Foundations · Pile groups & caps
Pile group loads (rigid cap, any layout) calculator
Axial load in every pile of a vertical-pile group under axial load and biaxial moments, with compression and tension checks and a plan of the group.
Standard: P = N/n ± Mx·y/Σy² ± My·x/Σx²
Inputs in the worked example
The live calculator starts with these values; change any of them and every result, check and diagram updates instantly.
| Input | Value | Unit |
|---|---|---|
| Pile coordinates x, y (m), one per line | -2.4, -1.2 0, -1.2 2.4, -1.2 -2.4, 1.2 0, 1.2 2.4, 1.2 | |
| Axial load N* (incl. cap) | 6000 | kN |
| Moment Mx* (compresses +y side) | 900 | kNm |
| Moment My* (compresses +x side) | 400 | kNm |
| Horizontal load Hx* | 150 | kN |
| Horizontal load Hy* | 0 | kN |
| Pile design compression capacity | 1500 | kN |
| Pile design tension capacity (0 = none) | 0 | kN |
| Pile diameter (drawing) | 0.6 | m |
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For preliminary design and education. Check every result against the current standard and your own engineering judgement before use.