期刊
APPLIED ENERGY
卷 175, 期 -, 页码 180-188出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.apenergy.2016.05.010
关键词
Sustainable building; Embodied energy; Thermal performance; Rammed earth; Wooden insulation
资金
- Spanish government [ULLE10-4E-1305, ENE2015-64117-C5-1-R]
- European Commission Seventh Framework Programme (FP) [PIRSES-GA-2013-610692]
- European Union's Horizon 2020 research and innovation programme [657466]
- Ministerio de Economia y Competitividad de Espana [FJCI-2014-19940]
Buildings should be understood as a process that consumes energy in all their phases (design, construction, use and end-of-life) and, more specifically, the building envelope is clearly involved in all, of them. For this reason, the International Energy Agency defines in its latest publication the improvement of building envelopes as one of the key points to reduce the energy consumption in buildings. In the present study, two sustainable construction systems based on rammed earth walls are adapted to modern requirements to be thermally tested and compared against three Mediterranean conventional systems under summer conditions. The experimentation was done by performing several. experiments in free floating and controlled temperature conditions at real scale in five cubicle-shape buildings with inner dimensions 2.4 x 2.4 x 2.4 m. The purpose of this study is to demonstrate that more sustainable construction systems can be used instead of conventional ones, with higher embodied energy, and achieve similar thermal response. Results show that the reduction of rammed earth wall thickness strongly penalizes its thermal behavior. However, similar thermal response than conventional systems is reached when 6 cm of wooden insulation panels are added in the outer face of the cubicle-shape building. (C) 2016 Elsevier Ltd. All rights reserved.
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