Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.21/4782
Título: Unstabilized rammed Earth: characterization of material collected from old constructions in South Portugal and comparison to normative requirements
Autor: Gomes, Idália da Silva
Gonçalves, Teresa Diaz
Faria, Paulina
Palavras-chave: Requirements
Unstabilized Rammed Earth
Earth Construction
Normative Documents
Soil Properties
Data: 4-Mar-2014
Editora: Taylor & Francis INC
Citação: GOMES, Maria Idália da Silva; GONÇALVES, Teresa Diaz; FARIA, Paulina – Unstabilized rammed earth: characterization of material collected from old constructions in south Portugal and comparison to normative requirements. International Journal of Architecture Heritage. ISSN: 1558-3058. Vol. 8, nr. 2 (2014) p. 185-212.
Resumo: Unstabilized rammed earth is a recyclable, economical, and eco-friendly building material, used in the past and still applied today. Traditionally, its use was based on a long empirical knowledge of the local materials. Because this knowledge was mostly lost or is no longer sufficient, in many countries normative documents have been produced to allow the assessment of rammed earth soils. With the aim of contributing for a refining of these normative requirements, this article presents a research work that included: (i) collection of Unstabilized rammed earth samples from six constructions in Portugal; (ii) a literature survey of normative and complementary documents to identify the most mentioned key-properties, the test procedures and the corresponding threshold limits; and (iii) a discussion of the test procedures and of the thresholds limits in the light of the experimental results. The analyzed properties are the particle size distribution, maximum particle size, plasticity, compaction, linear shrinkage, organic content, and salt content. The work highlights the advantages of taking into account the characteristics of existing constructions as a basis for the establishment and further refining of consistent threshold values. In particular, it shows that it is essential to adjust the requirements to the specificities of local materials.
Peer review: yes
URI: http://hdl.handle.net/10400.21/4782
DOI: 10.1080/15583058.2012.683133
ISSN: 1558-3058
1558-3066
Aparece nas colecções:ISEL - Eng. Civil - Artigos

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