Compared with the cantilever reinforced concrete retaining straight piles,the major characteristics of squeezed pan piles in double-row contain:(1) The space rigid is increased enormously;the displacement in top of piles can be reduced greatly.

Analysis on deformation characteristic of squeezed branch and plate pile under lateral load with finite element method;

The squeezed branch and plate pile is a type of special figure pile.

3D finite element analysis of pile-soil interaction of squeezed branch pile;

Finite element analysis on horizontal load performance of squeezed branch pile;

Forecasting ultimate bearing capacity of single squeezed branch pile by hyperbola method;

We designed the shaking table test of squeezed-branch piles-soil-structure dynamic interaction system.

Study on test methods of multi-nodal enlarging-grouting pile;