Abstract
Based on the finite element analysis software ABAQUS, this paper establishes a three-dimensional finite element simulation model. According to the measured data of a project in Qingdao, the settlement obtained by static load test is selected as the index to measure the stability of the pile foundation. The Poisson ratio, elastic modulus, angle of internal friction, and friction coefficient of the pile-soil contact surface of each layer of soil are selected as the factors affecting the stability of the pile foundation. The experimental results of settlement at all levels are analyzed and compared through the variable control and orthogonal experiment. Finally, the main factors affecting the stability of the pile foundation are determined as follows: the elastic modulus, Poisson ratio, friction coefficient, angle of internal friction of pile end soil, and the elastic modulus of the fourth layer of soil, which provides a specific reference value for the subsequent research on the stability of pile foundation.
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