1. AASHTO. 2020. AASHTO LRFD bridge design specifications. 9th ed. Washington, DC: AASHTO.
2. Allen, T. M. 2013. “AASHTO geotechnical design specification development in the USA.” In Vol. 1 of Modern geotechnical design codes of practices, edited by P. Arnold, G. A. Fenton, M. A. Hicks, T. Schweckendiek, and B. Simpson, 243–260. Amsterdam, Netherlands: IOS Press.
3. Ang, A. H. S., and W. H. Tang. 2007. Probability concepts in engineering: Emphasis on applications in civil & environmental engineering. 2nd ed. New York: Wiley.
4. Engineering Risk Assessment with Subset Simulation
5. Barker, R. M., J. M. Duncan, K. B. Rojiani, P. S. K. Ooi, C. K. Tan, and S. G. Kim. 1991. Manuals for the design of bridge foundations. NCHRP Rep. No. 343. Washington, DC: TRB.