City Research Online

Abstract

Thermal piles are a sustainable foundation solution which support structural load whilst generating geothermal energy. Current design practice has been developed for conventional solid concrete thermal piles. This paper focusses on the use of a new innovative hollow thermal pile, the HIPER pile, developed in collaboration with Keltbray Piling. This pile is significantly more thermally efficient; leading to greater temperature gradients than could be expected with conventional thermal piles. A total of four centrifuge model tests at 50g in sand have been conducted to investigate the effects of heating and cooling cycles on pile behaviour under constant load. During testing the pile head movement, pile temperature, and soil temperature were recorded. Relationships between pile movement and thermal cycles are presented.

Publication Type:	Conference or Workshop Item (Paper)
Publisher Keywords:	Centrifuge modelling; thermal piles; temperature effects
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Departments:	School of Science & Technology School of Science & Technology > Engineering
SWORD Depositor:	Symplectic Administrator

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