Summary of static pile capacity predictions in chalk
| Long-term (>100 day) shaft load Qs in chalk layer: MN | |||
|---|---|---|---|
| Site | Measured* | CIRIA C574† | Chalk ICP-18†‡ |
| WK38 | 2·73 | 0·27 (0·10) | 3·31 (1·21) |
| WK43 | 17·97 | 1·76 (0·10) | 14·23 (0·79) |
| WK70 | 21·54 | 4·83§ (0·22) | 20·81∥ (0·97) |
| Long-term (>100 day) shaft load | |||
|---|---|---|---|
| Site | Measured | CIRIA C574 | Chalk ICP-18 |
| WK38 | 2·73 | 0·27 (0·10) | 3·31 (1·21) |
| WK43 | 17·97 | 1·76 (0·10) | 14·23 (0·79) |
| WK70 | 21·54 | 4·83 | 20·81 |
Proportion based on static values given in Table 5.
Calculation assumes Δr= 0·5 μm with G calculated from equation (3).
Values in parentheses are ratios of calculated-to-measured capacity.
Adopts 120 kPa in high-density chalk/Danian limestone layer.
Adopts qt= 50 MPa in the high-density chalk/Danian limestone layer.
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