AIVC - Air Infiltration and Ventilation Centre

Search form


You are here

Home  |  thermal comfort

Indoor conditions in ultralightweight structures : a case study

Marletta L., Evola G., Sicurella F., 2004
building design | thermal comfort | indoor environment | retrofit | school
Bibliographic info: 25th AIVC Conference "Ventilation and retrofitting", Prague, Czech Republic, 15-17 September 2004
Languages: English

Steel truss structures, covered with a PVC thin sheet of matt light colour, were used in recent time for the construction of three new classrooms in the University of Catania (southern Italy). Although the construction was fast and cheap, the classrooms proved to be uncomfortable in relation to thermal and luminous environment. A first analysis revealed that the drawbacks were caused by the ultra-lightweight of the structure as a whole, resulting in thermal discomfort. Furthermore, the matt light colour gave raise to an excessively uniform luminous environment, with occurrences in discomfort glare. To correct the architectural errors, a simple technical solution was adopted in one of these classrooms. Before and after the intervention, the thermal and luminous parameters were recorded. In addition the thermal sensations experienced by the students were collected by a questionnaire. The comparison of the two set of data shows that the new design resulted in beneficial effects. Final remarks are made about the relationship between ultra-lightweight structures and local climate.

Related publications

This report summarizes the work of the initial working phase of IEA ECB Annex 62 Ventil
Maria Kolokotroni, Per Heiselberg, Lorenzo Pagliano, Jie Han, Regina Bokel, Peter Holzer, Annamaria Belleri, Denmark
This summary report presents insights on recommendations into how ventilative cooling i
Christoffer Plesner, Flourentzos Flourentzou, Guoqiang Zhang, Hilde Breesch, Per Heiselberg, Michal Pomianowski, Peter Holzer, Maria Kolokotroni, Annamaria Belleri, Denmark
Overheating in buildings is an emerging challenge at the design stage and during operat
Peter Holzer, Theofanis Psomas, Denmark