1. AASHTO (2010) LRFD bridge design specifications, 5th edn. AASHTO, Washington, DC
2. ASTM D 1143/D 1143M (2007) Standard test methods for deep foundations under static axial compression load. ASTM
3. ASTM D2937 (2010) Standard test method for density of soil in place by the drive-cylinder method. ASTM
4. Bermingham PD (2000) STATNAMIC: the first ten years. In: Proceedings of the second international statnamic seminar, Tokyo, Japan, October 28–30, 1998, pp 457–464
5. Bolognesi AJL, Moretto O (1973) Stage grouting preloading of large piles on sand. In: Proceedings of 8th ICSME, Moscow, p 20