ABSTRACT
Granular pile/stone columns, have been widely used for ground improvement purposes. To make these pile tension resistant, a modification has been introduced, resulting in the foundation technique known as Granular Anchor Pile (GAP). GAP incorporate a steel anchor rod, with one end connected to the structure/foundation and the other end is fastened to an anchor plate at the bottom. The anchor rod provide resistance to uplift load and the stone column will provide the resistance to compressive loads. The current study focuses on the numerical validation of axial pullout load-displacement response observed in field tests conducted on the group two of Granular Anchor Pile (GAPs) embedded in cohesionless soil, as reported by Kumar (2002). The parameters considered for validation include a pile length of 6 m, a pile diameter of 0.30 m, a spacing of three times the pile diameter, and an L/d ratio of 20. Additionally, the effect of ground water table and a group of three (n=3) granular anchor pile placed in triangular pattern is studied.
