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Research on Effect of Heap Loading on Deformation and Mechanical Properties of Bridge Double Pile Foundation on Steep Slope

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Document pages: 14 pages

Abstract: In orderto analyze the deformation and stress characteristics of the pile foundation onthe slope, this paper uses the finite element software Abaqus for numericalsimulation. The displacement and stress data of pile under different working conditions(the combination of heap load and vertical load and horizontal load and inclinedload) were collected; the distribution of pile displacement, axial force and bending moment wereanalyzed. Simulation results show that: slope top loading has little effect on verticaldisplacement; when the heap load exceeds 200 kPa, the horizontal displacement is greatlyaffected. Pile axial force decreases with pile burial depth; pile lateralresistance plays a more adequate role in the rock and soil layer. The bending momentof double pile foundation is positive at the top and negative at the bottom. Applied obliqueload has obvious p-Δ effect.

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