In work the technique of the experimental assessment of thermodynamic characteristics of a condition of porous soil system at external thermal heating is offered. On a surface of all studied exemplars body height of temperature happened under the exponential law. At a depth of 5 cm in all exemplars dependence of body height of temperature on time was described by sigmoidal function of Boltzmann. The offered technique can be used for assessment of fire-dangerous properties of sponges, in particular systems the soil - oil products on objects of an oil and gas complex.
smoldering combustion, porous systems, oil products, fire hazard
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