Abstract
The article describes an analysis of the effect of soil type on temperature field distribution at the level of family house basement. Regarding engineering calculations (heat loss calculation, designing and evaluating constructions), a simple and generally accepted method to determine the course of temperature field adjacent to basement walls is missing. The methods specified in European standards are, in terms of calculation of heat flows in soil, problematic. There is currently an insufficient number of measured values, which could be integrated in a simple calculation method. A certain option concerns continual measuring of temperatures in soil for buildings in situ. The article uses the measurements of soil temperatures in winter in pre-determined depths at the building parts in contact with soil. The measured data from a two-year period were integrated in the model on the basis of statistical evaluation. The main aim of the article is to generate an impulse to create unified outcomes of temperatures of certain soils for pre-selected depths, building structures, and parameters of indoor and outdoor environment.
Highlights
The distribution of temperatures in soil under buildings is currently relatively little examined field of civil engineering physics, even though it is closely related to accurate calculations of heat technology.Despite being different from air temperature, soil temperature reflects long-term trends in air temperature, and the temperature differences on the surface are transferred deeper
The temperature of soil is different from air temperature; in most cases the soil temperature is higher, and their difference depends on precipitation conditions, snow cover, vegetation type and changes over time, soil quality, heat accumulation, etc
The following values were monitored during the experimental measurement on the real structure. [7]
Summary
The distribution of temperatures in soil under buildings is currently relatively little examined field of civil engineering physics, even though it is closely related to accurate calculations of heat technology. Soil has relatively low heat conductivity, reacts slower to climatic conditions, and its underground reaction to changes in external effects is slow. Other factors that affect soil temperatures include well designed surrounding building structures. They concern correctly selected heat insulation, waterproofing [1]. Building constructions must be repaired (using direct or indirect methods) and the whole process results in changes in the temperature field of the evaluated structure [4]. The distribution of temperatures in soil in civil engineering is used for a calculation of specific heat flux of buildings with and without cellar
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