Study of working properties of pile with branch plates based on Abaqus

Based on the Abaqus software, the working properties of pile with branch plates were studied. To solve this problem and considering the no-linear contact between pile and soil, elastic-plastic of soil, initial stress state. The results show that the axial force of pile body had mutations at upper and lower of the branch plates, when the pile with branch plates bearing capacity to the limit, the lower slope of branch plate bore great contact pressure, the upper slope of branch plate and soil produced a separate, the plastic strain occurred in the bottom of the branch plate and the pile body.