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Author |
Antico, F.C.; Wiener, M.J.; Araya-Letelier, G.; Retamal, R.G. |
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Title |
Eco-bricks: a sustainable substitute for construction materials |
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Year |
2017 |
Publication |
Revista De La Construccion |
Abbreviated Journal |
Rev. Constr. |
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Volume |
16 |
Issue |
3 |
Pages |
518-526 |
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Keywords |
Eco-bricks; inorganic solid waste valorization; physical characterization; elastic modulus; nonstructural materials |
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Abstract |
Eco-bricks, polyethylene terephthalate (PET) bottles filled with mixed inorganic waste, have become a low cost construction material and a valid recycling method to reduce waste disposal in regions where industrial recycling is not yet available. Because Eco-bricks are filled with mixed recovered materials, potential recycling of its constituents is difficult at the end of its life. This study proposes considering Eco-bricks filled with a single inorganic waste material to work as a time capsule, with potential for recovering the filling material when other ways of waste valorization are available within those communities that currently have no better recycling options. This paper develops an experimental characterization of density, filler content (by volume), thermal shrinkage, elastic modulus and deformation recovery capacity using four different filler materials: 1) PET; 2) paper & cardboard; 3) tetrapack; and 4) metal. Overall, Eco-brick's density, thermal shrinkage and elastic modulus are dependent on the filler content. Density and elastic modulus of the proposed Eco-bricks are similar to values of medium-high density expanded polystyrene (EPS) used in nonstructural construction, reason why we suggest that these Eco-bricks might be a sustainable alternative to EPS or other nonstructural construction materials. |
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Address |
[Antico, Federico C.; Gonzalez Retamal, Raul] Univ Adolfo Ibanez, Fac Ingn & Ciencias, Padre Hurtado 750, Vina Del Mar, Chile, Email: federico.antico@uai.cl; |
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Publisher |
Pontificia Univ Catolica Chile, Escuela Construccion Civil |
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English |
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ISSN |
0718-915x |
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Notes |
WOS:000418898900016 |
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Call Number |
UAI @ eduardo.moreno @ |
Serial |
788 |
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Author |
Cataldo-Born, M.; Araya-Letelier, G.; Pabon, C. |
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Title |
Obstacles and motivations for earthbag social housing in Chile: energy, environment, economic and codes implications |
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Year |
2016 |
Publication |
Revista De La Construccion |
Abbreviated Journal |
Rev. Constr. |
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Volume |
15 |
Issue |
3 |
Pages |
17-26 |
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Keywords |
Earthbag buildings; chilean social housing; environmental performance; economic performance; building code |
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Abstract |
Chile presents a social housing deficit that needs to be addressed with solutions that increase habitability and environmental benefits. This paper addresses the benefits of implementing earthbag buildings as an option to mitigate the existing social housing deficit in Chile. A literature review presents details on the use of earthbag buildings around the world, and motivations and obstacles for implementing earthbag buildings in Chile. In particular, a case study was simulated to compare an earthbag social house to a reinforced brick masonry social house in terms of environmental and economic performances such as CO2 emissions, energy and costs. It is concluded that both alternatives generate similar CO2 emissions, but the earthbag social house can save up to 20% of energy during its life cycle. In economic terms, the earthbag social house generates savings of 50% and 38% for initial investment and life cycle cost, respectively, compared to the reinforced brick masonry social house. The implementation of earthbag social housing projects would be encouraged by the development of a Chilean building code for earthbag design that provides guidance on the safe use of this technique in a seismic country. |
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Address |
[Cataldo-Born, Matias] Univ Adolfo Ibanez, Fac Ingn & Ciencias, Santiago, Chile, Email: matias.cataldo2007@alumnos.uai.cl; |
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Publisher |
Pontificia Univ Catolica Chile, Escuela Construccion Civil |
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Language |
English |
Summary Language |
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Original Title |
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Abbreviated Series Title |
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Series Volume |
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Edition |
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ISSN |
0718-915x |
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Notes |
WOS:000395667400002 |
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Call Number |
UAI @ eduardo.moreno @ |
Serial |
719 |
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