The allowable settlement for the shown square footing is 2.5 cm. the footing is placed on clay soil with the following properties. Use 4 layers to calculate the consolidation settlement and see if it satisfies the criterion. (footing weight is negligible) Hint: use the following eqation for Aaz (Boussinesq equations) For square foundations: 1 0.5 4 Δσ. = 1- P1=1000 KN 2.0 1 + 1.5 1 B 1.767 (q on) YSat = 20 KN/m³ Y = 18 KN/m³ Cc = 0.1 eo = 0.6
The allowable settlement for the shown square footing is 2.5 cm. the footing is placed on clay soil with the following properties. Use 4 layers to calculate the consolidation settlement and see if it satisfies the criterion. (footing weight is negligible) Hint: use the following eqation for Aaz (Boussinesq equations) For square foundations: 1 0.5 4 Δσ. = 1- P1=1000 KN 2.0 1 + 1.5 1 B 1.767 (q on) YSat = 20 KN/m³ Y = 18 KN/m³ Cc = 0.1 eo = 0.6
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:The allowable settlement for the shown square footing is 2.5 cm. the footing is placed on clay
soil with the following properties. Use 4 layers to calculate the consolidation settlement and see
if it satisfies the criterion. (footing weight is negligible)
Hint: use the following eqation for Aaz (Boussinesq equations)
For square foundations:
1
0.5
4
Δσ. =
1-
P1=1000 KN
2.0
1 +
1.5
1
B
1.767
(q
on)
YSat = 20 KN/m³
Y = 18 KN/m³
Cc = 0.1
eo = 0.6
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Step 1: Introducing given data
VIEWStep 2: Dividing the layer
VIEWStep 3: Calculate effective stress
VIEWStep 4: Calculate in situ vertical stress increase
VIEWStep 5: Calculate average vertical increase in stress
VIEWStep 6: Calculate settlement of each layer
VIEWStep 7: Calculate Total settlement
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