Optimization design of bridge pile foundation in slope area

Because of complicated engineering geology conditions and big load of upper structure in road construction of mountainous area,large deformation of bridge pile foundation appears,and the problem can not be solved very well.So deformation control of bridge pile foundation is very important in high frusta bridge design.Artificial dug pile foundation have been simulated by three-dimensional finite element method in the paper,then horizontal displacement and settlement were given.According to numerical simulation results,reinforced function and effect have been analyzed,horizontal displacement and settlement of pile foundation which have been reinforced by anchor pole(cable) were reduced effectively,and its project investment was reduced largely,and then the method provided a good way for similar projects.