Rothoblaas - Soundproofing Solutions Page 99
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INTEGRATED DESIGN - FLANKSOUND PROJECT Rothoblaas has financed research projects aimed at measuring the Kij vibration reduction index for a variety of CLT panel joints, with the dual objective of providing specific experimental data for acoustic design and contributing to the development of analytical calculation methods. • • • • Influence of CLT type and thickness Influence of type and number of screws Influence of type and number of angle brackets and connectors Influence of XYLOFON Kij for 15 different types of joint FIRE Awareness of fire design is increasingly growing. Over the years, Rothoblaas has carried out numerous tests to increase its know-how on this subject and will continue to do so in the future. Characterisation tests for EI behaviour were carried out at the ETH Zürich and the Institute of Structural Engineering (IBK) & Swiss Timber Solutions AG. After 60 minutes of exposure to fire, the temperature of the unexposed surface remained about room temperature, showing no colour changes. Rothoblaas was also a partner in the research project "Fire Safe implementation of visible mass timber in tall buildings", sponsored by RISE - Research Institutes of Sweden. This project made it possible to study the compartmentalisation of timber buildings and to analyse the limits of structures with exposed CLT. experimental test EI 60 More information on RISE Report 2021:40. STATICS AND ACOUSTICS Rothoblaas also subsidised research campaigns aimed at characterising the mechanical behaviour of connections incorporating the resilient XYLOFON profile. This was in cooperation with the Universities of Bologna, Innsbruck and Graz. Thanks to these studies, it was possible to optimise the thickness and material of XYLOFON to ensure a balance between static and acoustic performance. • • • • • Influence of XYLOFON with different screw diameters Influence of XYLOFON in nail connections Testing of timber-to-timber joints Tests on timber-to-steel joints Influence of friction in shear connections over 100 specimens tested Use the QR-code to download the complete manual! www.rothoblaas.com STRUCTURAL NOISE | XYLOFON | 101
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