| 摘要 |
PROBLEM TO BE SOLVED: To inexpensively construct equipment for exchanging heat with ground, by utilizing a pile for civil engineering and construction. SOLUTION: A cavity S is made inside a pipe-shaped pile 1 for the civil engineering and the construction when the pile 1, whose tip is opened, is propelled into ground G from above the ground G so as to be installed and constructed in the ground G. A heat exchanger 2 for exchanging the heat with the ground G, through which a heating medium L is passed, is inserted for arrangement into the cavity S from an upper end of the pile 1. After that, the pile 1 is filled with a solid or solidifiable filler S. Alternatively, the heat exchanger 2 is integrally annexed to the pile 1, which is installed and constructed in the ground G in a state in which the heat exchanger 2 is annexed to the pile 1.
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