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|Título:||An experimental framework for the support of multi-physics simulation models of aerial lime for historic masonry structures|
|Autor(es):||Oliveira, M. A.|
Lourenço, Paulo B.
|Resumo(s):||Even though mortar only represents around 15% of masonry elements in terms of volume, the majority of the structural movements occurs in the joint material. It is therefore understandable that a deep understanding of the structural behavior of masonry structures demand for an adequate description of the performance of the binding mortar. In the specific case of historical constructions, a significant deal of important heritage masonry has been built using aerial lime as binder. This work presents some experimental results from a comprehensive program which aims to characterize the mechanical behavior aerial lime in view of the behavior of its description through multi-physics simulation models. A typical mortar composition is used and the E-modulus and compressive strength are evaluated. For the evaluation of the elasticity modulus, cylindrical specimens were used (cyclical load), and for the compressive strength load, cubes (rupture). The experimental program also included the characterization of carbonation depth through a chemical indicator (phenolphthalein) and through thermogravimetric analyses (TGA).|
|Aparece nas coleções:||ISISE - Comunicações a Conferências Nacionais|
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