Service Life Assessment Of Different Types Of Plasters Applied For The Renovation Of Architectural Heritage
Author(s)
V. Kočí, J. Maděra, R. Černý
Abstract
The service life of several renovation plasters applied on historical masonry is assessed. Beside traditional plasters, which are usually preferred by the preservation authorities, newly developed plasters on the scientific field are also investigated. The historical masonry is represented by solid bricks and selected type of sandstone. All the simulations with experimentally measured material parameters are performed for the dynamic climatic conditions of Prague. The results indicate that traditional plasters with very good mechanical properties do not always ensure the best solution from the point of view of the service life of building envelopes. The newly developed plasters evince much better hygrothermal performance, so that the presence of freeze/thaw cycles can be essentially neglected. Furthermore, the applied experimental-computational approach appears as an effective tool for the identification of tailored solutions for the particular types of historical building envelopes.
Keywords
solid brick, sandstone, plasters, renovation, computations, freeze/thaw resistance, service life
Related Book
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