Geometric improvement of the existing bagacina (lapilli) concrete masonry base unit and development of a new masonry system composed by accessory units for the construction in the Azores islands

The Azores archipelago is a small and remote region with low population levels where the issues of sustainability and autonomy have always been important and present significant economic consequences. Currently, the construction industry uses many imported products; however, masonry products are alm...

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Autores principales:	LEITE,L, SOUSA,H
Lenguaje:	English
Publicado:	Escuela de Construcción Civil, Pontificia Universidad Católica de Chile 2013
Materias:	Light-weight concrete blocks lapilli Azores
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-915X2013000100007
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spelling	oai:scielo:S0718-915X20130001000072013-11-20Geometric improvement of the existing bagacina (lapilli) concrete masonry base unit and development of a new masonry system composed by accessory units for the construction in the Azores islandsLEITE,LSOUSA,H Light-weight concrete blocks lapilli Azores The Azores archipelago is a small and remote region with low population levels where the issues of sustainability and autonomy have always been important and present significant economic consequences. Currently, the construction industry uses many imported products; however, masonry products are almost exclusively provided by local industries. For its production, masonry uses a natural volcanic scoria -lapilli, locally known as bagacina-as an aggregate, though not in an optimized way. The goal of our study was to improve the existing masonry base unit through geometric changes and to design a new masonry system, comprising accessory units shaped to provide specific wall functions, the constraints of which derived from specific island features, from the traditional building process and from the more recent performance requirements in order to obtain an inclusive system. We concluded that by adopting a different geometric shaping for the bagacina concrete base unit it would ensure greater sustainability. This sustainability comes from the improved use of a local resource and from the potential consequences of this improvement, such as the possibility of reducing the use of imported products like wall thermal insulation materials. Further needs of development to improve the bagacina concrete masonry are also identified.info:eu-repo/semantics/openAccessEscuela de Construcción Civil, Pontificia Universidad Católica de ChileRevista de la construcción v.12 n.1 20132013-04-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-915X2013000100007en10.4067/S0718-915X2013000100007
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Light-weight concrete blocks lapilli Azores
spellingShingle	Light-weight concrete blocks lapilli Azores LEITE,L SOUSA,H Geometric improvement of the existing bagacina (lapilli) concrete masonry base unit and development of a new masonry system composed by accessory units for the construction in the Azores islands
description	The Azores archipelago is a small and remote region with low population levels where the issues of sustainability and autonomy have always been important and present significant economic consequences. Currently, the construction industry uses many imported products; however, masonry products are almost exclusively provided by local industries. For its production, masonry uses a natural volcanic scoria -lapilli, locally known as bagacina-as an aggregate, though not in an optimized way. The goal of our study was to improve the existing masonry base unit through geometric changes and to design a new masonry system, comprising accessory units shaped to provide specific wall functions, the constraints of which derived from specific island features, from the traditional building process and from the more recent performance requirements in order to obtain an inclusive system. We concluded that by adopting a different geometric shaping for the bagacina concrete base unit it would ensure greater sustainability. This sustainability comes from the improved use of a local resource and from the potential consequences of this improvement, such as the possibility of reducing the use of imported products like wall thermal insulation materials. Further needs of development to improve the bagacina concrete masonry are also identified.
author	LEITE,L SOUSA,H
author_facet	LEITE,L SOUSA,H
author_sort	LEITE,L
title	Geometric improvement of the existing bagacina (lapilli) concrete masonry base unit and development of a new masonry system composed by accessory units for the construction in the Azores islands
title_short	Geometric improvement of the existing bagacina (lapilli) concrete masonry base unit and development of a new masonry system composed by accessory units for the construction in the Azores islands
title_full	Geometric improvement of the existing bagacina (lapilli) concrete masonry base unit and development of a new masonry system composed by accessory units for the construction in the Azores islands
title_fullStr	Geometric improvement of the existing bagacina (lapilli) concrete masonry base unit and development of a new masonry system composed by accessory units for the construction in the Azores islands
title_full_unstemmed	Geometric improvement of the existing bagacina (lapilli) concrete masonry base unit and development of a new masonry system composed by accessory units for the construction in the Azores islands
title_sort	geometric improvement of the existing bagacina (lapilli) concrete masonry base unit and development of a new masonry system composed by accessory units for the construction in the azores islands
publisher	Escuela de Construcción Civil, Pontificia Universidad Católica de Chile
publishDate	2013
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-915X2013000100007
work_keys_str_mv	AT leitel geometricimprovementoftheexistingbagacinalapilliconcretemasonrybaseunitanddevelopmentofanewmasonrysystemcomposedbyaccessoryunitsfortheconstructionintheazoresislands AT sousah geometricimprovementoftheexistingbagacinalapilliconcretemasonrybaseunitanddevelopmentofanewmasonrysystemcomposedbyaccessoryunitsfortheconstructionintheazoresislands
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Geometric improvement of the existing bagacina (lapilli) concrete masonry base unit and development of a new masonry system composed by accessory units for the construction in the Azores islands

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