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Experimental investigation on the repair of rammed earth by means of injection ...

Silva, Rui André Martins da; Oliveira, Daniel V.; Schueremans, Luc; Lourenço, Paulo B.; Miranda, Tiago F. S.

This paper assesses the adhesion capacity of unmodified mud grouts used to repair structural cracks on medium and large scale rammed earth specimens. Beam and wallet-specimens were manufactured using a soil from Alentejo (Portugal), whose particle size distribution had to be first corrected due to its high clay content. An “artificial” (composed by kaolin and limestone powder) and a “natural” (composed by sieve...


On the development of unmodified mud grouts for repairing earth constructions: ...

Silva, Rui André Martins da; Schueremans, Luc; Oliveira, Daniel V.; Dekoning, K.; Gyssels, T.

The conservation and rehabilitation of several sites of cultural heritage and of the large housing stock built from earth requires the development of techniques and materials compatible with this kind of construction. Grout injection is one repair solution which has been put forward over the last few years, whereas there is preference for employing grouts that incorporate earth in their composition. However, kn...


A construção em taipa e os sismos

Oliveira, Daniel V.; Silva, Rui André Martins da; Schueremans, Luc; Lourenço, Paulo B.

A reconhecida sustentabilidade da construção em taipa e o vasto património arquitectónico edificado segundo este processo construtivo são motivos, por si só suficientes, para justificar o crescente interesse pela construção taipa por parte das autoridades, investigadores, projectistas e empresas. Todavia, este tipo de construção apresenta tipicamente um deficiente desempenho sísmico, o que torna desaconselhada ...


Evaluation of polymeric coatings and primers against chloride ingress in concrete

Aguiar, J. L. Barroso de; Schueremans, Luc; Moreira, Pedro M.; Camões, Aires; Gemert, D. van

Nowadays, it is common knowledge that the biggest degradation of concrete is caused by outside to inside actions. Penetration of moisture, active gases and aggressive ions, as well as mechanical, physical and chemical causes frequently act together. A low porosity and low permeability of concrete to penetration of moisture and gases are the first lines of defence against several deterioration mechanisms. One of...


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Fundação para a Ciência e a Tecnologia Universidade do Minho   Governo Português Ministério da Educação e Ciência Programa Operacional da Sociedade do Conhecimento União Europeia