Heat, moisture and salt transport combined with salt crystallization strongly influence the durability of porous construction materials like masonry. With this in mind, this paper presents a novel coupled multiphase model for hygrothermal analysis of masonry structures and effective prediction of stress induced by salt crystallization. Firstly, the model is calibrated through experimental data. In particular, water and brine uptake and evaporation tests on a single brick and on a simple masonry column are reproduced. Then, the model is used to simulate the results of an extensive experimental campaign carried out on a masonry wall exposed to weather conditions for 2 years. Very good agreement between the model predictions and the experimental evidence is obtained, demonstrating the effectiveness of the proposed approach.

Castellazzi, G., Colla, C., de Miranda, S., Formica, G., Gabrielli, E., Molari, L., et al. (2013). A coupled multiphase model for hygrothermal analysis of masonry structures and prediction of stress induced by salt crystallization. CONSTRUCTION AND BUILDING MATERIALS, 41, 717-731 [10.1016/j.conbuildmat.2012.12.045].

A coupled multiphase model for hygrothermal analysis of masonry structures and prediction of stress induced by salt crystallization

FORMICA, GIOVANNI;
2013-01-01

Abstract

Heat, moisture and salt transport combined with salt crystallization strongly influence the durability of porous construction materials like masonry. With this in mind, this paper presents a novel coupled multiphase model for hygrothermal analysis of masonry structures and effective prediction of stress induced by salt crystallization. Firstly, the model is calibrated through experimental data. In particular, water and brine uptake and evaporation tests on a single brick and on a simple masonry column are reproduced. Then, the model is used to simulate the results of an extensive experimental campaign carried out on a masonry wall exposed to weather conditions for 2 years. Very good agreement between the model predictions and the experimental evidence is obtained, demonstrating the effectiveness of the proposed approach.
2013
Castellazzi, G., Colla, C., de Miranda, S., Formica, G., Gabrielli, E., Molari, L., et al. (2013). A coupled multiphase model for hygrothermal analysis of masonry structures and prediction of stress induced by salt crystallization. CONSTRUCTION AND BUILDING MATERIALS, 41, 717-731 [10.1016/j.conbuildmat.2012.12.045].
File in questo prodotto:
Non ci sono file associati a questo prodotto.

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11590/114591
Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 63
  • ???jsp.display-item.citation.isi??? 54
social impact