1. Center for Regulation and Research in Soil, Water and Road Construction and Tra_c Engineering (CROW), Recommendations and Guidelines for Embedded Rail Systems, pp. 1{54 (2001). 2. Esveld, C. Chair for railway engineering", Annual Report, Report Period (1998). 3. Esveld, C., Tolboom, A.G., and de Man, A.P. Stability of embedded rail structures", Theoretical Investigation HSL-South (in Dutch), Report 7-97-120-5, TUD/Rbk (1998). 4. Suiker, A.S.J. Fatigue behavior of granular materials", Part I: Constitutive modeling and description of experiments, Report 7-97-119-2, TUD/Rbk and Part 2: Numerical formulation of the constitutive relations, Report 7-98-119-3, TUD/Rbk (1997 & 1998). 5. Markine, V.L., Annual Report, Section of Road and Railway Engineering - Report 7-06-110-26 ISSN 0169- 9288 (2006). 6. Ludvigh, E. Elastic behaviour of continuously embedded rail systems", Periodica Polytechnica Civil Engineering, 46, pp. 103{114 (2002). 7. Esveld, C., Markine, V.L., de Man, A.P., and Jovanovic, S., Optimum Design of Embedded Rail Structure for High-Speed Lines, Section of Road and Railway Engineering Faculty of Civil Engineering, Delft University of Technology (2003). 8. Eisenmann, J. and Leykauf, G. Feste Fahrbahnen fur Schienenbahnen", Beton-Kalendere, Teil 2, S., pp. 291{326 (2000). 9. Degrande, G. and Schillemans, L. Free _eld vibrations during the passage of a Thalys high-speed train at variable speed", Journal of Sound and Vibration, 247(1), pp. 131{144 (2001). 10. ISO 2041, Vibration and Shock - Vocabulary (1990). 11. Telford, J.K. and Hopkins, J. A brief introduction to design of experiments", Johns Hopkins APL Technical Digest, 27(3), pp. 224{232 (2007). 12. Lye, L.M. Design of experiments in civil engineering: Are we still in the 1920s?", Annual Conference of the Canadian Society for Civil Engineering, GE069, pp. 1{10 (2002). 540 M. Esmaeili et al./Scientia Iranica, Transactions A: Civil Engineering 27 (2020) 529{540 13. Yeh, I. Analysis of strength of concrete using design of experiments and neural networks", American Society Of Civil Engineers (ASCE), 18(4), pp. 597{604 (2006). 14. Yahia, A. and Khayat, K.H. Experiment design to evaluate interaction of high-range water-reducer and antiwashout admixture in high-performance cement grout", Cement and Concrete Research, 31, pp. 749{ 757 (2001). 15. Choudhury, S.K. and Bartarya, G. Role of temperature and surface _nish in predicting tool wear using neural network and design of experiments", International Journal of Machine Tools & Manufacture, 43, pp. 747{753 (2003). 16. Brown, S.F., Kwan, J., and Thom, N.H. Identifying the key parameters that inuence geogrid reinforcement of railway ballast", Geotextiles and Geomembranes, 25(6), pp. 326{335 (2007). 17. Pierlot, Ch., Pawlowski, L., Bigan, M., and Chagnon, P. Design of experiments in thermal spraying: A review", Surface & Coatings Technology, 202(18), pp. 4483{4490 (2008). 18. Gunasegaram, D.R., Farnsworth, D.J., and Nguyen, T.T. Identi_cation of critical factors a_ecting shrinkage porosity in permanent mold casting using numerical simulations based on design of experiments", Journal of Materials Processing Technology, 209(3), pp. 1209{1219 (2009). 19. S_anchez Lasheras, F., Vil_anVil_an, J.A., Garc__a Nieto, P.J., and del Coz D__az, J.J. The use of design of experiments to improve a neural network model in order to predict the thickness of the chromium layer in a hard chromium plating process", Mathematical and Computer Modeling, 52, pp. 1169{1176 (2010). 20. Moseson, A.J., Moseson, D.E., and Barsoum, M.W. High volume limestone alkali-activated cement developed by design of experiment", Cement & Concrete Composites, 34, pp. 328{336 (2012). 21. Montgomery, D.C. and Runger, G.C., Applied Statistics and Probability for Engineers, In John Wiley & Sons Inc, Third Edition, New York (2003). 22. Hanson, C.E., Towers, D.A., and Meister, L.D., Transit Noise and Vibration Impact Assessment, U.S. Department of Transportation Federal Transit Administration O_ce of Planning and Environment, S.E. Washington, FTA-VA-90-1003-06 (2006).