Abstract. Results of experimental and theoretical researches of a temperature field in a ground around an underground heat pipeline laid under the urban road construction are given. The differential equation of a stationary thermal conductivity for an inhomogeneous multiply connected domain is solved by the finite element method. Results of a natural experiment are used for constructing the mathematical model.

Received: January 23, 2013

AMS Subject Classification: 86-05, 86-08, 81T80, 80M10

Key Words and Phrases: heat pipeline, temperature field, road construction, finite element method, natural experiment, and underground collector

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