Application Of A Combined
Computational-experimental Approach For The
Service Life Estimate Of Exterior Plasters Of
Historical Buildings
Author(s)
V. Kočí, J. Maděra, R. Černý & P. Rovnaníková
Abstract
A combined computational-experimental approach for estimating the damage of
surface layers of historical buildings is presented in this paper. In the
experimental part, the durability of selected plasters is assessed in terms of their
frost resistance. In the computational part, a diffusion-type model of coupled
heat and moisture transport is used for the identification of the number of frost
cycles in a real structure. As a practical example, a historical wall with interior
and exterior plasters is chosen. Three types of historical materials of load-bearing
structure and three types of plasters are under consideration. The computational
and experimental results show that a typical commercial renovation plaster has a
sufficient service life for brick, sandstone and arenaceous marl masonry.
Common lime plaster can be successfully applied on brick or arenaceous marl
only. Hydrophobic lime plaster modified by metakaolin can be recommended for
brick or sandstone masonry.
Keywords: service life estimate, experimental analysis, computational analysis,
heat and moisture transport.
Keywords
service life estimate, experimental analysis, computational analysis,
heat and moisture transport
Related Book
Other papers in this volume
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