Evaluation of the Behaviour of a Macroporous Mortar Coating with Respect to Rising Damp

• Autorzy: Camino-Olea M. S. , Cabeza-Prieto A. , Sáez-Pérez M. P. , Llorente-Álvarez A. , Rodríguez-Esteban M. A.

Identyfikatory

DOI

10.29227/IM-2024-02-68

Warianty tytułu

PL

Ocena zachowania macroporowatej powłoki zaprawowej w odniesieniu do podciągania kapilarnego

• Konferencja: 9th World Multidisciplinary Congress on Civil Engineering, Architecture, and Urban Planning - WMCCAU 2024 : 2-6.09.2024
• Języki publikacji: EN

Abstrakty

EN

Brick masonry walls in Cultural Heritage buildings often have problems caused by rising damp. One solution is to coat the walls with repair mortars, including macroporous mortars. Their function is to ensure that the wall has a lower moisture content than without the coating to reduce deterioration, prevent efflorescence and prevent damp stains. This article presents the conclusions reached on the behaviour of macroporous mortars with regard to water absorption by capillary action and the drying process, by means of laboratory tests carried out on brick and mortar specimens of a similar composition to the old walls, coated with macroporous mortars. From the study it can be concluded that these coatings can help to maintain a lower level of humidity in the masonry before reaching saturation.

PL

Ściany murowane budynków zabytkowych często mają problemy spowodowane podciąganiem kapilarnym. Jednym z rozwiązań jest pokrycie ścian zaprawą naprawczą, w tym zaprawami makroporowatymi. Ich funkcją jest zapewnienie, że ściana ma niższą wilgotność niż w przypadku braku pokrycia, aby zmniejszyć degradację, zapobiec eflorescencji i zapobiec plamom wilgoci. Artykuł ten przedstawia wnioski dotyczące zachowania zapraw makroporowatych w odniesieniu do wchłaniania wody na skutek działania kapilarnego oraz procesu suszenia, na podstawie badań laboratoryjnych przeprowadzonych na próbkach cegieł i zapraw o podobnym składzie do starych ścian, pokrytych makroporowatymi zaprawami. Z badań wynika, że te powłoki mogą pomóc w utrzymaniu niższego poziomu wilgotności w murze przed osiągnięciem nasycenia.

Słowa kluczowe

EN

historic buildings; brickwork; restoration; dampness; macroporous mortars

PL

budynki zabytkowe; murarstwo; renowacja; wilgoć; zaprawy makroporowate

• Wydawca: Polskie Towarzystwo Przeróbki Kopalin
• Czasopismo: Inżynieria Mineralna
• Rocznik: 2024
• Tom: Vol. 2, no. 2
• Strony: art. no. 68
• Opis fizyczny: Bibliogr. 40 poz., tab., wykr., zdj.

Twórcy

autor

Camino-Olea M. S.

• Universidad de Valladolid, E.T.S. de Arquitectura, avenida de Salamanca, 18 47014 Valladolid, Spain

• https://orcid.org/0000-0001-5711-3243

autor

Cabeza-Prieto A.

• Universidad de Valladolid, E.T.S. de Arquitectura, avenida de Salamanca, 18 47014 Valladolid, Spain

• https://orcid.org/0000-0002-6473-2097

autor

Sáez-Pérez M. P.

• Universidad de Granada, Campus Fuentenueva, av. Severo Ochoa s/n, Granada, Spain

• https://orcid.org/0000-0001-9725-1153

autor

Llorente-Álvarez A.

• Universidad de Valladolid, E.T.S. de Arquitectura, avenida de Salamanca, 18 47014 Valladolid, Spain

• https://orcid.org/0000-0002-5956-5466

autor

Rodríguez-Esteban M. A.

• Universidad de Valladolid, E.T.S. de Arquitectura, avenida de Salamanca, 18 47014 Valladolid, Spain

• https://orcid.org/0000-0003-3500-2375

Bibliografia

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• 30.European Standard EN 771-16 Methods of test for masonry units: Part 16: Determination of dimensions
• 31.European Standard EN 772-13 Methods of test for masonry units. Part 13: Determination of net and gross dry density of masonry units (excepts for natural Stone).
• 32.European Standard EN772-21 Methods of sample masonry units. Parts 16: Determination of water absorption of cal and calcium silicate masonry units by cold water absorption.
• 33.European Standard EN 772-11 Methods of sample masonry units. Parts 11: Determination of water absorption of aggregate concrete, manufactured stone and natural stone masonry units due to capillary action and initial rate of water absorption of clay masonry.
• 34.European Standard EN 1015-7 Methods of test mortar for masonry. Part 7: Determination of air content of fresh mortar
• 35.European Standard EN 998-1 Specification for mortar masonry. Prt1: Rendering and plastering mortar.
• 36.European Standard EN1015-18 Methods of test mortar for masonry. Part 18: Determination of water absorption coefficient due to capillary action of hardened mortar
• 37.European Standard EN 933-1 test for geometrical properties of aggregates. Part 1: Determination of particle size distribution. Sieving method
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• 39.European Standard EN 15801 Conservation of cultural property. Test methods. Determination of water absorption by capillarity.
• 40.European Standard EN 16322 Conservation of Cultural Heritage. Test methods -Determination of drying properties.

Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki i promocja sportu (2025).