Design standard of preboring pile for ultimate unit skin friction

Multi-scale study of load-bearing mechanism of uplift piles based on model tests and numerical simulations

Placing process of prebored screw pile method.

Calculated ultimate unit skin frictions.

Schematic representation of the six generic overburden drilling

Jong-Sub LEE, Professor, PhD, PE,, Korea University, Seoul

Unit skin friction for each model screw pile with different conditions

Friction Pile - an overview

Analysis on shaft resistance of the steel pipe prebored and precast piles based on field load-transfer curves and finite element method - ScienceDirect

SPT-based correlation with the ultimate skin friction resistance