Table 5

Safety factor against torsional stress loaded onto existing SP piles

Case_SP_0.6_0.1_1Case_SP_0.6_0.3_1Case_SP_0.6_0.1_100Case_SP_0.6_0.3_100Case_SP_0.6_0.1_1000Case_SP_0.6_0.3_1000
SP pile diameter: m0.60.60.60.60.60.6
Interval width: m0.10.30.10.30.10.3
Torsional stress: N/mm24.92 × 10−22.04 × 10−28.94 × 10−13.62 × 10−18.20 × 1003.55 × 100
Torsional angle: °9.31 × 10−43.86 × 10−41.69 × 10−26.85 × 10−31.55 × 10−16.71 × 10−2
Safety factor0.0010.0000.0100.0040.0910.039
Case_SP_0.3_0.1_1Case_SP_0.3_0.3_1Case_SP_0.3_0.1_100Case_SP_0.3_0.3_100Case_SP_0.3_0.1_1000Case_SP_0.3_0.3_1000
SP pile diameter: m0.30.30.30.30.30.3
Interval width: m0.10.30.10.30.10.3
Torsional stress: N/mm21.28 × 10−15.31 × 10−22.33 × 1009.42 × 10−12.14 × 1019.23 × 100
Torsional angle: °4.57 × 10−31.90 × 10−38.31 × 10−23.36 × 10−27.62 × 10−13.30 × 10−1
Safety factor0.0010.0010.0260.010.2360.102

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