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thermomechanic
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Numerical Investigation of the Thermo-mechanical Response of Single Energy Pile and a Group of Energy Piles
, M.Sc. Thesis Sharif University of Technology ; Jafarzadeh, Fardin (Supervisor) ; Ghasemi Fare, Omid (Co-Advisor)
Abstract
Geothermal piles are being used to serve dual purposes: transfer the structural load to the ground and act as heat exchanger elements to harvest and reject heat from and to the ground. Thermal loading can change the mechanical performance and bearing capacity of the geothermal piles during heating and cooling cycles. Therefore the thermo-mechanical responses of the geothermal piles should be comprehensively studied. In this paper the thermo-mechanical performance of a geothermal pile was analyzed using a 3D finite difference model in FLAC. The energy pile tests performed at Lambeth College, London were simulated using the developed numerical model. Comparison of both thermal strain and...