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Apuntes: Revista de Estudios sobre Patrimonio Cultural - Journal of Cultural Heritage Studies
Print version ISSN 1657-9763
Abstract
GOMES, Maria Idália; DIAZ GONCALVES, Teresa and FARIA, Paulina. Avaliação da influência do teor de água na trabalhabilidade de argamassas de terra. Apuntes [online]. 2012, vol.25, n.2, pp.258-277. ISSN 1657-9763.
Currently there is a high level of ignorance in what respects rehabilitation and conservation of earth buildings. It is necessary to use a mortar compatible with these kinds of supports. Therefore, it is essential to understand the behavior of earth mortars. It is known that the amount of water used in mixing has great influence on physical characteristics, workability and consequently, application -particularly with the presence of clays. With the objective of filling up the knowledge void, characterization tests were performed on fresh and hardened earth mortars, with four different earths, in which six different water levels were added. Another objective is to directly assess the workability through applications that were made by masons in rammed earth samples. After analyzing the results it was observed that the shrinkage and workability are strongly influenced by the water/dry material, affecting the viability of a mortar. However, the mason is a highly important factor in its application of a mortar.
Keywords : earth mortar; water content; workability; consistency; retraction.