Abstract：The bearing capacity behavior of the sloping prestressed pipe-pile is seldom seen，and it is a hot topic for scientific researchers and engineers about how to evaluate bearing capacity behavior of the sloping prestressed pipe-pile correctly. Based on numerical calculation，Bowles method is improved by employing the load transfer function of pile shaft soil. The ANSYS is used to build the mechanical model for the sloping prestressed single pipe-pile. The computational results of mechanical model in various soils agree well with the computational results with FORTRAN. It is reasonable to employ the mechanical model to research the behavior of the sloping prestressed pipe-pile. Finally，the influences of subjoining pile and adding footing beam to the bearing capacity behavior of the sloping prestressed pipe-pile are analyzed，and the difference of bearing capacity behavior between the sloping prestressed single pipe-pile and the sloping prestressed pipe-pile group are studied by engineering example. The results indicate that subjoining pile and adding footing beam can obviously increase the vertical bearing capacity of the sloping prestressed pipe-pile，and it is rather different for the bearing capacity behaviors between the sloping prestressed single pipe-pile and the sloping prestressed pipe-pile group. Some references that can guide the engineers to reinforce and process the sloping prestressed pipe-pile are obtained；and it is important to ensure the construction safe. The results will be helpful for engineering application and further research about the bearing capacity behavior of the sloping prestressed pipe-pile.
