Modelling of multi-storey cross-laminated timber buildings for vibration serviceability

Kurent, Blaž (author), Friedman, Noemi (author), Brank, Boštjan (author)

In this study, the vibration serviceability of multi-storey timber buildings is addressed. The core of this study pertains to the preparation of a comprehensive finite element model to predict modal properties for an accurate vibration serviceability checking. To that end, findings obtained from studying three multi-storey timber buildings are summarized and discussed. Two of the buildings (of seven and eight storeys) consist entirely of cross-laminated timber (CLT), while the third is a five-storey hybrid CLT-concrete building. Thanks to the detailed finite element models and modal testing results, one has the capability to conduct sensitivity analyses, classical and Bayesian model updating, and uncertainty quantifications. With these methodologies, influential modelling parameters as well as the sources of modelling error were identified. This allowed for conclusions to be drawn about the in-plane shear stiffness of the constructed walls (whose higher v alue causes the natural frequencies to increase by up to 25%), the soil deformability (which may cause the natural frequencies to drop by up to 20%), and the perpendicular-to-the-grain deformation of floor slabs (which may lead to an overestimation of a fundamental frequency by up to 8%).

• Language: English
• Keywords: civil engineering, timber buildings, cross-laminated timber, modal testing, modal properties, finite element modelling, model updating, vibration serviceability
• Work type: Article
• Typology: 1.01 - Original Scientific Article
• Organization: FGG - Faculty of Civil and Geodetic Engineering
• Publication status: Published
• Publication version: Version of Record
• Year: 2024
• Number of pages: Str. 1-21
• Numbering: Št. 3, art. 689, letn. 14
• PID: 20.500.12556/RUL-154868
• UDC: 699.8
• ISSN on article: 2075-5309
• DOI: 10.3390/buildings14030689
• COBISS.SI-ID: 187931139
• Publication date in RUL: 06.03.2024

Record is a part of a journal

• Title: Buildings
• Shortened title: Buildings
• Publisher: Molecular Diversity Preservation International
• ISSN: 2075-5309
• COBISS.SI-ID: 1024478292

Licences

• License: CC BY 4.0, Creative Commons Attribution 4.0 International
• Link: http://creativecommons.org/licenses/by/4.0/
• Description: This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.

Secondary language

• Language: Slovenian
• Keywords: gradbeništvo, lesena stavba, križnolepljene plošče, modalno testiranje, modalne lastnosti, modeliranje s končnimi elementi, posodabljanje modela, vibracijska uporabnost