Table 10.

Summary of static pile capacity predictions in chalk

Long-term (>100 day) shaft load Qs in chalk layer: MN
SiteMeasured*CIRIA C574Chalk ICP-18
WK382·730·27 (0·10)3·31 (1·21)
WK4317·971·76 (0·10)14·23 (0·79)
WK7021·544·83§ (0·22)20·81 (0·97)
*

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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