Mathematical modeling of the folded foundation interaction with the base by varying the structure stiffness
DOI:
https://doi.org/10.26906/znp.2018.51.1306Keywords:
shell foundation, finite element method, mathematical modeling, coulomb-mohr modelAbstract
The article describes a practice of using software system based on the finite element method for calculating shell foundations. It considers the peculiarities of the folded foundation interaction with subsoil mathematical modeling . It is found that during modeling, special attention should be paid to a purpose of the system initial parameters, to a choice of finite elements type, and to an optimal model of subsoil. Mathematical modeling of the folded foundation interaction with subsoil is performed under conditions of a plane problem. The foundation operation under various conditions of interaction with subsoil and with different stiffness parameters of the foundation is analyzed. Correlation between stiffness of a foundation structure and resulting equivalent stresses in subsoil under different conditions of interaction is determined. It is concluded that the obtained results represent a benchmark for subsequent calculations and modeling the interaction between a foundation and subsoil under a volumetric stressed condition.
References
. El-kadya, M.S. & Badrawi, E.F. (2017) Performance of isolated and folded footings. Journal of Computational De-sign and Engineering, 4, 150-157. doi:10.1016/j.jcde.2016.09.001.
. Пронозин, Я.А. & Епифанцева, Л.Р. (2011). Экспе-риментальные исследования взаимодействия мембран-ного фундамента с грунтовым основанием. Всероссий-ская науч.-практ. конф. «Стратегия инновационного развития, строительства и освоения севера», Тюмень.
. Kurian, N.P. (1994). Behaviour of shell foundations under subsidence of core soil. Proc. 13 Int. Conf. Soil Mechanics and Foundation Eng. New Delhi, India.
. Huat, B.K.B. & Mohammed, A.T. (2006). Finite Element Study Using FE Code (PLAXIS) on the Geotechnical Behavior of Shell Footings. Journal of Computer Science, 2(1), 104-108.
. Naik, Р.N. & Thilakan, S. (2015). Geotechnical behavior of shell foundations. 50th Indian geotechnical conference. Pune, India.
. Colmenares, J.E., Kang, S.R., Shin, Y.J. & Shin, J.H. (2014). Ultimate Bearing Capacity of Conical Shell Founda-tions. Structural Engineering and Mechanics, 52(3), 507-523.
. Fattah, M.Y., Waryos, W.A. & Al-Hamdani, M.A.E. (2015). The Behavior of Conical Shell Foundation under Dynamic Loads. The 2nd International Conference of Build-ings, Construction and Environmental Engineering (BCEE2-2015). Beirut, Lebanon.
. Esmaili, D. & Hataf, N. (2008). Experimental and Nu-merical Invetigation of Ultimate Load Capacity of Shell Foundations on Reinforced and Unreinforced Sand. Iranian Journal of Science & Technology, 32(B5), 491-500.
. Hao, D, Chen, R. & Fan, G. (2012). Ultimate Uplift Capacity of Transmission Tower Foundation in Undisturbed Excavated Soil. Energy Procedia, 17, 1209-1216. doi:10.1016/j.egypro.2012.02.228.
. Tong, L.C. (1995). FE Simulation of Bulk Forming Processes with a Mixed Eulerian-Lagrangian Formulation. (PHD thesis), Swiss Federal Institute of Technology, Zurich.
. Тетиор, А.Н. (1975). Проектирование и сооружение экономичных конструкций фундаментов. Киев: Изд-во «Будівельник».
. Timchenko, R.A., Krishko, D.A. & Khoruzhenko, I.V. (2017). Construction solution of folded-plate shell foundation for power transmission towers. Academic Journal. Industrial Machine Building, Civil Engineering. 2(49), 207-214.