Comparative analysis of vibroacoustic measurements in a CLT building mock-up

Construction technology based on elements in Cross Laminated Timber (CLT) has assumed considerable importance in the context of wooden buildings and is now widely consolidated. This construction system has been extensively studied since its first appearance in the mid-1990s. The production of CLT elements is at an industrial level, and the manufacturing and fixing techniques are now standardised, as are the structural calculation methods and the prediction models for evaluating achievable performances. From an architectural point of view, the current trend is to use CLT in buildings that increasingly go beyond the traditional patterns of wooden buildings to move towards typologies that have previously been the prerogative of other construction systems, with tall buildings and considerable spans. Therefore, the need arises to deepen the knowledge of the acoustic behaviour of the joints between CLT elements in cases not currently considered in the technical standards. This work shows the studies carried out on a CLT building mock-up made with twin structures and subjected to structural, seismic and acoustic tests.