Abstract
In order to reduce the dynamic energy consumption of pile-driving of the anti-flood screw piles, the unsmoothed surface is applied to the screw pile tip to form an anti-flood bionic screw pile. In ANSYS, the FEM-SPH coupling algorithm is used to model and simulate the pile-driving process of bionic screw piles, and the simulation results of soil stress distribution, radial displacement of soil particles and pile-driving torque are obtained. The results of the pile-driving test show that the test torque is less than the simulated torque, and the soil pressure is consistent with the simulation results. The correctness of the simulation model is verified, which provides a theoretical basis for further improving the bionic screw pile and the pile-driving equipment.
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