1. S NiP RK 5.01-03-2002 “Pile foundation”.
2. S NiP RK 5.01-01-2002 “Soil basement and foundations”.
3. ASTM D 1143. “Standard Test Methods for Deep Foundations under Static Axial Compressive Load”.
4. Application of bi-directional static loading test to deep foundations;Dai;J. of Rock Mechanics and Geotechnical Engineering,2012
5. Breakthrough in Load Testing Methodology;Osterberg;J. Foundation Drilling,1989