Abstract:Coupled Euler-Lagrange (CEL) method is used to analyze the soil response caused by the piling process of drilling ship in place. The soil response rule caused by the piling process is obtained. On this basis, the influence of the pile boot on the pile foundation of the near offshore platform is studied. The results show that: the pile foundation closest to the pile boots is of the greatest influence; as the penetration depth of the pile boots increases, the stress of the pile foundation increases gradually, and the maximum stress position of the pile foundation gradually moves down; the pile boots are of the greatest influence on the stress and horizontal displacement of the pile foundation under the slope of the drilling ship. The depth of the soil around the pile foundation of the offshore platform affected by the process of pile insertion is the insertion depth of pile boots, and the pile boots are of little influence on the bearing capacity and axial displacement of the pile foundation.