Given that
the depth of each soil layer is 5 m calculate
the following.
a. Calculate the elastic settlement at the
center of the foundation in the sand
layer If it is loaded at 400 kN.
b. Calculate the elastic settlement at the
center of the foundation in the clay
layer If it is loaded at 600 kN/m².
c. What is the differential settlement
between the two footings due to the
elastic settlement?
d. From part c, what is the maximum
Saturated clay
OCR = 3
PI=30
C₁₁ = 200 kPa
Ms=0.5
Saturated sand
Ps=0.25
E₁ = 10 MPa
Rigid layer
allowable total settlement in the clay if the safe differential settlement is 25 mm and what could
cause this settlement?
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