Abstract
The issues of this article are subject of the research project Timber-Glass Composite Facades | Behavior in Case of Fire | Fire Protection Concepts which is performed by Brandrat ZT GmbH in cooperation with the Department of Architectural Sciences and Timber Engineering, Vienna University of Technology. It is part of the research program Urban Solutions and is funded by the Vienna Business Agency. Start of the project took place in October 2014 and it should be completed in March 2017. The project management is carried out by the author of this paper. The main objectives can be summarized as follows: Growth and densification in urban areas require the development of intelligent and resource-efficient building systems for Smart Cities of the future. By using timber-glass composites (TGC) the primary energy demand of buildings can be reduced substantially. This research project examines the feasibility of applications of this new technology in multi-story and high-rise buildings. Critical aspects concerning fire protection such as flammability of timber elements, fire spread and failure of facade elements with bracing capacity will be analyzed. Different strategies will be developed in case studies and validated by structural analysis. Large scale mock ups of TGC facade elements will be checked on their suitability in fire tests. The findings of this research will lead to innovative fire safety concepts for building systems with TGC facades. Compliance with the high safety standards for multi-story buildings in urban areas like Vienna is one of the main objectives of this work. The adaptation of these fire safety concepts to the national standards of the neighboring countries will be continued subsequently. The gained knowledge should lead to further cooperation with companies for serial productions with TGC technology. © Owned by the authors, published by EDP Sciences, 2016 Language: en
Highlights
1.1 Basic principles The specific design feature of timber-glass composites (TGC) elements is a continuous adhesive bonding between the glass pane and an adapter frame made of timber
To examine the behaviour of TGC elements when being exposed to different temperature loads a series of small scale timber-glass samples with different adhesives were tested at the beginning of the research project
As temperature loads above 80 ◦C are likely in the façade area even without exposure to fire, TGC applications with the investigated acrylic adhesive are not appropriate and will not be investigated in the course of this project
Summary
1.1 Basic principles The specific design feature of TGC elements is a continuous adhesive bonding between the glass pane and an adapter frame made of timber. Thereby other bracing elements like walls or crossings in the façade level can. 1.3 Specific risks concerning fire protection issues and TGC façades In order to implement TGC applications in multi-story and high-rise buildings, both European and national laws, standards and guidelines must be considered as an assessment basis. Failure of TGC façade elements with bracing capacity in case of fire
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