Abstract
Under the influence of global warming, the engineering structure stability of the permafrost regions are under the threat of a very strong, therefore, it is necessary for climate change under the influence of the pile foundation to study the temperature field of frozen soil area. In this paper, the bridge pile foundation under the condition of the temperature rise over the next 50 years, thermal probes of different forms (pile arrangement within one, two, three; pile arrangement outside two, three) are analyzed and compared. Calculation results show that thermal probes pile foundation have active cooling effect, can guarantee the stability of the bridge pile foundation; In a pile outside the same number of root pile layout arrangement effect is good.
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