References
- [1] Yaghoobi, M. Mazaheri, S. & Dabbari, E. (2012). Determining natural frequency of free spanning offshore pipelines by considering the seabed soil characteristics. J. Par. Gulf. Mar. Scie. 3, 25-34. DOI: .
- [2] Ahn. J. Biscontin, G. & Roësset, J.M. (2011). Natural frequency and damping ratio of a vertically vibrated surface foundation. Soil. Dyn. Earth. Eng. 31, 674-681. DOI: .10.1016/j.soildyn.2010.12.006
- [3] Bhattacharya, S. (2014). Challenge in design of foundations for Offshore wind turbines. Eng. Tech. Ref, 31, 1-9. DOI: .10.1049/etr.2014.0041
- [4] Coulomb, C. (1776). Essai sur une application des règles de Maximis & Minimis à quelques problèmes de statique relatives à l’architecture. Mémoires de Mathématiques et de physique, Académie Royale des sciences, Paris, France.
- [5] Okabe, S. (1926). General theory of earth pressure. J. Jap. Soc. Civ. Eng, 12(1). DOI: .
- [6] Mononobe, N. (1929). On the determination of earth pressure during earthquakes. In Proceedings of the IX world Engineering Congress.
- [7] Scott, R.F. (1973). Earthquake-induced earth pressures on retaining walls. In 5th World Conference on Earthquake Engineering. Rome, Italy.
- [8] Ghanbari, A. Hoomaan, E. & Mojallal, M. (2013). An analytical method for calculating the natural frequency of retaining walls. Inter. J. Civ. Eng. Geotech. 11, 1-9. DOI: .
- [9] Sitar, N. & Wagner, N (2015). On Seismic Response of Stiff and Flexible Retaining Structures. In 6th International Conference on Earthquake Geotechnical Engineering, New Zealand.
- [10] Xu, Q. (2017). Investigation of Stability Alarming for Retaining Wall Structures with Damage. Shock. Vib, 1-12. DOI:org/10.1155/2017/4691947.10.1155/2017/4691947
- [11] Bakhtiari-Nejad, F. Khorram, A. & Rezaeian, M. (2014). Analytical estimation of natural frequencies and mode shapes of a beam having two cracks. Inter. J. Mech. Scie. 78, 193-202. DOI: .10.1016/j.ijmecsci.2013.10.007