RILEM TC 243-SGM report

grouting for historic architectural surfaces

Journal article (2023)

Authors

Ioanna Papayianni Aristotle University of Thessaloniki
Beril Bicer-Simsir Getty Conservation Institute
Albert Jornet University of Applied Sciences of Southern Switzerland
C.J.W.P. Groot Applied Mechanics - CEG
Jan Valek Czech Academy of Sciences
Violeta Bokan-Bosiljkov University of Ljubljana
R.P.J. van Hees Heritage & Technology - Architecture and the Built Environment
Andreja Padovnik University of Ljubljana
Vasiliki Pachta Aristotle University of Thessaloniki
Research Group
Applied Mechanics (CEG) (TU Delft)
Copyright: © 2023 Ioanna Papayianni, Beril Bicer-Simsir, Albert Jornet, C.J.W.P. Groot, Jan Valek, Violeta Bokan-Bosiljkov, R.P.J. van Hees, Andreja Padovnik, Vasiliki Pachta
DOI: https://doi.org/10.1617/s11527-022-02076-7
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Published Date

2023

Language

English

Reuse Rights

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Faculty

Civil Engineering & Geosciences

Department

Materials- Mechanics- Management & Design

Research Group

Applied Mechanics

Abstract

Historic Structures are commonly coated with mortar layers (plasters, renders, flooring) for protection and decoration. These well finished architectural stratigraphic surfaces often suffer from deterioration, such as lack of adhesion or detachment between support and mortar layers and even between mortar layers. Grouting and filling voids between delaminated layers can be an effective intervention if the layers are compact. This paper deals with aspects pertinent to the selection, design and implementation of a grout for the in situ stabilization and preservation of historic architectural surfaces. It presents the methodological approach, in accordance with the conservation principles, including sections on diagnosis, study and assessment of the deterioration phenomena, definition of grout requirements, selection of proper ingredients for custom-made or commercial grouts, as well as making and testing trial mixes, field testing and Assessment of the effectiveness of grouting. The aim of this paper, that is elaborated in the frame of RILEM TC 243 SGM, is to serve as a guide for users of lime-based grouts for the reattachment and reinstatement of historical architectural surfaces.

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- Embargo expired in 01-07-2023
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