In-life prediction of hygrometric behaviour of buildings materials: an application of fractal geometry to the determination of adsorption and suction properties

Stazi, Alessandro; D’Orazio, Marco; Quagliarini, Enrico

doi:10.1016/s0360-1323(01)00064-6

Cited by 10 publications

(9 citation statements)

References 11 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Estructura porosa y proceso de carbonatación en pastas mixtas de cal con diferente porcentaje de cemento Pore structure and carbonation in blended lime-cement pastes dissolution is dependent upon the contact area between the Ca(OH) 2 crystals and the water, the amount of which likewise depends on the internal structure of the paste (5,10,11).…”

Section: Preparación De Las Pastasmentioning

confidence: 99%

Estructura porosa y proceso de carbonatación en pastas mixtas de cal con diferente porcentaje de cemento

Arandigoyen¹,

Álvarez²

2006

Mater. construcc.

View full text Add to dashboard Cite

Section: Preparación De Las Pastasmentioning

confidence: 99%

Estructura porosa y proceso de carbonatación en pastas mixtas de cal con diferente porcentaje de cemento

Arandigoyen¹,

Álvarez²

2006

Mater. construcc.

View full text Add to dashboard Cite

“…Fractal geometry is used to describe chaotic systems which are characterized by their invariability at any scale used to examine them: any part or the system looks the same as the whole (self-similarity) [24]. System is determined by fractal dimension value, which is defined as an intermediate dimension between the Euclidean dimensions (point 0, line 1, plane 2 and volume 3) as a consequence of the complexity of the system [5].…”

Section: Surface Fractal Dimensionmentioning

confidence: 99%

“…One important side of the knowledge of these blended mortars is the study of the microstructure and related properties, which gives information about: i) the future degradation of the material [3,4]; ii) transport and accumulation of water [5]; iii) kind of diffusion of gases through the material [6], and, related with this, the kinetic of some reactions that can take place [7].…”

Section: Introductionmentioning

confidence: 99%

Blended pastes of cement and lime: Pore structure and capillary porosity

Arandigoyen

Álvarez

2006

Applied Surface Science

View full text Add to dashboard Cite

Microstructure of blended pastes of lime and cement were studied in this paper. An increment of complexity of the microstructure was found when pastes increase their percentage in cement. Microstructural characteristics as porosity, morphology of the pores, pore size distribution and surface fractal dimension were evaluated in the different pastes studying the modification with the variation of composition. The capillary water absorption is also evaluated obtaining higher capillary coefficients values for the pastes with higher amounts of lime. The increase of complexity of the microstructure, due to the cement in the pastes, leads to slight deviations of the parallel tube model.

show abstract

“…Fractal geometry is used to describe chaotic systems which are characterized by their invariability at any scale used to examine them: any part or the system looks the same as the whole (self-similarity) [7]. System is determined by fractal dimension value, which is defined as an intermediate dimension between the Euclidean dimensions (point 0, line 1, plane 2 and volume 3) as a consequence of the complexity of the system [23].…”

Section: Surface Fractal Dimensionmentioning

confidence: 99%

Lime-pastes with different kneading water: Pore structure and capillary porosity

Arandigoyen

Bernal

Bello‐López

et al. 2005

Applied Surface Science

117

View full text Add to dashboard Cite

ABSTRACT:Lime mortars to be used in restoration works of Cultural Heritage are being more and more studied. The knowledge on the lime pastes allows to understand the behaviour of the binder fraction. The aim of this work is to study the influence of the kneading water on two critical aspects of the lime-pastes: pore structure and capillary porosity, because both of them are related to the service life of the material, particularly with the moisture transport. Mercury intrusion porosimetry has been performed to establish the pore size distribution: one pore range has been checked in the different pastes tested, setting linear relationships between the pore diameter and the water/lime ratio.Fractal geometry has been used from the MIP results in order to evaluate the pore surface complexity, as a function of the kneading water. From the results, it can be concluded that kneading water is only responsible for a swelling of the structure, but it does not change the pore surface (keeping constant the surface fractal dimension). DIA analysis has been carried out, confirming the previous results. Finally, the correlation obtained between the capillary coefficient and the water/lime ratio confirms the postulated pore structure for the different amount of kneading water in lime-pastes.

show abstract

In-life prediction of hygrometric behaviour of buildings materials: an application of fractal geometry to the determination of adsorption and suction properties

Cited by 10 publications

References 11 publications

Estructura porosa y proceso de carbonatación en pastas mixtas de cal con diferente porcentaje de cemento

Estructura porosa y proceso de carbonatación en pastas mixtas de cal con diferente porcentaje de cemento

Blended pastes of cement and lime: Pore structure and capillary porosity

Lime-pastes with different kneading water: Pore structure and capillary porosity

Contact Info

Product

Resources

About