Example 12.7 · α method, layered clay
Example 12.7 of Das & Sivakugan (2017), Principles of Foundation Engineering, solved in Rischio: shaft capacity, beside the source's answers.
- Source
- Das, B. M., & Sivakugan, N. (2017). Principles of Foundation Engineering, SI edition, 9th ed. Cengage Learning. Example 12.7.
- ID
das-pfe9-12-7
Open in the studioA copy, in your account
Source vs Rischio
| Source | Rischio | Difference | |
|---|---|---|---|
| Shaft capacity | 1 050 kN | 1 050 kN | 0.0 % |
Every check
What the engine checks in this model, against Rischio's default limits.
| Single pilePasses | Passes |
The model
The example's data, element by element, as the model holds it.
Driven pilePile · Circular · Driven
- Diameter or side
- 0.457 m
- Length
- 20 m
GroupGroup · single pile
- Piles along x
- 1
- Piles along y
- 1
- Spacing
- 1.5 m
LoadLoad · on the pile
- Vertical load
- 300 kN
Clay 1Stratum · Undrained
- Thickness
- 3 m
- Unit weight
- 16 kN/m³
- Undrained shear strength
- 25 kPa
Clay 2Stratum · Undrained
- Thickness
- 7 m
- Unit weight
- 17 kN/m³
- Saturated unit weight
- 17 kN/m³
- Undrained shear strength
- 40 kPa
Clay 3Stratum · Undrained
- Unit weight
- 18 kN/m³
- Saturated unit weight
- 18 kN/m³
- Undrained shear strength
- 90 kPa
Water tableWater table · depth below ground
- Depth
- 3 m