Optimization design and application of prestressed achor friction piles

In order to study the process of designing and calculating prestressed anchor friction piles,based on the elastic foundation beam theory,anchor friction pile deformation and internal force calculation,the analysis were carried out in stages in accordance with the principle of coordination of the pile and anchor deformation.Combined with calculation examples of anchor friction pile,programs were prepared to verify the rationality of the design and calculations.From the internal forces and deformation of the pile before and after setting anchor cable,it can be found that: when other conditions are the same,the internal force distribution of the anchor pile is more balance and the stress state gets maked improvement compared with the ordinary pile.In this case,the cross-section dimensions and anchorage length of the pile are greatly reduced,and the amount of works and the project cost are reduced.