H₁ H2 BxL Layer 1 V1 Φι * V2 Layer 2 Φι 3. A square foundation with a width B = 3 ft is constructed on a layered system consisting of a strong sand over a weaker sand. The D;= 4ft (shown as H₁), H₂ = 2 ft, and the material properties for the clay layers are shown below. Considering a factor of safety of 3, determine the gross allowable load (Qall) the foundation can carry. Sand Layer 1 V₁ = 120 lb/ft³ +₁' = 40° Sand Layer 2 V₂ = 110 lb/ft³ +2=30° c₁ = 0 psf c₂' = 0 psf
H₁ H2 BxL Layer 1 V1 Φι * V2 Layer 2 Φι 3. A square foundation with a width B = 3 ft is constructed on a layered system consisting of a strong sand over a weaker sand. The D;= 4ft (shown as H₁), H₂ = 2 ft, and the material properties for the clay layers are shown below. Considering a factor of safety of 3, determine the gross allowable load (Qall) the foundation can carry. Sand Layer 1 V₁ = 120 lb/ft³ +₁' = 40° Sand Layer 2 V₂ = 110 lb/ft³ +2=30° c₁ = 0 psf c₂' = 0 psf
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:H₁
H2
BxL
Layer 1
V1
Φι
*
V2
Layer 2
Φι
Transcribed Image Text:3. A square foundation with a width B = 3 ft is constructed on a layered system consisting of a strong
sand over a weaker sand. The D;= 4ft (shown as H₁), H₂ = 2 ft, and the material properties for the clay
layers are shown below. Considering a factor of safety of 3, determine the gross allowable load (Qall)
the foundation can carry.
Sand Layer 1
V₁ = 120 lb/ft³
+₁' = 40°
Sand Layer 2
V₂ = 110 lb/ft³
+2=30°
c₁ = 0 psf
c₂' = 0 psf
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