Odnawianie tynków: trwałość oraz właściwości mechaniczne, wilgotnościowe, cieplne

• Autorzy: Vejmelkova E. , Maca P. , Keppert M. , Rovnanikova P. , Cerny R.

Warianty tytułu

EN

Commercial renovation renders: mechanical, hygric, thermal and durability properties

• Języki publikacji: PL

Abstrakty

PL

Zbadano właściwości dwóch renowacyjnych tynków pokrywających, dostępnych na rynku. Badania wykazały, że jeden z tych tynków jest w pełni przydatny do prac renowacyjnych. Oba tynki mają dużą wytrzymałość na zginanie i ściskanie oraz małą przepuszczalność wody i bardzo dobrą trwałość, co stanowi ich zalety. Jeden z badanych tynków ma jednak znacznie gorszą odporność na mróz i krystalizację soli, co ogranicza jego zastosowanie w pracach renowacyjnych.

EN

Mechanical, hygric, thermal and durability properties of two commercial brown coat-renovation plaster systems are investigated. Experimental results show that one of the analyzed pairs of plasters is very suitable for the use at renovation works. The high values of compressive and bending strength are the first advantage of both the brown-coat and renovation-plaster layers, the low liquid water transport parameters the second, the very good durability parameters the third. The second pair of studied plasters is found to suffer from the significantly worse frost resistance and salt crystallization resistance of the brown coat, which limits its use for renovation purpose.

Słowa kluczowe

PL

odnowa zabytków; tynk renowacyjny; wytyczne; WTA 2-9-04/D; tynk produkowany fabrycznie; tynk wapienny; właściwości techniczne

EN

monument restoration; renovation plaster; WTA 2-9-04/D; recommendation; commercial plaster; lime plaster; technical properties

• Wydawca: Fundacja Cement, Wapno, Beton
• Czasopismo: Cement Wapno Beton
• Rocznik: 2011
• Tom: R. 16/78, nr 5
• Strony: 288--298
• Opis fizyczny: Bibliogr. 22 poz., il.

Twórcy

autor

Vejmelkova E.

autor

Maca P.

autor

Keppert M.

autor

Rovnanikova P.

autor

Cerny R.

• Department of Materials Engineering and Chemistry, Faculty of Civil Engineering, Czech Technical University, Prague

Bibliografia

• 1. WTA 2-9-04/D Sanierputzsysteme. WTA-Publications, Pfaffenhofen 2005.
• 2. L. Binda, G. Baronio, C. Tiraboschi, C. Tedeschi, Experimental research for the choice of adequate materials for the reconstruction of the Cathedral of Noto. Construction and Building Materials, 17, 629-639 (2003).
• 3. N. Arioglu, S. Acun, A research about a method for res-toration of traditional lime mortars and plasters: A staging system and approach. Building and Environment, 41, 1223-1230 (2006).
• 4. D. Michoinová, Preparation of Lime Plasters in the Care of Historical Monuments (in Czech). ČKAIT, Prague 2006.
• 5. J. Ashurst, N. Ashurst, N. 2005. Mortars, Plasters & Renders, English Heritage Technical Handbook, Vol. 3. Asghate Publishing, Aldershot, Hants 2005.
• 6. M. F. Rojas, J. Cabrera, The effect of temperature on the hydration rate and stability of the hydration phases of metakaolin-lime-water systems. Cement and Concrete Research, 32, 133-138 (2002).
• 7. M.F. Rojas, Study of hydrated phases present in a MK-lime system cured at 60 °C and 60 months of reaction. Cement and Concrete Research, 36, 827-831 (2006).
• 8. R. Černý, A. Kunca, V. Tydlitát, J. Drchalová, P. Rovnaniková, Effect of Pozzolanic Admixtures on Mechanical, Thermal and Hygric Properties of Lime Plasters. Construction and Building Materials 20, 849-857 (2006).
• 9. A. Bakolas, E. Aggelakopoulou, A. Moropoulou, S. Anagnostopoulou, Evaluation of pozzolanic activity and physicomechanical characteristics in metakaolin-lime pastes. Journal of Thermal Analysis and Calorimetry, 84, 157-163 (2006).
• 10. C. Fortes-Revilla, S. Martinez-Ramirez, M. Teresa Blanco-Varela, Modelling of slaked lime-metakaolin mortar engineering characteristics in terms of process variables. Cement & Concrete Composites, 28, 458-467 (2006).
• 11. A. Sepulcre-Aguilar, F. Hernández-Olivares, Assessment of phase formation in lime-based mortars with added metakaolin, Portland cement and sepiolite, for grouting of historic masonry. Cement and Concrete Research, 40, 66-76 (2010).
• 12. N. Billong, U.C. Melo, D. Njopwouo, F. Louvet, J.R Bonnet, Effect of mixture constituents on properties of slaked lime-metakaolin-sand mortars containing sodium hydroxide. Cement & Concrete Composites, 31, 658-662 (2009).
• 13. N. Billong, U.C. Melo, E. Kamseu, J.M. Kinuthia, D. Njopwouo, Improving hydraulic properties of lime-rice husk ash binders with metakaolin. Construction and Building Materials, 25, 2157-2161 (2011).
• 14. M. R. Veiga, A. Velosa, A. Magalhaes, Experimental applications of mortars with pozzolanic additions: Characterization and performance evaluation. Construction and Building Materials, 23, 318-327 (2009).
• 15. V. Kočí, J. Madĕra, R. Černý, P. Rovnaníková, Application of a combined computational-experimental approach for the service life estimate of exterior plasters of historical buildings. Structural Studies, Repairs and Maintenance of Heritage Architecture XI. WIT Transactions on the Built Environment, 109, 303-314, (2009).
• 16. S. Roels, J. Carmeliet, H. Hens, O. Adan, H. Brocken, R. Černý, Z. Pavlik, C. Hall, K. Kumaran, L. Pel, R. Plagge, Interlaboratory Comparison of Hygric Properties of Porous Building Materials. Journal of Thermal Envelope and Building Science, 27, 307-325 (2004).
• 17. E. Vejmelková, M. Pavliková, M. Keppert, Z. Keršner, P. Rovnaniková, M. Ondráček, M. Sedlmajer, R. Černý, Fly-Ash Influence on the Properties of High Performance Concrete. Cement Wapno Beton, 13/75, 189-204 (2009).
• 18. E. Vejmelková, M. Pavliková, M. Jerman, R. Černý, Free Water Intake as Means of Material Characterization. Journal of Building Physics, 33, 29-44 (2009).
• 19. M. K. Kumaran, Moisture Diffusivity of Building Materials from Water Absorption Measurements. Journal of Thermal Envelope and Building Science, 22, 349-355 (1999).
• 20. M. Jerman, M. Keppert, J. Výborný, R. Černý, Moisture and heat transport and storage characteristics of two commercial autoclaved aerated concretes. Cement Wapno Beton 16/78, 18-29 (2011).
• 21. ČSN 72 2452, Testing of frost resistance of mortar. Czechoslovak Standardization Institute, Prague 1968.
• 22. S. Chandra, Binders yesterday and today in India. Cement Wapno Beton 15/77, 31-49 (2010).